Issued Patents All Time
Showing 126–132 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039211 | Zoom lens capable of image blur compensation | — | 1991-08-13 |
| 4966449 | Telephoto lens system | — | 1990-10-30 |
| 4948233 | Beam shaping optical system | — | 1990-08-14 |
| 4942414 | Front conversion adapter for lens shutter type of zoom lens camera | Norimichi Takahashi, Hitoshi Tanaka | 1990-07-17 |
| 4848883 | Telephoto zoom lens system having four lens groups | — | 1989-07-18 |
| 4743101 | Rear-attachment lens system | — | 1988-05-10 |
| 4229675 | Color picture tube with internal funnel shaped magnetic shield | Takeshi Matsuki, Kuniharu Osakabe, Sakae Kunitoh | 1980-10-21 |