Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014092 | Image forming apparatus with a binding function | Naoki Kubo, Takuma Ishikawa, Toshio Matsui, Yasuhiko Doi | 1991-05-07 |
| 4804607 | Electrophotosensitive member having an overcoat layer and a process for preparing the same | — | 1989-02-14 |
| 4284344 | Electrophotographic density control | Hiroshi Okamoto, Tetsuya Yamada, Isao Iizaka | 1981-08-18 |
| 4183656 | Slit exposure type copying apparatus | Toshiaki Ishihara, Tetsuya Yamada | 1980-01-15 |