Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569749 | Organic photoconductive material and a photosensitive material for electronic photography using it | Hisao Kouno, Shyouichi Takahashi, Nakaji Komiyama, Osamu Suda, Masaru Hasegawa | 1996-10-29 |
| 5506346 | Organic photoconductive material and a photosensitive material for electronic photography using it | Hisao Kouno, Shyouichi Takahashi, Nakaji Komiyama, Osamu Suda, Masaru Hasegawa | 1996-04-09 |
| 5344736 | Disazo electrophotographic photoreceptor | Nakaji Komiyama, Hisao Kouno, Osamu Suda, Masaru Hasegawa | 1994-09-06 |