Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885226 | Electrophotographic photosensitive sensor | Masaru Takeuchi, Kazuyuki Gotoh, Kenichiro Wakisaka, Kazuhiko Honma, Takeo Fukatsu +1 more | 1989-12-05 |
| 4874646 | Ultrafine tube and method for its production | Yoshikazu Tsujino, Yuuji Hamada, Masakazu Sakata, Takanori Fujii | 1989-10-17 |
| 4855214 | Radiation-sensitive high-polymeric material | Yoshikazu Tsujino, Yuji Hamada | 1989-08-08 |
| 4841328 | Electrostatic recording apparatus | Masaru Takeuchi, Takeo Fukatsu, Shoichi Nakano, Koji Minami, Masayuki Iwamoto | 1989-06-20 |
| 4831429 | Transparent photo detector device | Saburo Nakashima, Shoichiro Nakayama, Shigeru Noguchi, Shoichi Nakano, Kaneo Watanabe +1 more | 1989-05-16 |
| 4824488 | Photovoltaic device | Souichi Sakai, Shoichi Nakano | 1989-04-25 |
| 4799087 | Field effect transistor | Takao Matsuyama, Hisaki Tarui, Shinya Tsuda, Shoichi Nakano | 1989-01-17 |