HK

Hiroshi Katada

HI Hitachi: 16 patents #2,438 of 28,497Top 9%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
HC Hitachi Car Engineering Co.: 1 patents #275 of 465Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #302,220 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6766874 System for driving hybrid vehicle, method thereof and electric power supply system therefor Shotaro Naito 2004-07-27
6752226 System for driving hybrid vehicle, method thereof and electric power supply system therefor Shotaro Naito 2004-06-22
6329781 Control apparatus of synchronous motors Hirokazu Matsui, Takefumi Sawada 2001-12-11
6236172 Driving system for electric vehicle Sanshiro Obara, Suetaro Shibukawa, Nobunori Matsudaira, Shotaro Naito 2001-05-22
6020696 Control device and method for controlling synchronous motor of electric vehicle Yasuo Matsunaga, Kazuya Takahashi, Eiichi Ohtsu 2000-02-01
5990657 Inverter system and control system for electric vehicle Ryoso Masaki, Yuusuke Takamoto, Satoru Kaneko, Fumio Tajima 1999-11-23
5914582 Permanent magnet synchronous motor controller and electric vehicle controller Yuusuke Takamoto, Ryoso Masaki, Sanshiro Obara 1999-06-22
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, Nobunori Matsudaira, Eiichi Ohtsu, Ryoso Masaki 1999-03-02
5677611 Control apparatus for an electric vehicle Shigeyuki Yoshihara 1997-10-14
4715353 Ultrasonic wave type fuel atomizing apparatus for internal combustion engine Hiroshi Koike, Hiroshi Yoneda 1987-12-29
4627399 Load detecting apparatus and ignition control apparatus for internal combustion engines Tatsuya Yoshida 1986-12-09
4615318 Ignition apparatus for internal combustion engine Kosuke Imoto 1986-10-07
4503823 Ignition timing control apparatus for internal combustion engine Suetaro Shibukawa 1985-03-12
4292942 Ignition system for internal combustion engines Yoshito Kyogoku 1981-10-06
4292943 Contactless ignition system for use with internal combustion engines Yoshito Kyogoku 1981-10-06
4284046 Contactless ignition system for internal combustion engine Hideyuki Hashimoto, Yoshito Kyogoku 1981-08-18