Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7202917 | Projection type image display device | Hiromi Katoh, Hiroshi Nakanishi, Hiroshi Hamada, Akihito Jinda, Tadashi Kawamura | 2007-04-10 |
| 7110008 | Display device having an image shifter | Hiromi Katoh, Koichi Miyachi, Akihito Jinda, Hiroshi Hamada | 2006-09-19 |
| 7106389 | Optical shifter and projection type optical display system | Hiromi Katoh | 2006-09-12 |
| 6939008 | Projection type display device | Hiroshi Hamada | 2005-09-06 |
| 6888582 | Optical display system | Kanehiro Tominaga | 2005-05-03 |
| 6606135 | Optical lens system, image display apparatus, micro-lens array, liquid crystal display device, and liquid crystal display apparatus of projection-type | Hiroshi Nakanishi, Hiroshi Hamada | 2003-08-12 |
| 6332684 | Projection type color image display apparatus | Hiroshi Nakanishi, Ikuo Takahara, Hiroshi Hamada | 2001-12-25 |
| 5956001 | Image display device | Yukihiro Sumida, Akiyoshi Fujii, Hiroshi Hamada, Hiroshi Nakanishi, Kenji Nishiguchi | 1999-09-21 |
| 5805250 | Liquid crystal display device with contact holes extending through interlayer insulating film between switching elements and pixel electrodes | Akitsugu Hatano, Yukihiro Sumida, Takayuki Shimada, Yasunobu Tagusa | 1998-09-08 |
| 5760850 | Projection type image display apparatus | Hiroshi Nakanishi, Hiroshi Hamada, Yoshihiro Mizuguchi, Hiromi Kato | 1998-06-02 |
| 5633737 | Projection-type color liquid crystal display having two micro-lens arrays | Naoyuki Tanaka, Hiroshi Hamada, Hiroshi Nakanishi | 1997-05-27 |
| 5459592 | Projection display system including a collimating tapered waveguide or lens with the normal to optical axis angle increasing toward the lens center | Tokihiko Shinomiya, Takuji Yamatani, Hiroshi Hamada, Hiroshi Nakanishi | 1995-10-17 |
| 5337186 | Transmissive image display device | Masahiro Oikawa, Hiroyuki Nemoto, Kenjiro Hamanaka, Takashi Kishimoto, Fumiaki Funada +1 more | 1994-08-09 |