HY

Hiroshisa Yamamura

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HC Hitachi Automotive Engineering Co.: 2 patents #95 of 314Top 35%
Overall (All Time): #2,317,892 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5033565 Motor-driven power steering apparatus Toshimi Abukawa, Toshiaki Okuyama, Kazuo Tahara, Katsuji Marumoto, Toshiyuki Koterazawa +6 more 1991-07-23
4875539 Electric power steering control system Toshimi Abukawa, Kazuo Tahara, Katsuji Murumoto, Toshiyuki Koterazawa, Mitsuyuki Hombu +9 more 1989-10-24