Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6204978 | Optical system | Keisuke Araki | 2001-03-20 |
| 6188521 | Image displaying apparatus having magnification-changing system | Tsunefumi Tanaka, Sadahiko Tsuji, Hideki Morishima, Norihiro Nanba | 2001-02-13 |
| 6166866 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2000-12-26 |
| 6124986 | Zoom optical system and image pickup apparatus | Makoto Sekita, Tsunefumi Tanaka, Keisuke Araki, Kenichi Kimura, Norihiro Nanba +1 more | 2000-09-26 |
| 6120156 | Optical element and optical system having the same | — | 2000-09-19 |
| 6021004 | Reflecting type of zoom lens | Makoto Sekita, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2000-02-01 |
| 5844713 | Image displaying apparatus | Norihiro Nanba, Tsunefumi Tanaka, Hideki Morishima | 1998-12-01 |
| 5663833 | Image display apparatus | Norihiro Nanba, Tsunefumi Tanaka, Hideki Morishima | 1997-09-02 |
| 5515122 | Image displaying apparatus | Hideki Morishima, Susumu Matsumura, Naosato Taniguchi, Yoko Yoshinaga, Shin Kobayashi +3 more | 1996-05-07 |
| 5294497 | Battery box using a miniature-motor package | Shinichi Muramatsu, Hiromichi Kaneko, Shinichi Nakayama | 1994-03-15 |
| 5290005 | Supporting device for miniature motors | Shinichi Nakayama | 1994-03-01 |
| 4749899 | Miniature rotary machinery with brushgear | Eisuke Ishizawa | 1988-06-07 |
| 4500804 | Small electric motor | — | 1985-02-19 |
| 4315966 | Fibrous substrate vulcanization-adhered to ethylene-propylene rubber composition | Toshiyuki Koide, Mutsuo Nagasawa | 1982-02-16 |