Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868078 | Imaging member having an amorphous silicon surface layer | Eiichi Sakai, Yuki Okuyama, Yoshihide Fujimaki, Satoru Ikeuchi | 1989-09-19 |
| 4859554 | Multilayer photoreceptor | Eiichi Sakai, Tatsuo Nakanishi, Hiroyuki Nomori | 1989-08-22 |