Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5504560 | Photosensitive member-protective shutter | Yasunari Kitagaki, Kenji Masaki, Izumi Osawa | 1996-04-02 |
| 5504559 | Method for image formation | Izumi Osawa | 1996-04-02 |
| 5242773 | Photosensitive member having fine cracks in surface protective layer | Shuji Iino, Kenji Masaki, Isao Doi, Izumi Osawa | 1993-09-07 |
| 5242776 | Organic photosensitive member having fine irregularities on its surface | Isao Doi, Kenji Masaki, Shuji Iino, Izumi Osawa | 1993-09-07 |
| 5155002 | Image forming method | Izumi Osawa, Kenji Masaki, Shuji Iino, Isao Doi | 1992-10-13 |