Multi-slider linkage mechanism for endoscopic forceps manipulator. - Hiromasa Yamashita; Daeyoung Kim 002; Nobuhiko Hata; Takeyoshi Dohi (IROS, 2003)

Handheld Laparoscopic Forceps Manipulator Using Multi-slider Linkage Mechanisms. - Hiromasa Yamashita; Nobuhiko Hata; Makoto Hashizume; Takeyoshi Dohi (MICCAI (2), 2004)

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)

Composite-Type Optical Fiberscope for Laser Surgery for Twin-to-Twin Transfusion Syndrome. - Kiyoshi Oka; Akihiro Naganawa; Hiromasa Yamashita; Tetsuya Nakamura; Toshio Chiba (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)

Computer-Aided Delivery of High-Intensity Focused Ultrasound (HIFU) for Creation of an Atrial Septal Defect in Vivo. - Hiromasa Yamashita; Tetsuko Ishii; Akihiko Ishiyama; Noriyoshi Nakayama; Toshinobu Miyoshi; Yoshitaka Miyamoto; Gontaro Kitazumi; Yasumasa Katsuike; Makoto Okazaki; Takashi Azuma; Masayuki Fujisaki; Shin-ichi Takamoto; et al. (MIAR, 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)

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

Ultrasound Image-Guided Mapping of Endoscopic Views on a 3D Placenta Model: A Tracker-Less Approach. - Liangjing Yang; Junchen Wang; Etsuko Kobayashi; Hongen Liao; Ichiro Sakuma; Hiromasa Yamashita; Toshio Chiba (AE-CAI, 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)

Recognizing surgeon's actions during suture operations from video sequences. - Ye Li; Jun Ohya; Toshio Chiba; Rong Xu; Hiromasa Yamashita (Image Processing, 2014)

Real-time Nonlinear Signal Processing Super Resolution of 8K Endoscope Cameras. - Seiichi Gohshi; Chinatsu Mori; Kenkichi Tanioka; Hiromasa Yamashita (ICETE (1), 2019)