Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5956182 | Projection optical system | — | 1999-09-21 |
| 5861997 | Catadioptric reduction projection optical system and exposure apparatus having the same | — | 1999-01-19 |
| 5808805 | Exposure apparatus having catadioptric projection optical system | — | 1998-09-15 |
| 5805334 | Catadioptric projection systems | — | 1998-09-08 |
| 5691802 | Catadioptric optical system and exposure apparatus having the same | — | 1997-11-25 |
| 5689377 | Catadioptric optical system and exposure apparatus having the same | — | 1997-11-18 |
| 5636066 | Optical apparatus | — | 1997-06-03 |
| 4770511 | Zoom lens capable of accomplishing macro-photography | Yasuo Yonezawa, Yasuhiro Aono | 1988-09-13 |
| 4699475 | Zoom lens including a wide angle of view | Yasuhiro Aono | 1987-10-13 |
| 4653872 | Athermalized zoom lens system | — | 1987-03-31 |
| 4632519 | Zoom lens including a wide angle of view | — | 1986-12-30 |
| 4588265 | Telecentric rear converter | — | 1986-05-13 |
| 4437733 | Zoom lens | Kunio Konno, Toshihiro Sasaya | 1984-03-20 |