SO

Saburo Oikawa

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
Overall (All Time): #327,461 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6750477 Static induction transistor Tsutomu Yatsuo, Toshiyuki Ohno, Hidekatsu Onose 2004-06-15
6226059 Active matrix display device using aluminum alloy in scanning signal line or video signal line Hideaki Yamamoto, Haruo Matsumaru, Tetsuaki Suzuki, Mitsuo Nakatani, Michio Tsukii +2 more 2001-05-01
5781255 Active matrix display device using aluminum alloy in scanning signal line or video signal line Hideaki Yamamoto, Haruo Matsumaru, Tetsuaki Suzuki, Mitsuo Nakatani, Michio Tsukii +2 more 1998-07-14
5589962 Active matrix display device using aluminum alloy in scanning signal line or video signal line Hideaki Yamamoto, Haruo Matsumaru, Tetsuaki Suzuki, Mitsuo Nakatani, Michio Tsukii +2 more 1996-12-31
5153702 Thin film semiconductor device and method for fabricating the same Takashi Aoyama, Nobutake Konishi, Takaya Suzuki, Kenji Miyata, Yoshiaki Okajima +2 more 1992-10-06
5021855 Gate turn-off thyristor Tsutomu Yatsuo, Yukimasa Satou 1991-06-04
4825270 Gate turn-off thyristor Yukimasa Satou, Tsutomu Yatsuo, Isamu Sanpei 1989-04-25
4713679 Reverse blocking type semiconductor device Yoshio Terasawa 1987-12-15
4651189 Semiconductor device provided with electrically floating control electrode Tsutomu Yatsuo, Takahiro Nagano, Yukimasa Sato, Shin Kimura, Hiroshi Fukui 1987-03-17
4646122 Semiconductor device with floating remote gate turn-off means Shin Kimura, Hiroshi Fukui, Hisao Amano, Tsutomu Yatsuo, Takahiro Nagano 1987-02-24
4626888 Gate turn-off thyristor Takahiro Nagano, Tsutomu Yatsuo, Akira Horie 1986-12-02
4514747 Field controlled thyristor with double-diffused source region Kenji Miyata, Yoshio Terasawa, Susumu Murakami, Masahiro Okamura 1985-04-30
4500903 Semiconductor GTO switching device with radially elongated cathode emitter regions of increasing length Tsutomu Yatsuo, Takahiro Nagano, Akira Horie 1985-02-19
4354121 Field controlled thyristor control circuit with additional FCT in reverse bias circuit Yoshio Terasawa, Kenji Miyata, Susumu Murakami, Masahiro Okamura, Takuzo Ogawa 1982-10-12
4329772 Method for manufacturing a semiconductor device utilizing selective epitaxial growth and post heat treating Susumu Murakami, Yoshio Terasawa 1982-05-18