Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569749 | Organic photoconductive material and a photosensitive material for electronic photography using it | Shyouichi Takahashi, Kazuhiro Higashide, Nakaji Komiyama, Osamu Suda, Masaru Hasegawa | 1996-10-29 |
| 5506346 | Organic photoconductive material and a photosensitive material for electronic photography using it | Shyouichi Takahashi, Kazuhiro Higashide, Nakaji Komiyama, Osamu Suda, Masaru Hasegawa | 1996-04-09 |
| 5344736 | Disazo electrophotographic photoreceptor | Nakaji Komiyama, Kazuhiro Higashide, Osamu Suda, Masaru Hasegawa | 1994-09-06 |
| 4912001 | Electrophotographic photoreceptor comprising azo compound and coupler | Hiroaki Saikatsu, Osamu Suda, Tetsuhiro Umezaki, Norio Tanaka, Toshifumi Sekino +3 more | 1990-03-27 |