Computer Aided Surgery (CAS) System for Stereotactic Neurosurgery. - Yoshitaka Masutani; Ken Masamune; Makoto Suzuki; Takeyoshi Dohi; Hiroshi Iseki; Kintomo Takakura (CVRMed, 1995)

Robots for stereotactic neurosurgery. - Ken Masamune; Marcel Sonderegger; Hiroshi Iseki; Kintomo Takakura; Makoto Suzuki; Takeyoshi Dohi (Adv. Robotics, 1995)

Region-Growing Based Feature Extraction Algorithm for Tree-Like Objects. - Yoshitaka Masutani; Ken Masamune; Takeyoshi Dohi (VBC, 1996)

A New Laparoscope Manipulator with an Optical Zoom. - Etsuko Kobayashi; Ken Masamune; Takeyoshi Dohi; Daijo Hashimoto (MICCAI, 1998)

A Newly Developed Stereotactic Robot with Detachable Drive for Neurosurgery. - Ken Masamune; L. H. Ji; Makoto Suzuki; Takeyoshi Dohi; Hiroshi Iseki; Kintomo Takakura (MICCAI, 1998)

Development of a robot arm controlled by force sensors as a walking aid for elderly. - Makoto Suzuki; Ken Masamune; Lin-Jong Ji; Takeyoshi Dohi; Hideo Yano (Robotica, 1998)

A Wide-Angle View Endoscope System Using Wedge Prisms. - Etsuko Kobayashi; Ken Masamune; Ichiro Sakuma; Takeyoshi Dohi (MICCAI, 2000)

Three-Dimensional Slice Image Overlay System with Accurate Depth Perception for Surgery. - Ken Masamune; Yoshitaka Masutani; Susumu Nakajima; Ichiro Sakuma; Takeyoshi Dohi; Hiroshi Iseki; Kintomo Takakura (MICCAI, 2000)

Surgical Navigation System with Intuitive Three-Dimensional Display. - Susumu Nakajima; Sumihisa Orita; Ken Masamune; Ichiro Sakuma; Takeyoshi Dohi; Kozo Nakamura (MICCAI, 2000)

Multi-DOF Forceps Manipulator System for Laparoscopic Surgery. - Ryoichi Nakamura; Etsuko Kobayashi; Ken Masamune; Ichiro Sakuma; Takeyoshi Dohi; Naoki Yahagi; Takayuki Tsuji; Daijo Hashimoto; Mitsuo Shimada; Makoto Hashizume (MICCAI, 2000)

MRI compatible manipulator: image distortion estimation and correction method. - Ken Masamune; Takafumi Inagaki; Nobuharu Takai; Ichiro Sakuma; Takeyoshi Dohi (CARS, 2001)

An Image Overlay System with Enhanced Reality for Percutaneous Therapy Performed Inside CT Scanner. - Ken Masamune; Gabor Fichtinger; Anton Deguet; Daisuke Matsuka; Russell H. Taylor (MICCAI (2), 2002)

Micro-grasping Forceps Manipulator for MR-Guided Neurosurgery. - Nobuhiko Miyata; Etsuko Kobayashi; Daeyoung Kim 002; Ken Masamune; Ichiro Sakuma; Naoki Yahagi; Takayuki Tsuji; Hiroshi Inada; Takeyoshi Dohi; Hiroshi Iseki; Kintomo Takakura (MICCAI (1), 2002)

Needle Insertion in CT Scanner with Image Overlay - Cadaver Studies. - Gabor Fichtinger; Anton Deguet; Ken Masamune; Emese Balogh; Gregory S. Fischer; Hervé Mathieu; Russell H. Taylor; Laura M. Fayad; S. James Zinreich (MICCAI (2), 2004)

MRI Compatible Modular Designed Robot for Interventional Navigation - Prototype Development and Evaluation. - Hiroaki Naganou; Hiroshi Iseki; Ken Masamune (MICCAI (2), 2004)

Image overlay guidance for needle insertion in CT scanner. - Gabor Fichtinger; Anton Deguet; Ken Masamune; Emese Balogh; Gregory S. Fischer; Hervé Mathieu; Russell H. Taylor; S. James Zinreich; Laura M. Fayad (IEEE Trans. Biomed. Eng., 2005)

Scrub nurse robot system-intraoperative motion analysis of a scrub nurse and timed-automata-based model for surgery. - Fujio Miyawaki; Ken Masamune; Satoshi Suzuki; Kitaro Yoshimitsu; Juri Vain (IEEE Trans. Ind. Electron., 2005)

Pulsative Flow Segmentation in MRA Image Series by AR Modeling and EM Algorithm. - Ali Gooya; Hongen Liao; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi (MIAR, 2006)

Fetus Support Manipulator with Flexible Balloon-Based Stabilizer for Endoscopic Intrauterine Surgery. - Hongen Liao; Hirokazu Suzuki; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi; Toshio Chiba (MICCAI (1), 2006)

New 4-D Imaging for Real-Time Intraoperative MRI: Adaptive 4-D Scan. - Junichi Tokuda; Shigehiro Morikawa; Hasnine A. Haque; Tetsuji Tsukamoto; Kiyoshi Matsumiya; Hongen Liao; Ken Masamune; Takeyoshi Dohi (MICCAI (1), 2006)

Rigid-Flexible Outer Sheath Model Using Slider Linkage Locking Mechanism and Air Pressure for Endoscopic Surgery. - Akihiko Yagi; Kiyoshi Matsumiya; Ken Masamune; Hongen Liao; Takeyoshi Dohi (MICCAI (1), 2006)

Object based image rendering and synthesis for computer generated integral videography. - Hongen Liao; Yosuke Ito; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi (SIGGRAPH Research Posters, 2006)

Effective Statistical Edge Integration Using a Flux Maximizing Scheme for Volumetric Vascular Segmentation in MRA. - Ali Gooya; Hongen Liao; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi (IPMI, 2007)

Surgical manipulator with linkage mechanism for anterior cruciate ligament reconstruction. - Hongen Liao; Kazuhisa Yoshimura; Tomoki Utsugida; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi (IROS, 2007)

Balloon-based manipulator with multiple linkages for intrauterine surgery. - Noriaki Yamanaka; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi; Hiromasa Yamashita; Toshio Chiba; Hongen Liao (IROS, 2007)

Development and evaluation of the second version of scrub nurse robot (SNR) for endoscopic and laparoscopic surgery. - Kitaro Yoshimitsu; Fujio Miyawaki; Teruyoshi Sadahiro; Kentaro Ohnuma; Yasuhiro Fukui; Daijo Hashimoto; Ken Masamune (IROS, 2007)

A Shape Induced Anisotropic Flowfor Volumetric Vascular Segmentation in MRA. - Ali Gooya; Hongen Liao; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi (ISBI, 2007)

Physically Accurate B-Spline Based Non-Rigid Registration Using Variable Spring Model. - Nicholas Herlambang; Hongen Liao; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi (ISBI, 2007)

Laparoscopic skill measurement with COP to realize a HAM Scrub Nurse Robot system. - Teruyoshi Sadahiro; Mitsumasa Hamazaki; Fujio Miyawaki; Kitaro Yoshimitsu; Ken Masamune (SMC, 2007)

Real-Time Autostereoscopic Visualization of Registration-Generated 4D MR Image of Beating Heart. - Nicholas Herlambang; Hongen Liao; Kiyoshi Matsumiya; Ken Masamune; Takeyoshi Dohi (MIAR, 2008)

Fusion of Laser Guidance and 3-D Autostereoscopic Image Overlay for Precision-Guided Surgery. - Hongen Liao; Hirotaka Ishihara; Huy Hoang Tran; Ken Masamune; Ichiro Sakuma; Takeyoshi Dohi (MIAR, 2008)

Non-metal Slice Image Overlay Display System Used Inside the Open Type MRI. - Ken Masamune; Ikuma Sato; Hongen Liao; Takeyoshi Dohi (MIAR, 2008)

Surgical Manipulator with Balloon for Stabilizing Fetus in Utero under Ultrasound Guidance. - Noriaki Yamanaka; Hiromasa Yamashita; Kiyoshi Matsumiya; Hongen Liao; Ken Masamune; Toshio Chiba; Takeyoshi Dohi (MIAR, 2008)

MRI-Compatible Rigid and Flexible Outer Sheath Device with Pneumatic Locking Mechanism for Minimally Invasive Surgery. - Siyang Zuo; Noriaki Yamanaka; Ikuma Sato; Ken Masamune; Hongen Liao; Kiyoshi Matsumiya; Takeyoshi Dohi (MIAR, 2008)

A Variational Method for Geometric Regularization of Vascular Segmentation in Medical Images. - Ali Gooya; Hongen Liao; Kiyoshi Matsumiya; Ken Masamune; Yoshitaka Masutani; Takeyoshi Dohi (IEEE Trans. Image Process., 2008)

Novel Endoscope System with Plasma Flushing for Off-Pump Cardiac Surgery. - Ken Masamune; Tetsuya Horiuchi; Masahiro Mizutani; Hiromasa Yamashita; Hiroyuki Tsukihara; Noboru Motomura; Shin-ichi Takamoto; Hongen Liao; Takeyoshi Dohi (MICCAI (1), 2009)

A Coaxial Laser Endoscope with Arbitrary Spots in Endoscopic View for Fetal Surgery. - Noriaki Yamanaka; Hiromasa Yamashita; Ken Masamune; Hongen Liao; Toshio Chiba; Takeyoshi Dohi (MICCAI (1), 2009)

Nonmagnetic Rigid and Flexible Outer Sheath with Pneumatic Interlocking Mechanism for Minimally Invasive Surgical Approach. - Hiromasa Yamashita; Siyang Zuo; Ken Masamune; Hongen Liao; Takeyoshi Dohi (MICCAI (1), 2009)

Three-dimensional auto-stereoscopic animated image with a long viewing distance using high-precision image correction. - Takehito Teraguchi; Hiromasa Yamashita; Ken Masamune; Takeyoshi Dohi; Hongen Liao (SIGGRAPH Posters, 2009)

Interactive 3D Navigation System for Image-guided Surgery. - Huy Hoang Tran; Kiyoshi Matsumiya; Ken Masamune; Ichiro Sakuma; Takeyoshi Dohi; Hongen Liao (Int. J. Virtual Real., 2009)

Precision-guided surgical navigation system using laser guidance and 3D autostereoscopic image overlay. - Hongen Liao; Hirotaka Ishihara; Huy Hoang Tran; Ken Masamune; Ichiro Sakuma; Takeyoshi Dohi (Comput. Medical Imaging Graph., 2010)

Clipping Device with a Clear Liquid-Flushing Endoscope Equipping Wide View Coaxial Nozzle for Edge-to-Edge Repair Surgery without Heart-Lung Machine. - Tetsuya Horiuchi; Ken Masamune; Hiroyuki Tsukihara; Noboru Motomura; Kenta Kuwana; Takeyoshi Dohi (ACCAS, 2011)

Adaptive Rendering Method for Low Resolution Auto-stereoscopic 3-D Medical Images. - Takehito Teraguchi; Kenta Kuwana; Ken Masamune; Takeyoshi Dohi; Susumu Nakajima; Hongen Liao (ACCAS, 2011)

Polarizing Beam Splitter Endoscope for Simultaneously Observing Front and Lateral View. - Tomoya Tsuruyama; Noriaki Yamanaka; Kenta Kuwana; Ken Masamune; Keri Kim; Takeyoshi Dohi (ACCAS, 2011)

A Laser Steering Endoscope with High Laser Transmission Efficiency. - Noriaki Yamanaka; Ken Masamune; Kenta Kuwana; Hiromasa Yamashita; Toshio Chiba; Takeyoshi Dohi (ACCAS, 2011)

Nonmetallic Guide Sheath with Negative Pressure Shapelocking Mechanism for Minimally Invasive Image-Guided Surgery. - Siyang Zuo; Ken Masamune; Kenta Kuwana; Takeyoshi Dohi (ACCAS, 2011)

Augmented Reality System for Oral Surgery Using 3D Auto Stereoscopic Visualization. - Huy Hoang Tran; Hideyuki Suenaga; Kenta Kuwana; Ken Masamune; Takeyoshi Dohi; Susumu Nakajima; Hongen Liao (MICCAI (1), 2011)

Nonmetallic Rigid-Flexible Outer Sheath with Pneumatic Shapelocking Mechanism and Double Curvature Structure. - Siyang Zuo; Ken Masamune; Kenta Kuwana; Morimasa Tomikawa; Satoshi Ieiri; Takeshi Ohdaira; Makoto Hashizume; Takeyoshi Dohi (MICCAI (1), 2011)

An image restoration method for extracting features from three-dimensional auto-stereoscopic integral photography images. - Huy Hoang Tran; Kenta Kuwana; Hongen Liao; Ken Masamune; Takeyoshi Dohi; Susumu Nakajima (SIGGRAPH Posters, 2011)

Heart motion measurement with three dimensional sonomicrometry and acceleration sensing. - Tetsuya Horiuchi; Eser Erdem Tuna; Ken Masamune; Murat Cenk Cavusoglu (IROS, 2012)

Developing Essential Rigid-Flexible Outer Sheath to Enable Novel Multi-piercing Surgery. - Siyang Zuo; Takeshi Ohdaira; Kenta Kuwana; Yoshihiro Nagao; Satoshi Ieiri; Makoto Hashizume; Takeyoshi Dohi; Ken Masamune (MICCAI (1), 2012)

Advances in Haptics, Tactile Sensing, and Manipulation for Robot-Assisted Minimally Invasive Surgery, Noninvasive Surgery, and Diagnosis. - Abbi Hamed; Sai Chun Tang; Hongliang Ren 001; Alexander Squires; Chris Payne; Ken Masamune; Guoyi Tang; Javad Mohammadpour; Zion Tsz Ho Tse (J. Robotics, 2012)

MR-Safe Pneumatic Rotation Stepping Actuator. - Hiroyuki Sajima; Hiroki Kamiuchi; Kenta Kuwana; Takeyoshi Dohi; Ken Masamune (J. Robotics Mechatronics, 2012)

A grasping forceps with a triaxial MEMS tactile sensor for quantification of stresses on organs. - Kenta Kuwana; A. Nakai; Ken Masamune; Takeyoshi Dohi (EMBC, 2013)

A beam-splitter-type 3-D endoscope for front view and front-diagonal view images. - Hiroki Kamiuchi; Ken Masamune; Kenta Kuwana; Takeyoshi Dohi; Keri Kim; Hiromasa Yamashita; Toshio Chiba (Int. J. Comput. Assist. Radiol. Surg., 2013)

Robotic Device for Acquisition of Wide and High Resolution MRI Image Using a Small RF Coil. - Kohei Miki; Ken Masamune (IPCAI, 2014)

Variable stiffness outer sheath with "Dragon skin" structure and negative pneumatic shape-locking mechanism. - Siyang Zuo; Kazuo Iijima; Takahiro Tokumiya; Ken Masamune (Int. J. Comput. Assist. Radiol. Surg., 2014)

Vision-based markerless registration using stereo vision and an augmented reality surgical navigation system: a pilot study. - Hideyuki Suenaga; Huy Hoang Tran; Hongen Liao; Ken Masamune; Takeyoshi Dohi; Kazuto Hoshi; Tsuyoshi Takato (BMC Medical Imaging, 2015)

High-resolution small field-of-view magnetic resonance image acquisition system using a small planar coil and a pneumatic manipulator in an open MRI scanner. - Kohei Miki; Ken Masamune (Int. J. Comput. Assist. Radiol. Surg., 2015)

Clinical Trial of Information Acquisition System for Surgical Instruments in Digital Operation Room. - Kaori Kusuda; Kazuhiko Yamashita; Yoshitomo Ito; Kiyohito Tanaka; Ken Masamune; Yoshihiro Muragaki (OR 2.0/CARE/CLIP/ISIC@MICCAI, 2018)

Detecting and Tracking Surgical Tools for Recognizing Phases of the Awake Brain Tumor Removal Surgery. - Hiroki Fujie; Keiju Hirata; Takahiro Horigome; Hiroshi Nagahashi; Jun Ohya; Manabu Tamura; Ken Masamune; Yoshihiro Muragaki (ICPRAM, 2019)

Surgical Process Identification System using Machine Learning in Awake Surgery for Brain Tumor. - Tomohiro Nagai; Ikuma Sato; Yuichi Fujino; Manabu Tamura; Yoshihiro Muragaki; Ken Masamune (LifeTech, 2019)

Presenting a Simple Method of Brain Shift Estimation for Neuronavigations and Considering its Practicality. - XiaoShuai Chen; Ryosuke Shirai; Ken Masamune; Manabu Tamura; Yoshihiro Muragaki; Atsushi Konno (SII, 2019)

GATOR: connecting integrated operating room solutions based on the IEEE 11073 SDC and ORiN standards. - Johann Berger; Max Rockstroh; Erik Schreiber; Yukishige Yoshida; Jun Okamoto; Ken Masamune; Yoshihiro Muragaki; Thomas Neumuth (Int. J. Comput. Assist. Radiol. Surg., 2019)

Integrated datasets of normalized brain with functional localization using intra-operative electrical stimulation. - Manabu Tamura; Ikuma Sato; Takashi Maruyama; Kazuma Ohshima; Jean-François Mangin; Masayuki Nitta; Taiichi Saito; Hiroyuki Yamada; Shinji Minami; Ken Masamune; Takakazu Kawamata; Hiroshi Iseki; et al. (Int. J. Comput. Assist. Radiol. Surg., 2019)

Developing Thermal Endoscope for Endoscopic Photothermal Therapy for Peritoneal Dissemination. - Mutsuki Ohara; Sohta Sanpei; Chanjin Seo; Jun Ohya; Ken Masamune; Hiroshi Nagahashi; Yuji Morimoto; Manabu Harada (IROS, 2020)

Locally operated assistant manipulators with selectable connection system for robotically assisted laparoscopic solo surgery. - Shohei Fukui; Toshikazu Kawai; Yuji Nishizawa; Atsushi Nishikawa; Tatsuo Nakamura; Noriyasu Iwamoto; Yuki Horise; Ken Masamune (Int. J. Comput. Assist. Radiol. Surg., 2021)

Learning effectiveness of using augmented reality technology in central venous access procedure: an experiment using phantom and head-mounted display. - Kazufumi Suzuki; Satoru Morita 002; Kenji Endo; Takahiro Yamamoto; Shuhei Fujii; Jun Ohya; Ken Masamune; Shuji Sakai (Int. J. Comput. Assist. Radiol. Surg., 2021)

Construction of brain area risk map for decision making using surgical navigation and motor evoked potential monitoring information. - Tomoko Yamaguchi; Atsushi Kuwano; Toshihiko Koyama; Jun Okamoto; Shigeyuki Suzuki; Hideki Okuda; Taiichi Saito; Ken Masamune; Yoshihiro Muragaki (Int. J. Comput. Assist. Radiol. Surg., 2023)

Surgery assistance system for continuous resection of brain tumors-proposal of continuous tumor resection forceps, tumor cell separation, dehydration, and isolation mechanism. - Taro Koguchi; Funika Shimizu; Tomohiro Nagame; Yuka Goto; Hikaru Iwasaki; Akihiko Hanafusa; Motoki Takagi; Shahrol Mohamaddan; Kenichi Nomura; Yoshihiro Muragaki; Hiroshi Iseki; Ken Masamune; et al. (Int. J. Comput. Assist. Radiol. Surg., 2023)

Computerized Classification Method for Molecular Subtypes of Low-Grade Gliomas on Brain MR Images Using Modified ArcFace With Gram-Schmidt Orthogonalization. - Akiyoshi Hizukuri; Daiki Tanaka; Ryohei Nakayama; Kaori Kusuda; Ken Masamune; Yoshihiro Muragaki (IEEE Access, 2024)

Analyzing the image quality using a quantitative index for the robotic ultrasound probe maneuver system. - Woohyeok Choi; Kitaro Yoshimitsu; Etsuko Kobayashi; Ken Masamune; Yoshihiro Muragaki (Adv. Robotics, 2024)

Exploring the potential of service robots in guiding patients and assisting mobility in medical facilities. - Kitaro Yoshimitsu; Yasuto Shiigi; Etsuko Kobayashi; Kenta Kuwana; Kaori Kusuda; Kaoru Hoshide; Yoshihiro Muragaki; Ken Masamune (Adv. Robotics, 2024)

Classification of speech arrests and speech impairments during awake craniotomy: a multi-databases analysis. - Ilias Maoudj; Atsushi Kuwano; Céline Panheleux; Yuichi Kubota; Takakazu Kawamata; Yoshihiro Muragaki; Ken Masamune; Romuald Seizeur; Guillaume Dardenne; Manabu Tamura (Int. J. Comput. Assist. Radiol. Surg., 2025)

Synthesis of the clinical utilities and issues of intraoperative imaging devices in clinical reports: a systematic review and thematic synthesis. - Hiroyuki Suzuki; Yusuke Tsuboko; Manabu Tamura; Ken Masamune; Kiotaka Iwasaki (BMC Medical Informatics Decis. Mak., 2025)