RO

Ryuji Okamura

Canon: 3 patents #195 of 1,756Top 15%
📍 Susono, JP: #9 of 72 inventorsTop 15%
Overall (1994): #8,996 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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, Tetsuya Takei, Hirokazu Otoshi 1994-11-01
5314780 Method for treating metal substrate for electro-photographic photosensitive member and method for manufacturing electrophotographic photosensitive member Tetsuya Takei, Hirokazu Ohtoshi, Hiroyuki Katagiri, Yasuyoshi Takai 1994-05-24
5284730 Electrophotographic light-receiving member Tetsuya Takei, Shigeru Shirai, Hirokazu Ohtoshi, Yasuyoshi Takai, Hiroyuki Katagiri 1994-02-08