TT

Tadashi Takahashi

HI Hitachi: 4 patents #64 of 2,935Top 3%
HC Hitachi Automotive Engineering Co.: 1 patents #1 of 38Top 3%
KT Kabushiki Kaisha Toshiba: 1 patents #376 of 1,409Top 30%
📍 Tokyo, NY: #2 of 24 inventorsTop 9%
Overall (1989): #936 of 140,708Top 1%
7
Patents 1989

Issued Patents 1989

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
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