YE

Yoshihiko Etoh

KO Konica: 10 patents #212 of 1,958Top 15%
Overall (All Time): #526,183 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5863689 Electrophotographic photoreceptor Yoshiaki Takei, Asao Matsushima, Takeo Oshiba 1999-01-26
5679488 Electrophotography photoreceptor Akihiko Itami, Yoshiaki Takei, Chikusa Fukumoto, Takeo Oshiba 1997-10-21
5604574 Electrophotographic image-forming method Katsumi Matsuura, Yuji Marukawa 1997-02-18
5591558 Image forming method Hiroshi Yamazaki, Takeo Oshiba 1997-01-07
5589314 Image forming method using an imidazole-perylene electrophotographic photoreceptor Takeo Oshiba, Asao Matsushima, Hirofumi Hayata, Tomoo Sakimura, Tomoko Suzuki +1 more 1996-12-31
5549997 Electrophotographic photoreceptor Asao Matsushima, Takeo Ooshiba, Akira Kinoshita, Tomoko Suzuki, Tomoo Sakimura 1996-08-27
5434027 Photorecptor for electrophotography and image forming method Takeo Oshiba, Asao Matsushima, Yoshiaki Takei 1995-07-18
5403691 Method for preparing an electrophotographic photoreceptor Takeo Oshiba, Yoshiaki Takei 1995-04-04
4952470 Electrophotographic photosensitive member Kiyoshi Tamaki, Koichi Kudoh, Yoshiaki Takei 1990-08-28
4888262 Image forming method Kiyoshi Tamaki, Koichi Kudoh, Yoshiaki Takei 1989-12-19