Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314780 | Method for treating metal substrate for electro-photographic photosensitive member and method for manufacturing electrophotographic photosensitive member | Tetsuya Takei, Ryuji Okamura, Hiroyuki Katagiri, Yasuyoshi Takai | 1994-05-24 |
| 5284730 | Electrophotographic light-receiving member | Tetsuya Takei, Shigeru Shirai, Ryuji Okamura, Yasuyoshi Takai, Hiroyuki Katagiri | 1994-02-08 |