TK

Tadaaki Kariya

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HC Hitachi Engineering Co.: 4 patents #38 of 572Top 7%
HS Hitachi Haramachi Semi-Conductor: 2 patents #16 of 40Top 40%
Overall (All Time): #469,875 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7193319 Semiconductor device Koji Sasaki, Shinji Hiramitsu, Satoshi Matsuyoshi, Ryouichi Kajiwara, Shosaku Ishihara 2007-03-20
5148049 Circuit for driving a capacitive load utilizing thyristors Mitsuhiko Okutsu, Kenji Abe 1992-09-15
5097160 Method of transmitting pulse signal and apparatus therefor Shigeyuki Kawahata, Susumu Murakami, Eisuke Sato, Kazunori Morozumi 1992-03-17
5083180 Lateral-type semiconductor device Masato Miura, Tatsuo Shimura, Norihiro Kawauchi, Sinichi Kurita 1992-01-21
4967100 Capacitive load driving apparatus Mitsuhiko Okutsu, Kouji Kawamoto, Syuzoh Kaneko, Yasuhiro Mashiko 1990-10-30
4833587 Semiconductor switching circuit Shigeru Sugayama, Tatsuo Shimura, Sigeo Tomita 1989-05-23
4740723 Semiconductor switch Shigeru Sugayama, Tatsuo Shimura, Sigeo Tomita 1988-04-26
4733106 Capacitive load driving device Mitsuhiko Okutsu, Tatsuo Shimura 1988-03-22
4728825 Bidirectional MOS linear switch Shigeru Sugayama, Tatsuo Shimura, Sigeo Tomita 1988-03-01
4725770 Reference voltage circuit Mitsuhiko Okutsu, Tatsuo Shimura, Kazuyoshi Masuda 1988-02-16
4298881 Semiconductor device with double moat and double channel stoppers Shuroku Sakurada, Yoichi Nakashima, Isao Kojima, Hideyuki Yagi, Masayoshi Sugiyama 1981-11-03