Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5995298 | Zoom lens | — | 1999-11-30 |
| 5915179 | Semiconductor device and method of manufacturing the same | Hiroki Etou, Takaaki Saito, Naofumi Tsuchiya, Toshinari Utsumi | 1999-06-22 |
| 5835281 | Simplified zoom lens | — | 1998-11-10 |
| 5825557 | Two-group zoom lens | — | 1998-10-20 |
| 5745303 | Zoom lens system | — | 1998-04-28 |
| 5745302 | Inverted Galilean type zoom finder lens system | — | 1998-04-28 |
| 5739965 | Wide angle lens system for camera | — | 1998-04-14 |
| 5710670 | Wide angle zoom lens system | — | 1998-01-20 |
| 5666234 | Two-element optical system for photographic cameras | — | 1997-09-09 |
| 5657167 | Focal length changeable lens system | — | 1997-08-12 |
| 5587844 | Albada type inverted galilean finder for camera | — | 1996-12-24 |
| 5552936 | Two-unit zoom lens | — | 1996-09-03 |
| 5502523 | Inverted Galilean finder for camera | Yasuhiko Tanaka | 1996-03-26 |
| 5424434 | Production on 3-oxadiazolyl-1,6-naphthyridine derivatives | Osamu Odai, Yukio Tominaga, Kiyoshi Furukawa, Makoto Oka | 1995-06-13 |
| 5424433 | Intermediates for 3-oxadiazoly-1,6-naphthyridine derivatives | Osamu Odai, Yukio Tominaga, Kiyoshi Furukawa, Makoto Oka | 1995-06-13 |
| 5367078 | 3-oxadiazolyl-1,6-naphthyridine derivatives | Osamu Odai, Yukio Tominaga, Kiyoshi Furukawa, Makoto Oka | 1994-11-22 |
| 5359364 | Electronic still camera having an optical system for TTL dimming | Yasunobu Kayanuma | 1994-10-25 |
| 5357374 | Zoom lens system | — | 1994-10-18 |
| 5181144 | Initial focusing mechanism for zoom lens system | Nobuyuki Shirie | 1993-01-19 |
| 5179472 | Zoom lens | Hitoshi Miyano | 1993-01-12 |
| 5084719 | Lens-fitted photographic film package | Hiroshi Hara, Hiroshi Ohmura, Junichi Takagi | 1992-01-28 |
| 5067803 | Photographic wide angle lens | — | 1991-11-26 |
| 5027144 | Lens changer for cameras | — | 1991-06-25 |
| 4887109 | Viewfinder for a camera with changeable focal length | Yoshihiro Fujita, Hiroshi Komatsuzaki, Masao Shoji, Yukio Noguchi, Masayoshi Hirai | 1989-12-12 |
| 4870074 | Substituted benzamide derivatives, for enhancing gastrointestinal motility | Tatsuya Kon, Shiro Kato, Toshiya Morie, Katsuhiko Hino, Tadahiko Karasawa +1 more | 1989-09-26 |