AK

Akira Kiyomura

HS Hitachi Automotive Systems: 5 patents #333 of 1,636Top 25%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
FI Fuji Heavy Industries: 3 patents #3 of 86Top 4%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
SU Subaru: 1 patents #677 of 1,436Top 50%
HA Hitachi Unisia Automotive: 1 patents #26 of 62Top 45%
JC Japan Electronic Control Systems Co.: 1 patents #38 of 86Top 45%
Overall (All Time): #363,258 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12392646 Diagnostic apparatus and diagnostic method for rotational angle sensor, and control apparatus for actuator 2025-08-19
12297784 Control device for variable compression ratio mechanism, and diagnostic method for same Yuya Shinozaki 2025-05-13
10712173 Diagnostic apparatus and diagnostic method for rotational angle sensor, and control apparatus for actuator 2020-07-14
10012152 Control device and control method for internal combustion engine Yuya Shinozaki, Naoki Okamoto 2018-07-03
9903301 Control apparatus with range control to suppress interference for internal combustion engine, and method thereof Yuya Shinozaki, Naoki Okamoto 2018-02-27
9822711 Control device for internal combustion engine 2017-11-21
9816452 Control device and control method for internal combustion engine 2017-11-14
7836758 Deterioration diagnosis system for an air-fuel ratio sensor Toshihiro Aono, Takahumi Ohwada, Masanobu Ohsaki, Seiichi Ohtani, Shigeo Ohkuma 2010-11-23
7533662 Apparatus for and method of controlling air-fuel ratio of engine Hisanori Ozaki 2009-05-19
7281533 Air-fuel ratio feedback control apparatus and method for internal combustion engine Hisanori Ozaki 2007-10-16
7216639 Abnormality diagnosis device for air-fuel ratio sensor Hisanori Ozaki 2007-05-15
7117728 Misfire detecting apparatus for internal combustion engine and method thereof Masanobu Ohsaki, Hisanori Ozaki 2006-10-10
5355858 Assist-air type fuel injection method and device for internal combustion engine Kazumitsu Kobayashi 1994-10-18