KM

Kazuo Majima

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HC Hitachi Device Engineering Co.: 1 patents #292 of 514Top 60%
HC Hitachi Mizusawa Electronics Co.: 1 patents #8 of 28Top 30%
Overall (All Time): #668,560 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5701061 Cathode-ray tube apparatus and yoke Nobutaka Okuyama, Soichi Sakurai, Kouji Kitou, Hiroki Oguro, Isao Yoshimi +5 more 1997-12-23
5475287 Cathode-ray tube apparatus and yoke Nobutaka Okuyama, Soichi Sakurai, Kouji Kitou, Hiroki Oguro, Isao Yoshimi +5 more 1995-12-12
5319459 Method and apparatus for checking defect on display screen Jun Mochizuki, Atsushi Yoshida, Toshio Asano, Kinuyo Hagimae, Daisuke Katsuta +2 more 1994-06-07
5196761 Color cathode-ray tube Tohru Sano 1993-03-23
4833364 Electron gun for color picture tubes having uniquely formed lens apertures Yukihiro Izumida, Shoji Shirai, Hidemasa Komoro, Akio Yamaguchi 1989-05-23
4833365 Electron gun structure for converging electron beams Shoji Shirai, Hidemasa Komoro, Yoshiaki Takahashi, Masakazu Fukushima 1989-05-23
4622491 Electron gun for color picture tube with electrostatic focussing lens Yukihiro Izumida, Hidemasa Komoro, Masakatsu Horiuchi, Mamoru Ikeda 1986-11-11
4581560 Electron gun for color picture tube Shoji Shirai, Masaaki Yamauchi, Hiroshi Takano, Masakazu Fukushima 1986-04-08