EM

Eiichi Maruyama

HI Hitachi: 33 patents #772 of 28,497Top 3%
NP Nippon Telegraph And Telephone Public: 3 patents #61 of 842Top 8%
HD Hitachi Denshi: 2 patents #77 of 275Top 30%
NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%
📍 Kodaira, JP: #37 of 1,073 inventorsTop 4%
Overall (All Time): #109,138 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
4285007 Color solid-state imager and method of making the same Toshio Nakano, Tadao Kaneko, Michiaki Hashimoto, Yoshio Hatano, Haruo Matsumaru +1 more 1981-08-18
4273812 Method of producing material patterns by evaporating material through a perforated mask having a reinforcing bridge Ken Tsutsui, Akira Sasano, Toshio Nakano, Haruo Matsumaru 1981-06-16
4255686 Storage type photosensor containing silicon and hydrogen Yoshinori Imamura, Saburo Ataka, Kiyohisa Inao, Yukio Takasaki, Toshihisa Tsukada +1 more 1981-03-10
4249106 Radiation sensitive screen Saburo Ataka, Kiyohisa Inao, Yoshinori Imamura, Toshihisa Tsukada, Yukio Takasaki +1 more 1981-02-03
4233506 Photo-sensor Hideaki Yamamoto, Makoto Matsui, Toshihisa Tsukada, Yoshizumi Eto, Tadaaki Hirai 1980-11-11
4232219 Photosensor Hideaki Yamamoto, Toshihisa Tsukada, Hiroya Inagaki 1980-11-04
4227078 Photo-sensor Hideaki Yamamoto, Haruo Matsumaru, Makoto Matsui, Toshihisa Tsukada, Tadaaki Hirai 1980-10-07
4199777 Semiconductor device and a method of manufacturing the same Hideaki Yamamoto 1980-04-22