MI

Masahiko Ibamoto

HI Hitachi: 55 patents #211 of 28,497Top 1%
HC Hitachi Car Engineering Co.: 9 patents #46 of 465Top 10%
HC Hitachi Automotive Engineering Co.: 7 patents #4 of 314Top 2%
HC Hitachi Cable: 2 patents #313 of 1,086Top 30%
HC Hitachi, Ltd. And Hitachi Car Engineering, Co.: 1 patents #1 of 26Top 4%
📍 Ibaraki, JP: #58 of 6,779 inventorsTop 1%
Overall (All Time): #40,706 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
4388573 Electric vehicle control device Michimasa Horiuchi, Kiyoshi Nemoto 1983-06-14
4345190 Chopper control system Michimasa Horiuchi, Hideaki Rokutan 1982-08-17
4338558 Induction motor control system and method Shigetoshi Okamatsu, Takashi Tsuboi, Hiroshi Narita 1982-07-06
4335337 Control system for electric motor vehicle Shigetoshi Okamatsu, Takashi Tsuboi, Hiroshi Narita 1982-06-15
4327313 Control apparatus for electric car Takashi Tsuboi, Shigetoshi Okamatsu, Hiroshi Narita, Eiji Kozu 1982-04-27
4315203 Control system for induction motor-driven car Hiroshi Narita, Noboru Oouchi, Shigetoshi Okamatsu 1982-02-09
4284934 Motor control apparatus with an improved thyristor chopper circuit Hiroshi Narita, Michimasa Horiuchi, Hideaki Rokutan 1981-08-18
4209733 Motor control apparatus with an improved thyristor chopper circuit Hiroshi Narita, Jinichi Toyama 1980-06-24
4199711 Control apparatus for electric motor vehicles Michimasa Horiuchi, Jinichi Toyama 1980-04-22