Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331506 | Method of manufacturing target of image pickup tube | Akira Sasano, Ken Tsutsui, Chushiro Kusano, Tadaaki Hirai, Eiichi Maruyama | 1982-05-25 |
| 4311773 | Method of producing color filters | Tadao Kaneko, Michiaki Hashimoto, Akira Sasano | 1982-01-19 |