Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411442 | Objective lens for pickup and light pickup apparatus | Tohru Kimura | 2002-06-25 |
| 6404562 | Zoom lens | Minoru Yokota, Masae Sato | 2002-06-11 |
| 6349083 | Near field type optical disk recording reproducing apparatus, optical information recording medium recording reproducing apparatus, pickup apparatus, objective lens | Toshihiko Kiriki | 2002-02-19 |
| 6185050 | Zoom lens having two lens groups | Minoru Yokota | 2001-02-06 |
| 5541692 | Camera with triplet lenses | — | 1996-07-30 |
| 5392083 | Display device in view-finder | Takemi Miyazaki, Koyoaki Hazama, Kazuhiro Nakanishi | 1995-02-21 |
| 4828374 | Albada type inverted Galileo finder | Akira Ishisaka | 1989-05-09 |
| 4726666 | Two-group zoom lens | Toshiko Shimokura | 1988-02-23 |