Collecting Adaptive Data for Isolated Wireless Sensors with Patrol Nodes in Live E!. - Hiroki Ishizuka; Kenji Sasaki; Satoshi Matsuura; Makoto Kamiya; Hideki Sunahara; Hiroshi Esaki (MDM, 2006)

A Sensed-Point-Oriented Geographic Routing for Camera Networks. - Hiroki Ishizuka; Yoshito Tobe (MDM, 2007)

Live E! Project: Establishment of Infrastructure Sharing Environmental Information. - Satoshi Matsuura; Hiroki Ishizuka; Hideya Ochiai; Shinichi Doi; Shinichi Ishida; Masaya Nakayama; Hiroshi Esaki; Hideki Sunahara (SAINT Workshops, 2007)

TomuDB: multi-resolution queries in heterogeneous sensor networks through overlay network. - Yoh Shiraishi; Niwat Thepvilojanapong; Yosuke Tamura; Tatsuro Endo; Koichi Yamada; Nayuta Ishii; Hiroki Ishizuka; Keisuke Kanai; Yoshito Tobe (SenSys, 2007)

Kitokito: supporting impromptu collaboration in participatory sensing using smart camera phones. - Hiroki Ishizuka; Shun Fukumoto; Tatsuhiro Nishimoto; Ryo Fukuhara; Tatsuya Morita; Keiji Sugo; Niwat Thepvilojanapong; Shin'ichi Konomi; Kaoru Sezaki; Ryosuke Shibasaki; Yoshito Tobe (SenSys, 2010)

Discovering and predicting user routines by differential analysis of social network traces. - Fabio Pianese; Xueli An; Fahim Kawsar; Hiroki Ishizuka (WOWMOM, 2013)

The Effects of ICT Environment on Teachers' Attitudes and Technology Integration in Japan and the U.S. - Kodai Kusano; Sarah Frederiksen; Leanne Jones; Michiko Kobayashi; Yui Mukoyama; Taku Yamagishi; Kengo Sadaki; Hiroki Ishizuka (J. Inf. Technol. Educ. Innov. Pract., 2013)

Tactile Display to Represent Stiffness Distribution of Human Tissue Using Magnetorheological Fluid. - Hiroki Ishizuka; Nicolo Rorenzoni; Norihisa Miki (EuroHaptics (1), 2014)

MEMS-based tactile displays. - Hiroki Ishizuka; Norihisa Miki (Displays, 2015)

Real-time people movement estimation in large disasters from several kinds of mobile phone data. - Yoshihide Sekimoto; Akihito Sudo; Takehiro Kashiyama; Toshikazu Seto; Hideki Hayashi; Akinori Asahara; Hiroki Ishizuka; Satoshi Nishiyama (UbiComp Adjunct, 2016)

Development of a multi-electrode electrovibration tactile display with 1 mm resolution. - Hiroki Ishizuka; K. Suzuki; Kyohei Terao; Hidekuni Takao; Fusao Shimokawa; Hiroyuki Kajimoto (WHC, 2017)

An indoor location estimation using BLE beacons considering movable obstructions. - Hisashi Hoshi; Hiroki Ishizuka; Arei Kobayashi; Atsunori Minamikawa (ICMU, 2017)

Biological information (pH/EC) sensor device for quantitatively monitoring plant health conditions. - Ryosuke Izumi; Akihito Ono; Hiroki Ishizuka; Kyohei Terao; Hidekuni Takao; Tsuyoshi Kobayashi; Ikuo Kataoka; Fusao Shimokawa (IEEE SENSORS, 2017)

Tactile Element with Double-sided Inkjet Printing to Generate Electrostatic Forces and Electrostimuli. - Kunihiro Kato; Homei Miyashita; Hiroyuki Kajimoto; Hiroki Ishizuka (UIST (Adjunct Volume), 2017)

Double-sided Printed Tactile Display with Electro Stimuli and Electrostatic Forces and its Assessment. - Kunihiro Kato; Hiroki Ishizuka; Hiroyuki Kajimoto; Homei Miyashita (CHI, 2018)

PQRS: Prediction of Applications Based on Cellular Network Traffic with Consideration of SNS Notification. - Michiki Hara; Masaru Onodera; Joe Ohara; Takumi Kondo; Kizito Nkurikiyeyezu; Guillaume Lopez; Hiroki Ishizuka; Yoshito Tobe (UbiComp/ISWC Adjunct, 2018)

Smartphone Application Usage Prediction Using Cellular Network Traffic. - Naoto Mizumura; Kizito Nkurikiyeyezu; Hiroki Ishizuka; Guillaume Lopez; Yoshito Tobe (PerCom Workshops, 2018)

Preliminary Questionnaire-Based Study on Using Behaviour Change to Increase Tourism to Toyama. - Yukitoshi Kashimoto; Masahito Terashita; Hiroki Ishizuka; Masato Taya; Arei Kobayashi (PerCom Workshops, 2019)

Applying In-depth Interview to Explore the Use of Electronic Coupons and Customer Behavior Change. - Yukitoshi Kashimoto; Jaakko Hyry; Masato Taya; Hiroki Ishizuka; Arei Kobayashi (BCSS@PERSUASIVE, 2019)

Photoplethysmographic Subject Identification by Considering Feature Values Derived from Heartbeat and Respiration. - Shun Hinatsu; Daisuke Suzuki; Hiroki Ishizuka; Sei Ikeda; Osamu Oshiro (EMBC, 2020)

Soft Tactile Sensor Detecting Air-Water Interface. - Tatsuya Usui; Hiroki Ishizuka; Takumi Kawasetsu; Koh Hosoda; Sei Ikeda; Osamu Oshiro (IEEE SENSORS, 2020)

HaPouch: Soft and Wearable Haptic Display Devices using Liquid-to-gas Phase Change Actuator. - Ryusei Uramune; Hiroki Ishizuka; Takefumi Hiraki; Yoshihiro Kawahara; Sei Ikeda; Osamu Oshiro (UIST (Adjunct Volume), 2020)

Efficient and Robust Detection of Local Impedance Changes Using Selected Electrical Excitation Conditions. - Shunsuke Yoshimoto; Naoki Ikemoto; Hiroki Ishizuka; Sei Ikeda; Yoshihiro Kuroda; Osamu Oshiro (IEEE Access, 2020)

Attack on PPG Biometrics: Presentation Attack by Stealth Recording and Waveform Estimation. - Shun Hinatsu; Daisuke Suzuki; Hiroki Ishizuka; Sei Ikeda; Osamu Oshiro (EMBC, 2021)

EdiSensor: Facilitating Food Electricity for Eating Habits Analysis. - Parinya Punpongsanon; Hiroki Ishizuka (LifeTech, 2021)

Micro Elastic Pouch Motors: Elastically Deformable and Miniaturized Soft Actuators Using Liquid-to-Gas Phase Change. - Seiya Hirai; Tatsuho Nagatomo; Takefumi Hiraki; Hiroki Ishizuka; Yoshihiro Kawahara; Norihisa Miki (IEEE Robotics Autom. Lett., 2021)

Design of an fMRI-compatible pneumatic tactile array for spatiotemporal stimulation. - Trung Quang Pham; Hiep Hoang Ly; Hiroki Ishizuka; Junichi Chikazoe (SICE, 2022)

AirHaptics: Vibrotactile Presentation Method using an Airflow from Audio Speakers of Smart Devices. - Madoka Ito; Ryota Sakuma; Hiroki Ishizuka; Takefumi Hiraki (VRST, 2022)

Identification of PPG Measurement Sites Toward Countermeasures Against Biometric Presentation Attacks. - Shun Hinatsu; Nori Matsuda; Hiroki Ishizuka; Sei Ikeda; Osamu Oshiro (IEEE Access, 2022)

Evaluation of PPG Feature Values Toward Biometric Authentication Against Presentation Attacks. - Shun Hinatsu; Daisuke Suzuki; Hiroki Ishizuka; Sei Ikeda; Osamu Oshiro (IEEE Access, 2022)

HaPouch: A Miniaturized, Soft, and Wearable Haptic Display Device Using a Liquid-to-Gas Phase Change Actuator. - Ryusei Uramune; Hiroki Ishizuka; Takefumi Hiraki; Yoshihiro Kawahara; Sei Ikeda; Osamu Oshiro (IEEE Access, 2022)

Computational Models for SA, RA, PC Afferent to Reproduce Neural Responses to Dynamic Stimulus Using FEM Analysis and a Leaky Integrate-and-Fire Model. - Hiroki Ishizuka; Shoki Kitaguchi; Masashi Nakatani; Hidenori Yoshimura; Fusao Shimokawa (CoRR, 2022)

Machine-Learning-Based Fine Tuning of Input Signals for Mechano-Tactile Display. - Shuto Yamanaka; Tatsuho Nagatomo; Takefumi Hiraki; Hiroki Ishizuka; Norihisa Miki (Sensors, 2022)

Gaze Depth Estimation for In-vehicle AR Displays. - Ryusei Uramune; Kazuki Sawamura; Sei Ikeda; Hiroki Ishizuka; Osamu Oshiro (AHs, 2023)

Your Health Is Leaked: PPG Waveform Reconstruction Using Stealthily Recorded Physiological Signals. - Shun Hinatsu; Nori Matsuda; Hiroki Ishizuka; Sei Ikeda; Osamu Oshiro (EMBC, 2023)

Unsupervised Learning Enables Extraction of Tactile Information From Text Database. - Tatsuho Nagatomo; Takefumi Hiraki; Hiroki Ishizuka; Norihisa Miki (IEEE Access, 2023)

Fixation-based Self-calibration for Eye Tracking in VR Headsets. - Ryusei Uramune; Sei Ikeda; Hiroki Ishizuka; Osamu Oshiro (CoRR, 2023)

Selective Voltage Application to Connected Loads Using Soft Matter Computer Based on Conductive Droplet Interval Design. - Yuki Hashimoto; Hiroki Ishizuka; Takumi Kawasetsu; Takato Horii; Sei Ikeda; Osamu Oshiro (IEEE Robotics Autom. Lett., 2023)

Relationship Between Interoceptive Accuracy and Tactile Exploration Behavior. - H. Aso; Hiroki Ishizuka; Takefumi Hiraki; Yasuyo Minagawa-Kawai; Norihisa Miki (IEEE Access, 2024)

Haptic Color Patterns for Visually Impaired People-Pilot Study for a Learning Color Wheel. - Hsin-Yi Chao; Hiroki Ishizuka (CoRR, 2024)

A Soft Vibrotactile Display Using Sound Speakers. - Keitaro Ihara; Atsuya Baba; Hiroki Ishizuka; Takefumi Hiraki; Osamu Oshiro (CoRR, 2024)

A self-healing tactile sensor using an optical waveguide. - Seiichi Yamamoto; Hiroki Ishizuka; Sei Ikeda; Osamu Oshiro (CoRR, 2024)

Utilization of Skin Color Change for Image-based Tactile Sensing. - Seitaro Kaneko; Hiroki Ishizuka; Hidenori Yoshimura; Hiroyuki Kajimoto (CoRR, 2025)

Reconfigurable Soft Pneumatic Actuators Using Multi-Material Self-Healing Polymers. - Shota Kosaka; Kentaro Kimura; Seiichi Yamamoto; Hiroki Ishizuka; Yoichi Masuda; Parinya Punpongsanon; Sei Ikeda; Osamu Oshiro (IEEE Robotics Autom. Lett., 2025)