SK

Syooichi Kawamata

HI Hitachi: 16 patents #2,438 of 28,497Top 9%
Overall (All Time): #280,730 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5561366 Current sensor system and detection method comprising magetoresistance element, biasing conductor and current measurement conductor on insulating substrate Tadashi Takahashi, Shigeki Morinaga 1996-10-01
5453972 Optical disk apparatus Hiroshi Kanazawa, Fumio Tajima, Ryoichi Naganuma, Nobuyoshi Mutoh, Tadashi Takahashi +3 more 1995-09-26
5351027 Magnetic sensor Tadashi Takahashi, Shigeki Morinaga 1994-09-27
RE34443 Apparatus magnetically detecting position or speed of moving body utilizing bridge circuit with series connected MR elements Tadashi Takahashi, Seizi Yamashita, Kunio Miyashita 1993-11-16
5245232 Linear actuator Hideki Nihei, Hideaki Horie, Shigeki Morinaga, Nobuyoshi Mutoh 1993-09-14
5218279 Method and apparatus for detection of physical quantities, servomotor system utilizing the method and apparatus and power steering apparatus using the servomotor system Tadashi Takahashi, Shigeki Morinaga 1993-06-08
5019776 Magnetic position detection apparatus having two magnetic recording medium tracks with magnetoresistors arranged in a bridge circuit so as to eliminate even order harmonic distortion Tadashi Takahashi, Kunio Miyashita 1991-05-28
4983893 Actuator with stepping motion function Kunio Miyashita, Hiroshi Hayashida, Tadashi Takahashi 1991-01-08
4939435 Torque detecting apparatus Tadashi Takahashi, Kunio Miyashita, Ryoosoo Masaki, Shigeru Kuriyama 1990-07-03
4904937 Apparatus for magnetically detecting positions with minimum length magnetic information units recorded on a plurality of magnetic tracks Tadashi Takahashi, Kunio Miyashita 1990-02-27
4874053 Torque detecting apparatus Hiroshi Kimura, Shotaro Naito, Kunio Miyashita, Yasuo Noto, Noboru Sugiura +5 more 1989-10-17
4818939 Apparatus for magnetically detecting position or speed or moving body utilizing bridge circuit with series connected MR elements Tadashi Takahashi, Seizi Yamashita, Kunio Miyashita 1989-04-04
4786870 Magnetic sensor for magnetically detecting the position of a movable body Tadashi Takahashi, Kunio Miyashita 1988-11-22
4713613 Device for magnetically detecting displacement of non-magnetic movable member Tadashi Takahashi, Kunio Miyashita 1987-12-15
4707695 Magnetic position sensor Tadashi Takahashi, Kunio Miyashita 1987-11-17
4694688 Crank angle sensor Tadashi Takahashi, Kunio Miyashita 1987-09-22
4594548 Multi phase magnetic sensor apparatus for detecting the position of moving member Tadashi Takahashi, Kunio Miyashita, Shigeki Morinaga 1986-06-10