Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233265 | Photoconductive imaging apparatus | Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima, Tadaaki Hirai, Sachio Ishioka +17 more | 1993-08-03 |
| 5218264 | Image pick-up tube and apparatus having the same | Tadaaki Hirai, Hirofumi Ogawa, Kenji Sameshima, Yukio Takasaki, Takaaki Unnai +3 more | 1993-06-08 |
| 4980736 | Electric conversion device | Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima, Tadaaki Hirai, Sachio Ishioka +7 more | 1990-12-25 |
| 4330733 | Photoconductive target | Keiichi Shidara, Naohiro Goto, Tatsuro Kawamura, Yohitsumu Ikeda, Kenkichi Tanioka +5 more | 1982-05-18 |