TH

Tadaaki Hirai

HI Hitachi: 34 patents #717 of 28,497Top 3%
NK Nippon Hoso Kyokai: 15 patents #7 of 703Top 1%
HK Hamamatsu Photonics K.K.: 2 patents #676 of 1,436Top 50%
HD Hitachi Denshi: 2 patents #77 of 275Top 30%
NP Nippon Telegraph And Telephone Public: 2 patents #129 of 842Top 20%
HM Hitachi Medical: 1 patents #371 of 680Top 55%
📍 Koganei, JP: #13 of 449 inventorsTop 3%
Overall (All Time): #83,362 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
4564784 Reduced degradation, high resolution image pickup tube Sachio Ishioka, Yoshinori Imamura, Saburo Nobutoki, Akio Maruyama 1986-01-14
4556816 Photoelectric device Yoshinori Imamura, Saburo Ataka, Yukio Takasaki, Yasuo Tanaka, Eiichi Maruyama 1985-12-03
4556817 Photoelectric conversion apparatus Chushirou Kusano, Sachio Ishioka, Yoshinori Imamura, Yukio Takasaki, Hirofumi Ogawa +2 more 1985-12-03
4429325 Photosensor Yukio Takasaki, Hideaki Yamamoto, Toshihisa Tsukada, Yoshiaki Mori 1984-01-31
4394749 Photoelectric device and method of producing the same Toshihisa Tsukada, Yukio Takasaki, Toru Baji, Hideaki Yamamoto, Yasuo Tanaka +2 more 1983-07-19
4331506 Method of manufacturing target of image pickup tube Akira Sasano, Toshio Nakano, Ken Tsutsui, Chushiro Kusano, Eiichi Maruyama 1982-05-25
4330733 Photoconductive target Keiichi Shidara, Naohiro Goto, Tatsuro Kawamura, Eikyu Hiruma, Yohitsumu Ikeda +5 more 1982-05-18
4323912 Solid-state imaging device Norio Koike, Toshihisa Tsukada, Haruhisa Ando, Hideaki Yamamoto, Masaharu Kubo +4 more 1982-04-06
4307319 Semiconductor layer of oxygen depletion type cerium oxide or lead oxide Motoyasu Terao, Eiichi Maruyama, Hideaki Yamamoto, Tsutomu Fujita, Naohiro Goto +1 more 1981-12-22
4255686 Storage type photosensor containing silicon and hydrogen Eiichi Maruyama, Yoshinori Imamura, Saburo Ataka, Kiyohisa Inao, Yukio Takasaki +1 more 1981-03-10
4249106 Radiation sensitive screen Eiichi Maruyama, Saburo Ataka, Kiyohisa Inao, Yoshinori Imamura, Toshihisa Tsukada +1 more 1981-02-03
4233506 Photo-sensor Hideaki Yamamoto, Makoto Matsui, Toshihisa Tsukada, Yoshizumi Eto, Eiichi Maruyama 1980-11-11
4227078 Photo-sensor Hideaki Yamamoto, Haruo Matsumaru, Makoto Matsui, Toshihisa Tsukada, Eiichi Maruyama 1980-10-07
4206384 Image pick-up tube target having transparent conductive strips with shallow sides Akira Sasano, Toshio Nakano, Haruo Matsumaru, Ken Tsutsui, Eiich Maruyama 1980-06-03