Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278015 | Amorphous silicon film, its production and photo semiconductor device utilizing such a film | Masayuki Iwamoto, Toshihiko Yamaoki | 1994-01-11 |
| 5258207 | Amorphous silicon film, its production and photo semiconductor device utilizing such a film | Masayuki Iwamoto, Toshihiko Yamaoki | 1993-11-02 |
| 5172163 | Photovoltaic photo-receptor and electrophotographing apparatus | Toshihiko Yamaoki, Tomonori Nagashima | 1992-12-15 |
| 5159389 | Electrostatic latent image apparatus | Toshihiko Yamaoki, Tomonori Nagashima, Kenichiro Wakisaka | 1992-10-27 |
| 5152833 | Amorphous silicon film, its production and photo semiconductor device utilizing such a film | Masayuki Iwamoto, Toshihiko Yamaoki | 1992-10-06 |
| 5093703 | Thin film transistor with 10-15% hydrogen content | Kaneo Watanabe, Masayuki Iwamoto | 1992-03-03 |
| 5085711 | Photovoltaic device | Masayuki Iwamoto, Kaneo Watanabe | 1992-02-04 |
| 4922218 | Photovoltaic device | Kaneo Watanabe, Masayuki Iwamoto | 1990-05-01 |
| 4841328 | Electrostatic recording apparatus | Masaru Takeuchi, Takeo Fukatsu, Shoichi Nakano, Yukinori Kuwano, Masayuki Iwamoto | 1989-06-20 |
| 4799968 | Photovoltaic device | Kaneo Watanabe, Masayuki Iwamoto | 1989-01-24 |
| 4670367 | Electrophotographic photosensitive member and method for making such a member | Kazuyuki Goto, Hisao Haku, Takeo Fukatsu, Michitoshi Ohnishi, Yukinori Kuwano | 1987-06-02 |
| 4607937 | Electrostatic recording apparatus | — | 1986-08-26 |
| 4568622 | Electrophotographic photosensitive member and method for making such a member containing amorphous silicon | Kazuyuki Goto, Hisao Haku, Takeo Fukatsu, Michitoshi Ohnishi, Yukinori Kuwano | 1986-02-04 |