RM

Ryozo Masaki

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
JC Japan Servo Co.: 1 patents #92 of 161Top 60%
Overall (All Time): #658,566 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7605517 Claw pole rotating electric machine Yuji Enomoto, Motoya Ito, Shoji Ohiwa, Chio Ishihara 2009-10-20
6390064 Electronic throttle valve control apparatus Katsuji Marumoto, Masatoshi Hoshino, Minoru Ohsuga, Mitsuru Watabe 2002-05-21
6253733 Electronic throttle valve control apparatus Katsuji Marumoto, Masatoshi Hoshino, Minoru Ohsuga, Mitsuru Watabe 2001-07-03
6242882 Motor control apparatus Satoru Kaneko 2001-06-05
6225774 Motor control method and motor control system Yoshitaka Iwaji, Satoru Kaneko 2001-05-01
6055960 Electronic throttle valve control apparatus Katsuji Marumoto, Masatoshi Hoshino, Minoru Ohsuga, Mitsuru Watabe 2000-05-02
6043624 Motor control method and motor control system Yoshitaka Iwaji, Satoru Kaneko 2000-03-28
6005365 Motor control apparatus Satoru Kaneko 1999-12-21