SS

Shoji Shirai

HI Hitachi: 55 patents #211 of 28,497Top 1%
HC Hitachi Device Engineering Co.: 7 patents #48 of 514Top 10%
HC Hitachi Electronic Devices Co.: 7 patents #7 of 92Top 8%
BC Builmatel Co.: 1 patents #3 of 5Top 60%
HI Hitach: 1 patents #1 of 68Top 2%
Overall (All Time): #42,531 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
4833365 Electron gun structure for converging electron beams Hidemasa Komoro, Yoshiaki Takahashi, Masakazu Fukushima, Kazuo Majima 1989-05-23
4760308 Electron gun for color picture tubes Masaaki Yamauchi, Hiroshi Takano, Masakazu Fukushima, Tatsuo Nishimura 1988-07-26
4672261 Electron gun for color picture tube Fumio Noda, Yoshiaki Iidaka, Masaaki Yamauchi, Masakazu Fukushima 1987-06-09
4599534 Electron gun for color picture tube Masaaki Yamauchi, Yoshiaki Iidaka, Hiroshi Takano, Masakazu Fukushima 1986-07-08
4581560 Electron gun for color picture tube Masaaki Yamauchi, Kazuo Majima, Hiroshi Takano, Masakazu Fukushima 1986-04-08
4498026 Electron gun for color picture tube Masaaki Yamauchi, Minoru Yabe, Hidemasa Komoro, Kenichi Matsuda 1985-02-05
4461978 Method of driving gas discharge light-emitting devices Shigeo Mikoshiba, Shinichi Shinada 1984-07-24