YK

Yoshikazu Kojima

SI Seiko Instruments: 63 patents #6 of 1,437Top 1%
AT Agency Of Industrial Science And Technology: 8 patents #17 of 1,778Top 1%
KC Kobishi Electric Co.: 6 patents #3 of 13Top 25%
DS Daini Seikosha: 5 patents #13 of 155Top 9%
SE Seiko Instruments & Electronics: 2 patents #33 of 164Top 25%
AS Agency Of Industrial Science: 1 patents #2 of 27Top 8%
IC Iwata Electric Co.: 1 patents #2 of 4Top 50%
SK Seiko Seiki Kabushiki Kaisha: 1 patents #47 of 125Top 40%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Overall (All Time): #22,309 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 26–50 of 81 patents

Patent #TitleCo-InventorsDate
5998974 Charge/discharge control circuit and chargeable electric power source apparatus Minoru Sudo, Takayuki Takashina, Sadashi Shimoda, Hiroshi Mukainakano 1999-12-07
5982002 Light valve having a semiconductor film and a fabrication process thereof Hiroaki Takasu, Kunihiro Takahashi 1999-11-09
5982461 Light valve device Yutaka Hayashi, Masaaki Kamiya, Hiroaki Takasu 1999-11-09
5982150 Charge/discharge control circuit and chargeable electric power source apparatus Minoru Sudo, Takayuki Takashina, Sadashi Shimoda, Hiroshi Mukainakano 1999-11-09
5971836 Grinding machine Toshiharu Kogure, Katsura Tomotaki, Jun Osanai 1999-10-26
5965921 High voltage inverter circuit 1999-10-12
5950085 Method of manufacturing electrically erasable semiconductor non-volatile memory device Tetsuya Maeda 1999-09-07
5926699 Method of fabricating semiconductor device having stacked layer substrate Yutaka Hayashi, Masaaki Kamiya, Hiroaki Takasu 1999-07-20
5925574 Method of producing a bipolar transistor Kenji Aoki, Tadao Akamine 1999-07-20
5849612 MOS poly-si thin film transistor with a flattened channel interface and method of producing same Hiroshi Takahashi 1998-12-15
5841265 Charge/discharge control circuit and chargeable electric power source apparatus Minoru Sudo, Takayuki Takashina, Sadashi Shimoda, Hiroshi Mukainakano 1998-11-24
5834809 MIS transistor semiconductor device Yuichi Kato 1998-11-10
5825064 Semiconductor volatile/nonvolatile memory Yutaka Hayashi, Ryoji Takada, Masaaki Kamiya 1998-10-20
5759878 Method of fabricating semiconductor device having epitaxially grown semiconductor single crystal film Yutaka Hayashi, Masaaki Kamiya, Hiroaki Takasu 1998-06-02
5757040 Real-time semiconductor radiation detector Yutaka Saito 1998-05-26
5753530 Impurity doping method with diffusion source of boron-silicide film Tadao Akamine, Naoto Saito, Kenji Aoki 1998-05-19
5742148 Charge/discharge control circuit and chargeable electric power source apparatus Minoru Sudo, Takayuki Takashina, Sadashi Shimoda, Hiroshi Mukainakano 1998-04-21
5728591 Process for manufacturing light valve device using semiconductive composite substrate Kunihiro Takahashi, Hiroaki Takasu, Nobuyoshi Matsuyama, Hitoshi Niwa, Tomoyuki Yoshino +1 more 1998-03-17
5712496 MOS Poly-Si thin film transistor with a flattened channel interface and method of producing same Hiroshi Takahashi 1998-01-27
5672518 Method of fabricating semiconductor device having stacked layered substrate Yutaka Hayashi, Masaaki Kamiya, Hiroaki Takasu 1997-09-30
5665960 Photoelectric converter device and method of manufacturing the same Satoshi Machida, Yukito Kawahara, Masahiro Yokomichi 1997-09-09
5663589 Current regulating semiconductor integrated circuit device and fabrication method of the same Yutaka Saitoh, Jun Osanai, Kazutoshi Ishii 1997-09-02
5637187 Light valve device making Hiroaki Takasu, Masaaki Kamiya, Tsuneo Yamazaki, Hiroshi Suzuki, Masaaki Taguchi +2 more 1997-06-10
5633176 Method of producing a semiconductor device for a light valve Hiroaki Takasu, Kunihiro Takahashi, Tsuneo Yamazaki, Tadao Iwaki 1997-05-27
5618739 Method of making light valve device using semiconductive composite substrate Kunihiro Takahashi, Hiroaki Takasu, Nobuyoshi Matsuyama, Hitoshi Niwa, Tomoyuki Yoshino +1 more 1997-04-08