Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906544 | Photosensitive member of plasma polymerized amorphous carbon charge transporting layer and charge generating layer | Izumi Osawa, Hideo Hotomi, Mitsutoshi Nakamura | 1990-03-06 |
| 4863821 | Photosensitive member comprising charge generating layer and charge transporting layer having amorphous carbon | — | 1989-09-05 |
| 4855768 | Digital printing apparatus | Akihito Ikegawa | 1989-08-08 |
| 4810606 | Photosensitive member comprising charge generating layer and charge transporting layer | Hideo Hotomi, Isao Doi, Mitsutoshi Nakamura, Izumi Osawa | 1989-03-07 |
| 4804833 | Color sensing method and device therefor | Ken Matsubara, Hirohisa Kitano | 1989-02-14 |
| 4801515 | Photosensitive member having an overcoat layer | Hideo Hotomi, Masanori Fujiwara, Isao Doi, Izumi Osawa | 1989-01-31 |
| 4749636 | Photosensitive member with hydrogen-containing carbon layer | Hideo Hotomi, Izumi Osawa, Mitsutoshi Nakamura | 1988-06-07 |
| 4743522 | Photosensitive member with hydrogen-containing carbon layer | Hideo Hotomi, Izumi Osawa, Mitsutoshi Nakamura | 1988-05-10 |
| 4741982 | Photosensitive member having undercoat layer of amorphous carbon | Hideo Hotomi, Izumi Osawa, Mitsutoshi Nakamura | 1988-05-03 |
| 4738912 | Photosensitive member having an amorphous carbon transport layer | Hideo Hotomi, Izumi Osawa, Mitsutoshi Nakamura | 1988-04-19 |
| 4659639 | Photosensitive member with an amorphous silicon-containing insulating layer | Hiroshi Mizuno, Izumi Osawa, Isao Doi | 1987-04-21 |
| 4642278 | Photosensitive member with an insulating layer of amorphous silicon | Yukio Tanigami, Mitsutoshi Nakamura | 1987-02-10 |
| 4642279 | Photosensitive member with an insulating layer of amorphous silicon | Yukio Tanigami, Mitsutoshi Nakamura | 1987-02-10 |