Virtual Sand Box: Development of an Application of Virtual Environments for Clinical Medicine. - Ryugo Kijima; Kimiko Shirakawa; Michitaka Hirose; Kenji Nihei (Presence Teleoperators Virtual Environ., 1994)

Fine Object Manipulation in Virtual Environment. - Ryugo Kijima; Michitaka Hirose (Virtual Environments, 1995)

Representative Spherical Plane Method and Comsposition of Object Manipulation Methods. - Ryugo Kijima; Michitaka Hirose (VRAIS, 1996)

Transition between virtual environment and workstation environment with projective head mounted display. - Ryugo Kijima; Takeo Ojika (VRAIS, 1997)

Constructing the Historic Villages of Shirakawa-go in Virtual Reality. - Hidekazu Hirayu; Takeo Ojika; Ryugo Kijima (IEEE Multim., 2000)

Distributed Display Approach Using PHMD with Infrared Camera. - Ryugo Kijima; Kenji Haza; Yoshihiro Tada; Takeo Ojika (VR, 2002)

Reflex HMD to Compensate Lag and Correction of Derivative Deformation. - Ryugo Kijima; Takeo Ojika (VR, 2002)

Digital Styling for Designers: 3D Plane-Symmetric Freeform Curve Creation Using Sketch Interface. - Seok-Hyung Bae; Ryugo Kijima; Won-Sup Kim (ICCSA (3), 2003)

Tangible NURBS-curve manipulation techniques using graspable handles on a large display. - Seok-Hyung Bae; Takahiro Kobayashi; Ryugo Kijima; Won-Sup Kim (UIST, 2004)

A Light-weight Annotation System Using a Miniature Laser Projector. - Ryugo Kijima; Toshiyuki Goto (VR, 2006)

A Study on Perception and Operation Using Free Form Projection Display. - Daisuke Kondo; Ryugo Kijima (VSMM, 2006)

Poster: Free Form Projection Display: Virtual Image Located Inside Real Object. - Daisuke Kondo; Ryugo Kijima (3DUI, 2008)

Free form projection display and application. - Daisuke Kondo; Yuichi Shiwaku; Ryugo Kijima (PROCAMS, 2008)

False Image Projector For Head Mounted Display Using Retrotransmissive Optical System. - Ryugo Kijima; Jyunya Watanabe (VR, 2009)

Expansion of the Free Form Projection Display Using a Hand-Held Projector. - Kaoru Kenjo; Ryugo Kijima (HCI (16), 2014)

Effect of HMD latency on human stability during quiescent standing on one foot. - Soma Kawamura; Ryugo Kijima (3DUI, 2016)

Looking into HMD: A method of latency measurement for head mounted display. - Ryugo Kijima; Kento Miyajima (3DUI, 2016)

Effect of head mounted display latency on human stability during quiescent standing on one foot. - Soma Kawamura; Ryugo Kijima (VR, 2016)

Measurement of Head Mounted Display's latency in rotation and side effect caused by lag compensation by simultaneous observation - An example result using Oculus Rift DK2. - Ryugo Kijima; Kento Miyajima (VR, 2016)

VR device time - Hi-precision time management by synchronizing times between devices and host PC through USB. - Ryugo Kijima; Katsuya Yamaguchi (VR, 2016)

Evaluating Dynamic Characteristics of Head Mounted Display in Parallel Movement with Simultaneous Subjective Observation Method. - Eisaku Miyamoto; Ryugo Kijima (VR, 2019)