Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345829 | Objective lens | Yasutaka Terashima, Yasuhiro Yoneda, Teruo Yamashita | 2008-03-18 |
| 7212485 | Objective lens and method for manufacture thereof | Yasutaka Terashima, Yasuhiro Yoneda, Teruo Yamashita | 2007-05-01 |
| 5889748 | Object lens and optical head for reproducing data from optical disks in different thickness of substrate | Takeshi Shimano, Masayuki Inoue, Akira Arimoto, Hiroyuki Minemura, Hisao Fujita | 1999-03-30 |
| 5166830 | Aspherical lens system for a bar code sensor | Isao Ishibai, Hitonobu Otsu | 1992-11-24 |