TK

Toshiyuki Koterazawa

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HC Hitachi Automotive Engineering Co.: 3 patents #60 of 314Top 20%
Overall (All Time): #892,074 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5239490 Device for detecting rotation of rotary shaft and rotation controlling apparatus using the same Ryoso Masaki, Kazuo Tahara, Kunio Miyashita, Yoshikazu Hoshi, Tadashi Takahashi +1 more 1993-08-24
5033565 Motor-driven power steering apparatus Toshimi Abukawa, Toshiaki Okuyama, Kazuo Tahara, Katsuji Marumoto, Mitsuyuki Hombu +6 more 1991-07-23
4960178 Motor-driven power steering apparatus Toshimi Abukawa, Toshiaki Okuyama, Kazuo Tahara, Katsuji Marumoto, Mitsuyuki Hombu +6 more 1990-10-02
4875539 Electric power steering control system Toshimi Abukawa, Kazuo Tahara, Katsuji Murumoto, Mitsuyuki Hombu, Tadashi Takahashi +9 more 1989-10-24
4869334 Electric motor-driven power steering apparatus Katsuji Marumoto, Tsutomu Ohmae, Kazuaki Tobari 1989-09-26
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