Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534927 | Method of performing high efficiency coding of image signal and system therefor | Yoshiaki Shishikui, Yukihiro Nishida, Eisuke Nakasu, Yoshimichi Ohtsuka | 1996-07-09 |
| 5475513 | Projection type image display device maintaining resolution of an image unaffected by parallax | Hiroshi Hamada, Akitsugu Hatano | 1995-12-12 |
| 5459592 | Projection display system including a collimating tapered waveguide or lens with the normal to optical axis angle increasing toward the lens center | Takashi Shibatani, Tokihiko Shinomiya, Takuji Yamatani, Hiroshi Hamada | 1995-10-17 |
| 5408360 | Plastic lens | — | 1995-04-18 |
| 5373333 | Presentation apparatus | Tadamichi Kawada, Yukio Takahashi, Nobuhiro Funakoshi | 1994-12-13 |
| 5329406 | Plastic optical elements and a molding mold therefor | Yoshito Matsuoka, Yoichi Shibata, Toshiaki Magome, Takashi Ubagai | 1994-07-12 |
| 5187599 | Display including two microlens arrays with unequal focal lengths and congruent focal points | Hioroshi Hamada | 1993-02-16 |
| 5150138 | Projection type image display apparatus | Hiroshi Hamada | 1992-09-22 |
| 5075051 | Molding process and apparatus for transferring plural molds to plural stations | Kazuhiko Ito, Eiichi Yamazaki, Kunio Ohtaki, Fumio Korayashi, Yoshihisa Masuda +2 more | 1991-12-24 |
| 5069980 | Vacuum-brazing aluminum cladding material consisting of Al or Al alloy core and two superposed aluminum alloy clads which cover at least one surface of the core | Keizo Namba, Yasunaga Itoh | 1991-12-03 |
| 4794479 | Shuttering mechanism for a cassette with a shutter moving arm | — | 1988-12-27 |
| 4753741 | Super highly radiation-resistant grease | Kazuo Arakawa, Tsuneo Sasuga, Miyuki Hagiwara, Naohiro Hayakawa, Kenzo Yoshida +4 more | 1988-06-28 |
| 4711732 | Radiation-resistant grease | Kazuo Arakawa, Naohiro Hayakawa, Kenzo Yoshida, Tetsuya Yagi | 1987-12-08 |
| 4664829 | Lubricating oil blend resistant to ionizing radiation | Kazuo Arakawa, Naohiro Hayakawa, Kenzo Yoshida, Naoyuki Tamura, Tetsuya Yagi +1 more | 1987-05-12 |
| D284364 | Automobile tire | Hisao Suganuma | 1986-06-24 |
| 4592413 | Through-wall type air conditioner | Kiyoshi Sugita | 1986-06-03 |
| 4553138 | Fire alarm system | Yoshitaka Nakanishi, Takashi Nakanishi | 1985-11-12 |
| 4388617 | Fire alarm device having thermal sensitivity enhancement | Yoshitaka Nakanishi, Takashi Nakanishi | 1983-06-14 |