AN

Akio Nakagawa

KT Kabushiki Kaisha Toshiba: 144 patents #36 of 21,451Top 1%
FC Fuji Electric Co.: 7 patents #338 of 2,643Top 15%
Canon: 5 patents #9,253 of 19,416Top 50%
DE Denso: 4 patents #3,129 of 11,792Top 30%
MC Mitsumi Electric Co.: 3 patents #259 of 935Top 30%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
TE Tokyo Shibaura Electric: 1 patents #96 of 337Top 30%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
📍 Yokohama, MA: #3 of 47 inventorsTop 7%
Overall (All Time): #4,894 of 4,157,543Top 1%
168
Patents All Time

Issued Patents All Time

Showing 101–125 of 168 patents

Patent #TitleCo-InventorsDate
5640040 High breakdown voltage semiconductor device Norio Yasuhara, Tomoko Matsudai, Yoshihiro Yamaguchi, Ichiro Omura, Hideyuki Funaki 1997-06-17
5637909 Semiconductor device and method of manufacturing the same Hiroomi Nakajima, Yasuhiro Katsumata, Hiroshi Iwai, Toshihiko Iinuma, Kazumi Inou +3 more 1997-06-10
5606689 Data processing apparatus including external storage previously reserved to be allocated to job groups 1997-02-25
5592014 High breakdown voltage semiconductor device Hideyuki Funaki, Norio Yasuhara, Tomoko Matsudai, Yoshihiro Yamaguchi, Ichiro Omura 1997-01-07
5585651 Insulated-gate semiconductor device having high breakdown voltages Mitsuhiko Kitagawa, Ichiro Omura, Norio Yasuhara, Tomoki Inoue 1996-12-17
5548150 Field effect transistor Ichiro Omura, Tadashi Sakai, Masayuki Sekimura, Hideyuki Funaki 1996-08-20
5536961 High breakdown voltage semiconductor device Norio Yasuhara, Tomoko Matsudai 1996-07-16
5512774 Dielectrically isolated substrate and semiconductor device using the same Kazuyoshi Furukawa, Isuneo Ogura, Kastsujino Tanzawa 1996-04-30
5510647 Semiconductor device and method of manufacturing the same Hiroomi Nakajima, Yasuhiro Katsumata, Hiroshi Iwai, Toshihiko Iinuma, Kazumi Inou +3 more 1996-04-23
5477065 Lateral thin film thyristor with bevel Tsuneo Ogura 1995-12-19
5464994 Insulated-gate thyristor Takashi Shinohe, Kazuya Nakayama, Minami Takeuchi, Masakazu Yamaguchi, Mitsuhiko Kitagawa +1 more 1995-11-07
5463231 Method of operating thyristor with insulated gates Tsuneo Ogura, Kiminori Watanabe, Yoshihiro Yamaguchi, Norio Yasuhara, Tomoko Matsudai +2 more 1995-10-31
5448083 Insulated-gate semiconductor device Mitsuhiko Kitagawa, Ichiro Omura, Norio Yasuhara, Tomoki Inoue 1995-09-05
5438220 High breakdown voltage semiconductor device Norio Yasuhara, Tomoko Matsudai, Yoshihiro Yamaguchi, Ichiro Omura, Hideyuki Funaki 1995-08-01
5434444 High breakdown voltage semiconductor device Norio Yasuhara, Tomoko Matsudai 1995-07-18
5428228 Method of operating thyristor with insulated gates Tsuneo Ogura, Kiminori Watanabe, Yoshihiro Yamaguchi, Norio Yasuhara, Tomoko Matsudai +2 more 1995-06-27
5381026 Insulated-gate thyristor Takashi Shinohe, Kazuya Nakayama, Minami Takeuchi, Masakazu Yamaguchi, Mitsuhiko Kitagawa +1 more 1995-01-10
5378920 High breakdown voltage semiconductor device Norio Yasuhara 1995-01-03
5369734 Method for processing and displaying hidden-line graphic images Yoshie Suzuki, Shin Nakamura 1994-11-29
5343067 High breakdown voltage semiconductor device Norio Yasuhara, Tomoko Matsudai 1994-08-30
5332920 Dielectrically isolated high and low voltage substrate regions Kazuyoshi Furukawa, Tsuneo Ogura, Katsujiro Tanzawa 1994-07-26
5323041 High-breakdown-voltage semiconductor element Ken'ichi Matsushita, Ichiro Omura 1994-06-21
5315134 Thyristor with insulated gate Tsuneo Ogura, Kiminori Watanabe, Yoshihiro Yamaguchi, Norio Yasuhara, Tomoko Matsudai 1994-05-24
5294825 High breakdown voltage semiconductor device Norio Yasuhara 1994-03-15
5286984 Conductivity modulated MOSFET Hiromichi Ohashi, Yoshihiro Yamaguchi, Kiminori Watanabe, Thuneo Thukakoshi 1994-02-15