RM

Ryoso Masaki

HI Hitachi: 5 patents #26 of 3,149Top 1%
HC Hitachi Automotive Engineering Co.: 1 patents #4 of 46Top 9%
Overall (1994): #2,644 of 165,921Top 2%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5355749 Control apparatus and control method for motor drive vehicle Sanshiro Obara, Toshiaki Okuyama, Tsutomu Ohmae, Keigo Naoi, Makoto Shioya 1994-10-18
5357181 Failure detection method for electric vehicles and fail-safe control method using this method Nobuyoshi Mutoh, Tsutomu Omae, Sanshiro Obara, Shotaro Naito 1994-10-18
5345155 Control system for electric vehicle Yuusuke Takamoto, Sanshiro Obara, Hirohisa Yamamura, Hiroyuki Yamada 1994-09-06
5309073 Electric vehicle control device Satoru Kaneko, Sanshiro Obara, Tsutomu Ohmae, Yuusuke Takamoto, Hirohisa Yamamura 1994-05-03
5304912 Control apparatus for induction motor Kenzo Kajiwara, Hiroshi Hamano, Hirohisa Yamamura 1994-04-19