Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884879 | Lens system for projection television receivers | Soichi Sakurai, Koji Hirata, Shigeru Mori | 1989-12-05 |
| 4838655 | Projector using guest-host liquid crystal cells for improved color purity | Katuyuki Hunahata, Yoshiharu Nagae, Masahiro Takasaka, Yuji Mori, Minoru Hoshino +5 more | 1989-06-13 |
| 4824224 | Lens system for a cathode ray tube projection system | Hiroki Yoshikawa, Shigeru Mori, Koji Hirata, Soichi Sakurai | 1989-04-25 |
| 4810075 | Projection system with a cathode ray tube and a lens | — | 1989-03-07 |