Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462794 | Image forming unit, enlarging unit, optical parts, and image display apparatus having these components | Hiroki Yoshikawa, Tetsu Ohishi, Takesuke Maruyama, Goro Ohnishi, Takashi Iwata +1 more | 2002-10-08 |
| 6201516 | Projector, projecting system, system for sensation and method of manufacturing translucent screen | Tetsu Ohishi, Hiroki Yoshikawa | 2001-03-13 |
| 5926153 | Multi-display apparatus | Tetsu Ohishi, Takahiko Yoshida, Hiroki Yoshikawa, Yutaka Matsuda, Shigeru Mori +2 more | 1999-07-20 |
| 5833340 | Sensory integration system and image display device and concave mirror for use in the same system | Hiroki Yoshikawa, Tetsu Ohishi | 1998-11-10 |
| 5500747 | Ultra-wide angle liquid crystal projector system | Masayuki Muranaka, Shigeru Mori, Kiyoshi Wada, Isao Yoshizaki, Naoyuki Ogura | 1996-03-19 |