Issued Patents All Time
Showing 326–350 of 365 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371630 | Zoom lens system | Yasuyuki Sugano | 1994-12-06 |
| 5353162 | Zoom lens system | Sachio Hasushita | 1994-10-04 |
| 5343329 | Zoom lens system | — | 1994-08-30 |
| 5331464 | Zoom lens system | Sachio Hasushita | 1994-07-19 |
| 5315439 | Zoom lens system | — | 1994-05-24 |
| 5313327 | Ocular lens | Sachio Hasushita | 1994-05-17 |
| 5309285 | Zoom lens system for use with a compact camera | — | 1994-05-03 |
| 5309278 | Real-image variable magnification finder including a light shield between two moving lens groups | Sachio Hasushita | 1994-05-03 |
| 5288387 | Apparatus for maintaining the activity of an enzyme electrode | Hideo Katayama | 1994-02-22 |
| 5280390 | Zoom lens system | — | 1994-01-18 |
| 5278699 | Zoom lens system | Sachio Hasushita, Shuji Yoneyama | 1994-01-11 |
| 5260833 | Zoom lens system | Nobutaka Minefuji | 1993-11-09 |
| 5233472 | Method of controlling a zoom lens assembly | Keisuke Haraguchi, Yukio Takaoka, Tomoaki Kobayashi | 1993-08-03 |
| 5218476 | Zoom lens system | — | 1993-06-08 |
| 5218477 | Zoom lens system | — | 1993-06-08 |
| 5202225 | Silver halide photographic materials with redox releasers containing nucleophilic groups | Takeshi Nakamine, Naoto Matsuda, Koki Nakamura, Hiroyuki Hirai | 1993-04-13 |
| 5195814 | Strobe unit | Sachio Hasushita | 1993-03-23 |
| 5170294 | Method of controlling the zoom lens assembly | Keisuke Haraguchi, Yukio Takaoka, Shinsuke Kohmoto, Takeo Kobayashi, Tomoaki Kobayashi | 1992-12-08 |
| 5164859 | Zoom lens system for use with a compact camera having a wide coverage of angles | — | 1992-11-17 |
| 5162947 | Zoom lens system for use with a compact camera having a wide coverage of angles | — | 1992-11-10 |
| 5155629 | Zoom lens system | Nobutaka Minefuji | 1992-10-13 |
| 5117064 | Method for synthesizing aromatic amines, aromatic alcohols and aromatic thiols by aromatic nucleophilic substitution reaction | Koki Nakamura | 1992-05-26 |
| 5079137 | Heat-developable color photographic light-sensitive material | Toshiki Taguchi | 1992-01-07 |
| 5066577 | Silver halide color photographic material | Koki Nakamura, Masaaki Tsukase, Toshiki Taguchi | 1991-11-19 |
| 5035492 | Compact and high-speed wide-angle zoom lens system | — | 1991-07-30 |