SN

Shotaro Naito

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
HC Hitachi Automotive Engineering Co.: 3 patents #60 of 314Top 20%
Overall (All Time): #147,987 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
6766874 System for driving hybrid vehicle, method thereof and electric power supply system therefor Hiroshi Katada 2004-07-27
6752226 System for driving hybrid vehicle, method thereof and electric power supply system therefor Hiroshi Katada 2004-06-22
6236172 Driving system for electric vehicle Sanshiro Obara, Hiroshi Katada, Suetaro Shibukawa, Nobunori Matsudaira 2001-05-22
5808448 Method and apparatus for operating an electric vehicle having a hybrid battery 1998-09-15
5793106 Semiconductor device Akio Yasukawa, Hirohisa Yamamura, Heikichi Kuwahara, Osamu Suzuki, Masanori Muso +1 more 1998-08-11
5780980 Electric car drive system provided with hybrid battery and control method 1998-07-14
5631796 Electric vehicle control system Shigeyuki Yoshihara, Sanshiro Obara, Nobunori Matsudaira 1997-05-20
5600215 Controller for electric vehicle Hiroyuki Yamada, Sanshiro Obara 1997-02-04
5567880 Semiconductor accelerometer Yoshihiro Yokota, Toshihiko Suzuki, Akira Koide 1996-10-22
5557181 Brake control apparatus for electric motor vehicle Sanshiro Obara, Nobuyoshi Mutoh 1996-09-17
5544523 Physical quantity sensor arrangement Kaoru Uchiyama, Mitsukuni Tsutsui, Seiji Suda 1996-08-13
5476310 Braking apparatus for electric vehicle Eiichi Ohtsu, Shigeru Kuriyama 1995-12-19
5357181 Failure detection method for electric vehicles and fail-safe control method using this method Nobuyoshi Mutoh, Ryoso Masaki, Tsutomu Omae, Sanshiro Obara 1994-10-18
5228341 Capacitive acceleration detector having reduced mass portion Shigeki Tsuchitani, Seiko Suzuki, Satoshi Shimada, Masayuki Miki, Masahiro Matsumoto +1 more 1993-07-20
4970645 Suspension control method and apparatus for vehicle Masao Adachi, Makoto Shioya, Motohisa Funabashi, Seiji Suda 1990-11-13
4874053 Torque detecting apparatus Hiroshi Kimura, Kunio Miyashita, Yasuo Noto, Noboru Sugiura, Tadashi Takahashi +5 more 1989-10-17
4745319 Magneto D.C. motor having elastic magnet mounting retainers Tosio Tomite, Nobuhiko Ogasawara, Tatsuhiro Tani, Hidemitsu Kobayashi 1988-05-17
4732120 Control apparatus for internal combustion engine provided with permanent magnet type starting motor Taiji Hasegawa 1988-03-22
4665497 Electronic odometer Hirohisa Yamamura, Kozo Katogi 1987-05-12
4635034 Display apparatus for vehicle Keiichi Tokuyama, Mitsuhiro Masuda 1987-01-06
4580083 Chopper controller for a D.C. motor Tsutomu Omae, Katsuji Marumoto 1986-04-01
4564905 Trip computer for vehicles Mitsuhiro Masuda, Keiichi Tokuyama, Shizuhisa Watanabe 1986-01-14
4553196 Power source system for vehicular electronic device Keiichi Tokuyama, Shizuhisa Watanabe 1985-11-12
4500820 Protective control apparatus for electrical vehicle Yasuo Noto, Tsutomu Ohmae 1985-02-19
4398260 Skid control method Junichi Takahashi, Takanori Shibata, Keiichi Tokuyama 1983-08-09