AN

Akihito Numata

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
HC Hitachi Car Engineering Co.: 8 patents #53 of 465Top 15%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
Overall (All Time): #296,870 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10508608 Control device for engine Shinji Nakagawa, Toshio Hori 2019-12-17
10012160 Control device and control method of engine Shinji Nakagawa, Eisaku Fukuchi 2018-07-03
9429089 Control device of engine Shinji Nakagawa, Eisaku Fukuchi 2016-08-30
8573185 Diagnostic device for internal-combustion engine Ryusei Miura, Yoichi Iihoshi, Eisaku Fukuchi, Yoshikuni Kurashima 2013-11-05
8190351 Diagnostic control apparatus for internal combustion engines Eisaku Fukuchi, Heikichi Kamoshita 2012-05-29
8011174 Apparatus for diagnosing exhaust gas purifying device Eisaku Fukuchi, Kenichi Kotabe, Heikichi Kamoshida, Kenji Mizushima 2011-09-06
6474145 Combustion state detection system for internal combustion engine Eisaku Fukuchi, Takanobu Ichihara 2002-11-05
6003309 Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine Rogelio B. Agustin, Eisaku Fukuchi, Yutaka Takaku, Toshio Ishii 1999-12-21
5991684 Apparatus and method of detecting combustion state of internal combustion engine and recording medium storing program for execution of the detecting method Eisaku Fukuchi 1999-11-23
5991685 Combustion state detection system for internal combustion engine Eisaku Fukuchi, Takanobu Ichihara 1999-11-23
5951618 Detector device for combustion state in internal combustion engine Eisaku Fukuchi, Takanobu Ichihara, Toshio Ishii 1999-09-14
5828976 Detector device for combustion state in internal combustion engine Eisaku Fukuchi, Takanobu Ichihara, Toshio Ishii 1998-10-27
5758491 Diagnosing system and method of catalytic converter for controlling exhaust gas of internal combustion engine Rogelio B. Agustin, Kazuya Kawano, Yutaka Takaku, Toshio Ishii 1998-06-02
5740676 Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine Rogelio B. Agustin, Eisaku Fukuchi, Yutaka Takaku, Toshio Ishii 1998-04-21
5557933 Malfunction diagnosis apparatus for internal combustion engine Takashi Mukaihira, Toshio Ishii, Yutaka Takaku, Kazuya Kawano 1996-09-24
5400592 Diagnostic apparatus for catalytic converter of an internal combustion engine Takashi Mukaihira, Toshio Ishii, Yutaka Takaku 1995-03-28