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 51–75 of 81 patents

Patent #TitleCo-InventorsDate
5610428 Semiconductor integrated circuit Yukio Suzuki, Haruo Konishi 1997-03-11
5589705 Real-time semiconductor radiation detector Yutaka Saito 1996-12-31
5585304 Method of making semiconductor device with multiple transparent layers Yutaka Hayashi, Kunihiro Takahashi, Hiroaki Takasu, Hitoshi Niwa, Nobuyoshi Matsuyama +2 more 1996-12-17
5574292 Semiconductor device with monosilicon layer Kunihiro Takahashi, Hiroaki Takasu, Tsuneo Yamazaki, Tadao Iwaki 1996-11-12
5572045 Light valve device using semiconductive composite substrate Kunihiro Takahashi, Hiroaki Takasu, Nobuyoshi Matsuyama, Hitoshi Niwa, Tomoyuki Yoshino +1 more 1996-11-05
5486716 Semiconductor integrated circuit device with electrostatic damage protection Yutaka Saito, Jun Osanai, Masaaki Kamiya 1996-01-23
5486708 Light valve device using semiconductive composite substrate Kunihiro Takahashi, Hiroaki Takasu, Nobuyoshi Matsuyama, Hitoshi Niwa, Tomoyuki Yoshino +1 more 1996-01-23
5463238 CMOS structure with parasitic channel prevention Kunihiro Takahashi, Masaaki Kamiya, Hiroaki Takasu 1995-10-31
5449637 Method of producing low and high voltage MOSFETs with reduced masking steps Yutaka Saito, Kazutoshi Ishii 1995-09-12
5434433 Semiconductor device for a light wave Hiroaki Takasu, Kunihiro Takahashi, Tsuneo Yamazaki, Tadao Iwaki 1995-07-18
5347154 Light valve device using semiconductive composite substrate Kunihiro Takahashi, Hiroaki Takasu, Nobuyoshi Matsuyama, Hitoshi Niwa, Tomoyuki Yoshino +1 more 1994-09-13
5262987 Floating gate semiconductor nonvolatile memory having impurity doped regions for low voltage operation 1993-11-16
D339513 Ashtray with air-cleaner 1993-09-21
5233211 Semiconductor device for driving a light valve Yutaka Hayashi, Masaaki Kamiya, Hiroaki Takasu 1993-08-03
5136540 Non-volatile semiconductor memory for volatiley and non-volatiley storing information and writing method thereof Yutaka Hayashi, Ryoji Takada, Masaaki Kamiya 1992-08-04
5124272 Method of producing field effect transistor Naoto Saito, Kenji Aoki, Tadao Akamine, Kunihiro Takahashi, Masahiko Kinbara 1992-06-23
5053842 Semiconductor nonvolatile memory 1991-10-01
D318437 Siren for fire alarm Seita Moriya 1991-07-23
4996995 Ashtray 1991-03-05
4963855 Warning sound generating device 1990-10-16
4952907 Motor driven bell 1990-08-28
4943943 Read-out circuit for semiconductor nonvolatile memory Yutaka Hayashi, Masaaki Kamiya, Kojiro Tanaka 1990-07-24
4902885 Photoelectric conversion type rotational position detector Takao Yanase, Mitsuharu Nonami, Takao Chida 1990-02-20
4885572 Anti-theft alarm device for vehicle Keisuke Iwata 1989-12-05
4821236 Semiconductor nonvolatile memory Yutaka Hayashi, Masaaki Kamiya, Kojiro Tanaka 1989-04-11