TT

Tadashi Takahashi

HI Hitachi: 54 patents #236 of 28,497Top 1%
PE Pentax: 26 patents #54 of 761Top 8%
Canon: 13 patents #5,080 of 19,416Top 30%
PE Pentax: 10 patents #42 of 396Top 15%
FC Furukawa Electric Co.: 6 patents #331 of 2,370Top 15%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
ML Mitsubishi Petrochemical Company Limited: 5 patents #67 of 670Top 10%
SM Suzuki Motor: 5 patents #90 of 1,209Top 8%
TO Toshiba: 5 patents #173 of 2,688Top 7%
HC Hitachi Automotive Engineering Co.: 4 patents #36 of 314Top 15%
NR Nidec Read: 4 patents #9 of 61Top 15%
KI Kikkoman: 4 patents #46 of 324Top 15%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
BM Bridgestone Metalpha: 3 patents #3 of 19Top 20%
NC Nippon Electric Glass Co.: 3 patents #132 of 437Top 35%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
HS Hitachi Tohbu Semiconductor: 2 patents #78 of 223Top 35%
TW Tokyo Automatic Machinery Works: 2 patents #17 of 58Top 30%
ND Nitto Denko: 2 patents #1,207 of 2,479Top 50%
HO Hoya: 2 patents #523 of 1,290Top 45%
JP Japan Polychem: 2 patents #15 of 104Top 15%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
MP Mitsubishi Power: 2 patents #85 of 508Top 20%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
HC Hitachi Mizusawa Electronics Co.: 1 patents #8 of 28Top 30%
JC Japan Servo Co.: 1 patents #92 of 161Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NR Noda Institute For Scientific Research: 1 patents #19 of 45Top 45%
NK Nsk-Warner Kabushiki Kaisha: 1 patents #24 of 62Top 40%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
AN Anritsu: 1 patents #314 of 633Top 50%
📍 Tokyo, NY: #6 of 99 inventorsTop 7%
Overall (All Time): #4,634 of 4,157,543Top 1%
173
Patents All Time

Issued Patents All Time

Showing 126–150 of 173 patents

Patent #TitleCo-InventorsDate
5012183 Electrooptic effect element and electrical signal waveform measuring apparatus using the same Youzo Kawano, Yasuhiko Shimura, Yukihiro Takahashi 1991-04-30
4983893 Actuator with stepping motion function Kunio Miyashita, Hiroshi Hayashida, Syooichi Kawamata 1991-01-08
4977078 Plate substrate immunoassay device and method for performing a multi-test immunoassay on a specimen Toshinobu Niimura, Mutsuro Kashiba, Ko Sakai, Tokio Kano 1990-12-11
4960178 Motor-driven power steering apparatus Toshimi Abukawa, Toshiaki Okuyama, Kazuo Tahara, Katsuji Marumoto, Toshiyuki Koterazawa +6 more 1990-10-02
4951134 Color tone controller for endoscope Masaaki Nakasima 1990-08-21
4939435 Torque detecting apparatus Syooichi Kawamata, Kunio Miyashita, Ryoosoo Masaki, Shigeru Kuriyama 1990-07-03
4926960 Electric power steering apparatus for vehicle Hisatugu Ishikura, Kazuo Tahara, Toshimi Abukawa, Katsuji Marumoto, Toshiyuki Koterazaka +5 more 1990-05-22
4904937 Apparatus for magnetically detecting positions with minimum length magnetic information units recorded on a plurality of magnetic tracks Kunio Miyashita, Syooichi Kawamata 1990-02-27
4882478 Photoelectric conversion sensor with shifted arcuate elements Shigeru Hayashi, Takasui Saito, Shoji Horiuchi 1989-11-21
4875539 Electric power steering control system Toshimi Abukawa, Kazuo Tahara, Katsuji Murumoto, Toshiyuki Koterazawa, Mitsuyuki Hombu +9 more 1989-10-24
4874053 Torque detecting apparatus Hiroshi Kimura, Shotaro Naito, Kunio Miyashita, Yasuo Noto, Noboru Sugiura +5 more 1989-10-17
4865148 Vehicle height control apparatus responsive to power steering operation Katsuji Marumoto, Kazuo Tahara, Hisatugu Ishikura, Hirohisa Yamamura, Toru Tatsuzaki +5 more 1989-09-12
4840807 Branched dextrin production and compositions containing same Tsukasa Yoshida, Yoshio Ishige, Masaki Matsudaira 1989-06-20
4818939 Apparatus for magnetically detecting position or speed or moving body utilizing bridge circuit with series connected MR elements Seizi Yamashita, Kunio Miyashita, Syooichi Kawamata 1989-04-04
4796146 Protection circuit for a thyristor converter 1989-01-03
4786870 Magnetic sensor for magnetically detecting the position of a movable body Syooichi Kawamata, Kunio Miyashita 1988-11-22
4785388 Gate pulse generator for thyristor converter 1988-11-15
4766376 Magnetic position detector for detecting an absolute position of a movable member Kunio Miyashita, Syouichi Kawamata 1988-08-23
4713613 Device for magnetically detecting displacement of non-magnetic movable member Kunio Miyashita, Syooichi Kawamata 1987-12-15
4707695 Magnetic position sensor Kunio Miyashita, Syooichi Kawamata 1987-11-17
4694688 Crank angle sensor Kunio Miyashita, Syooichi Kawamata 1987-09-22
4677377 Position-detecting sensor for detecting position of a moving object utilizing magnetism Kunio Miyashita, Syoichi Kawamata 1987-06-30
4676593 Eyepiece and photographing device for fiberscope Rensuke Adachi 1987-06-30
4675720 Enclosed thyristor valve Hiroo Ikegame 1987-06-23
4639807 Magnetic detector having magnetoresistive elements Sadao Sekizawa, Toshio Seki 1987-01-27