| 2019 | VR | Evaluating Dynamic Characteristics of Head Mounted Display in Parallel Movement with Simultaneous Subjective Observation Method. | Eisaku Miyamoto, Ryugo Kijima |
| 2016 | VR | Effect of head mounted display latency on human stability during quiescent standing on one foot. | Soma Kawamura, Ryugo Kijima |
| 2016 | VR | 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 |
| 2016 | VR | VR device time - Hi-precision time management by synchronizing times between devices and host PC through USB. | Ryugo Kijima, Katsuya Yamaguchi |
| 2014 | HCI | Expansion of the Free Form Projection Display Using a Hand-Held Projector. | Kaoru Kenjo, Ryugo Kijima |
| 2009 | VR | False Image Projector For Head Mounted Display Using Retrotransmissive Optical System. | Ryugo Kijima, Jyunya Watanabe |
| 2006 | VR | A Light-weight Annotation System Using a Miniature Laser Projector. | Ryugo Kijima, Toshiyuki Goto |
| 2004 | UIST | Tangible NURBS-curve manipulation techniques using graspable handles on a large display. | Seok-Hyung Bae, Takahiro Kobayashi, Ryugo Kijima, Won-Sup Kim |
| 2003 | ICCSA | Digital Styling for Designers: 3D Plane-Symmetric Freeform Curve Creation Using Sketch Interface. | Seok-Hyung Bae, Ryugo Kijima, Won-Sup Kim |
| 2002 | VR | Distributed Display Approach Using PHMD with Infrared Camera. | Ryugo Kijima, Kenji Haza, Yoshihiro Tada, Takeo Ojika |
| 2002 | VR | Reflex HMD to Compensate Lag and Correction of Derivative Deformation. | Ryugo Kijima, Takeo Ojika |
| 1997 | VR | Transition between virtual environment and workstation environment with projective head mounted display. | Ryugo Kijima, Takeo Ojika |
| 1996 | VR | Representative Spherical Plane Method and Comsposition of Object Manipulation Methods. | Ryugo Kijima, Michitaka Hirose |
| 1995 | EGVE | Fine Object Manipulation in Virtual Environment. | Ryugo Kijima, Michitaka Hirose |