Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863822 | Electrophotographic photoconductor comprising charge generating and transport layers containing adjuvants | Toshio Fukagai, Kiyoshi Taniguchi, Katsuichi Ohta, Kayoko Yokoyama | 1989-09-05 |
| 4822705 | Electrophotographic photoconductor with layer preventing charge injection | Toshio Fukagai, Kiyoshi Taniguchi, Katsuichi Ohta, Kayoko Yokoyama | 1989-04-18 |