Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863240 | Apparatus for actuating objective lens | Seiji Hoshi, Hiroyoshi Yamamoto, Chikara Miyata, Ikuo Nanno, Shigeru Inagaki +1 more | 1989-09-05 |
| 4790628 | Apparatus for actuating objective lens | Ikuo Nanno, Seiji Hoshi, Hiroyoshi Yamamoto | 1988-12-13 |