Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884879 | Lens system for projection television receivers | Kyohei Fukuda, Soichi Sakurai, Shigeru Mori | 1989-12-05 |
| 4824224 | Lens system for a cathode ray tube projection system | Kyohei Fukuda, Hiroki Yoshikawa, Shigeru Mori, Soichi Sakurai | 1989-04-25 |