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 26–50 of 57 patents

Patent #TitleCo-InventorsDate
6097143 Color cathode ray tube having a small neck diameter Go Uchida, Kazuhisa Oshita 2000-08-01
6051919 Color cathode ray tube with electrostatic quadrupole lens Kenichi Watanabe, Masayoshi Furuyama 2000-04-18
6031346 Cathode ray tube with low dynamic correction voltage Kenichi Watanabe 2000-02-29
6025674 Color cathode ray tube having a low dynamic focus voltage Tutomu Tojyou, Shinichi Kato 2000-02-15
5942844 Color cathode ray tube having a small neck diameter Tomoki Nakamura, Go Uchida, Shinichi Kato, Kenichi Watanabe, Mamoru Tsuzurahara 1999-08-24
5932958 Color cathode ray tube having beam passageways with barrel-like segment Kenichi Watanabe 1999-08-03
5909080 Color cathode ray tube having a small neck diameter Go Uchida, Kazuhisa Oshita 1999-06-01
5861710 Color cathode ray tube with reduced moire Go Uchida, Kenichi Watanabe 1999-01-19
5847502 Color cathode ray tube having a small neck diameter Go Uchida, Kazuhisa Oshita 1998-12-08
5828191 Cathode ray tube with low dynamic correction voltage Kenichi Watanabe 1998-10-27
5739630 Color cathode ray tube Kenichi Watanabe, Masayoshi Furuyama 1998-04-14
5739631 Color cathode ray tube having a low dynamic focus voltage Tutomu Tojyou, Shinichi Kato 1998-04-14
5710480 Color cathode ray tube having a small neck diameter Go Uchida, Kazuhisa Oshita 1998-01-20
5668435 Color display system with color cathode ray tube having a high breakdown voltage Go Uchida, Takashi Kinami, Noboru Mizukami 1997-09-16
5625252 Main lens structure for a color cathode ray tube Mamoru Tsuzurahara 1997-04-29
5610481 Cathode ray tube with low dynamic correction voltage Kenichi Watanabe 1997-03-11
5608284 Color cathode ray tube having a low dynamic focus voltage Tutomu Tojyou, Shinichi Kato 1997-03-04
5606216 Color cathode-ray tube with reduced moire Go Uchida, Takashi Kinami, Noboru Mizukami 1997-02-25
5466983 Cathode ray tube with improved resolution Kenichi Watanabe, Shoichi Wakita 1995-11-14
5414323 In-line type electron gun assembly including electrode units having electron beam passage holes of different sizes for forming an electrostatic lens Go Uchida, Masayoshi Misono 1995-05-09
5146133 Electron gun for color cathode ray tube Satoru Miyamoto, Kazunari Noguchi, Masahiro Miyazaki 1992-09-08
5015910 Electron gun for color picture tube Yoshiaki Takahashi, Sakae Ishii, Masayoshi Furuyama 1991-05-14
4965489 Electron gun for cathode-ray tube Masaaki Yamauchi, Yasuo Tanaka 1990-10-23
4851741 Electron gun for color picture tube Yoshiaki Takahashi, Masaaki Yamauchi, Masayoshi Furuyama, Kazunari Noguchi, Sakae Ishii 1989-07-25
4833364 Electron gun for color picture tubes having uniquely formed lens apertures Yukihiro Izumida, Hidemasa Komoro, Kazuo Majima, Akio Yamaguchi 1989-05-23