KH

Keizo Hiraku

TO Toyota: 17 patents #1,469 of 26,838Top 6%
DE Denso: 5 patents #2,617 of 11,792Top 25%
Overall (All Time): #277,961 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8551908 Exhaust gas purification catalyst Akemi Satou, Masahiko Takeuchi, Yusuke Kawamura, Takahiro Fujiwara, Tadashi Suzuki +1 more 2013-10-08
7610898 Apparatus and method for controlling idle speed of internal combustion engine Noboru Takagi, Kiyoo Hirose, Hirohiko Yamada 2009-11-03
7464693 Internal combustion engine including plural cylinders, control apparatus and control method for internal combustion engine including plural cylinders Akira Hashizume, Takashi Tsunooka, Hirohiko Yamada, Masakazu Yamada 2008-12-16
7363889 Control device for multicylinder internal combustion engine Takashi Tsunooka, Yukihiro Nakasaka, Akira Hashizume, Hiroshi Kanai, Naohide Fuwa +1 more 2008-04-29
7121260 Ignition timing control apparatus for engine Yuji Miyanoo, Kiyoo Hirose, Noboru Takagi 2006-10-17
7082923 Idling speed control system and method Takashi Yui, Noboru Takagi, Kiyoo Hirose, Hirohiko Yamada 2006-08-01
7066145 Intake air amount control apparatus and intake air amount control method for internal combustion engines Akira Hashizume, Hirohiko Yamada 2006-06-27
7032550 Inter-cylinder variation detection device and inter-bank variation detection device of internal combustion engine Kaoru Ohtsuka, Takashi Tsunooka 2006-04-25
6989978 Power circuit device for vehicles and control method thereof Hideki Suzuki 2006-01-24
6848422 Control system and method for internal combustion engine with variable valve mechanism Akira Hashizume, Hiroshi Kanai, Yukihiro Nakasaka 2005-02-01
6834627 Intake air amount control apparatus and method of internal combustion engine Naohide Fuwa, Hirohiko Yamada, Takahiro Yamanashi 2004-12-28
6792929 Method for detecting failure of injection fuel heaters of internal combustion engine Hiroshi Kanai, Toru Kidokoro, Hideki Suzuki, Kazuki Sato 2004-09-21
6732707 Control system and method for internal combustion engine Toru Kidokoro, Hiroshi Kanai, Toshiki Annoura, Hideki Suzuki 2004-05-11
6712038 Intake device for an internal combustion engine and method thereof Toshiki Annoura, Hideki Suzuki 2004-03-30
6691675 Warm-up control apparatus and warm-up control method for internal combustion engine Toru Kidokoro, Hiroshi Kanai 2004-02-17
6651602 Heater control apparatus and heater control method Nobuhiko Koga, Hideki Suzuki 2003-11-25
6501050 Fuel heating control method and system Nobuhiko Koga, Hideki Suzuki 2002-12-31