Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |