EO

Eiichi Ohtsu

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
HC Hitachi Car Engineering Co.: 2 patents #204 of 465Top 45%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Overall (All Time): #469,132 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7617673 Controller for internal combustion engine Tadatsugu Udono, Takashi Okada, Minoru Ohsuga 2009-11-17
6255798 Control apparatus for electric vehicle Sanshiro Obara, Ryoso Masaki, Yuusuke Takamoto, Hiroyuki Yamada 2001-07-03
6194865 Control method and system for electric rotary machine Toshisada Mitsui, Nobunori Matsudaira 2001-02-27
6046553 Electrical vehicle control device having fail-safe Yasuo Matsunaga, Hiroyuki Yamada 2000-04-04
6020696 Control device and method for controlling synchronous motor of electric vehicle Yasuo Matsunaga, Kazuya Takahashi, Hiroshi Katada 2000-02-01
5877601 Control system for electric vehicle and control method therefor in which an inverter relay is controlled at the time of its re-closing after being disconnected Sanshiro Obara, Hiroshi Katada, Nobunori Matsudaira, Ryoso Masaki 1999-03-02
5476310 Braking apparatus for electric vehicle Shotaro Naito, Shigeru Kuriyama 1995-12-19
5167127 Car air conditioner 1992-12-01
4877081 Air-conditioning apparatus for automobiles 1989-10-31
4865119 Air conditioner system for automotive vehicles Tsugihiro Okada, Tetsuho Yokoyama 1989-09-12
4364428 Automatic air-conditioning apparatus Takanori Shibata 1982-12-21