Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360484 | Microwave plasma CVD apparatus provided with a microwave transmissive window made of specific ceramics for the formation of a functional deposited film | Yasuyoshi Takai, Hirokazu Otoshi, Ryuji Okamura | 1994-11-01 |
| 5338580 | Method of preparation of functional deposited film by microwave plasma chemical vapor deposition | Hiroyuki Katagiri, Toshiyasu Shirasuna | 1994-08-16 |
| 5314780 | Method for treating metal substrate for electro-photographic photosensitive member and method for manufacturing electrophotographic photosensitive member | Hirokazu Ohtoshi, Ryuji Okamura, Hiroyuki Katagiri, Yasuyoshi Takai | 1994-05-24 |
| 5284730 | Electrophotographic light-receiving member | Shigeru Shirai, Hirokazu Ohtoshi, Ryuji Okamura, Yasuyoshi Takai, Hiroyuki Katagiri | 1994-02-08 |