Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692392 | Color electrophotographic process uses layered photosensitive element having conductive film on side portion | Kenichi Ichimura | 1987-09-08 |
| 4525441 | Multicolor electrophotographic process using TiO.sub.2 | Kei Takahata, Sadao Murasawa, Mizuho Okada, Takao Nakayama | 1985-06-25 |
| 4270485 | Liquid developing apparatus | Sadao Murasawa, Hajime Murakami | 1981-06-02 |