RM

Ryoso Masaki

HI Hitachi: 4 patents #68 of 2,942Top 3%
HC Hitachi Automotive Engineering Co.: 1 patents #12 of 57Top 25%
Overall (1997): #6,053 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5677604 Control system and control method for electric automobile Nobuyoshi Mutoh, Satoru Kaneko, Sanshiro Obara 1997-10-14
5650700 Electric vehicle torque controller Nobuyoshi Mutoh, Taizou Miyazaki, Tsutomu Ohmae, Sanshiro Obara 1997-07-22
5631819 Power converter Takashi Ikimi, Hironori Ohashi, Yuusuke Takamoto, Seiji Ishida, Sanshiro Obara 1997-05-20
5610483 Control equipment for electric vehicle and control method thereof Sanshiro Obara, Hiroyuki Yamada, Nobunori Matsudaira 1997-03-11