Inventor
KOKUBO NAOKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “KOKUBO NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
4 patentsUS7133766B2Nov 7, 2006
Engine combustion state detection device
DENSO CORP39 citations92
US6520149B2Feb 18, 2003
Knock control apparatus and method for engines
DENSO CORP26 citations92
US6688286B2Feb 10, 2004
Knock control apparatus for engine
DENSO CORP50 citations91
US7197916B2Apr 3, 2007
Misfire detector using linear detection of crankshaft angular speed
DENSO CORP26 citations89
KOKUBO NAOKI
4 patentsUS8868316B2Oct 21, 2014
Controller of valve timing control apparatus and valve timing control apparatus of internal combustion engine
KOKUBO NAOKI7 citations82
US8899197B2Dec 2, 2014
Valve-timing control apparatus for internal combustion engine
KOKUBO NAOKI2 citations61
US8443772B2May 21, 2013
Electric valve timing control device of internal combustion engine
KOKUBO NAOKI2 citations57
US8452519B2May 28, 2013
Valve timing control apparatus for internal combustion engine
KOKUBO NAOKI0 citations40
NIPPON DENSO CO
3 patentsUS5604304AFeb 18, 1997
Engine cycle timing and synchronization based on crankshaft angle measurements
NIPPON DENSO CO64 citations94
US5329904AJul 19, 1994
Engine control apparatus for discriminating cylinders
NIPPON DENSO CO24 citations92
US5494016AFeb 27, 1996
Ignition timing control apparatus for an internal combustion engine
NIPPON DENSO CO3 citations63
MASUDA SATOSHI
3 patentsUS8151627B2Apr 10, 2012
Knock detection device and knock detection system diagnosis device
MASUDA SATOSHI6 citations73
US8096166B2Jan 17, 2012
Knock detection device for internal combustion engine
MASUDA SATOSHI2 citations62
US8056396B2Nov 15, 2011
Knock detection device and knock detection system diagnosis device
MASUDA SATOSHI3 citations62
TOYOTA MOTOR CO LTD
2 patentsHITACHI AUTOMOTIVE SYSTEMS LTD
2 patentsUS9470118B2Oct 18, 2016
Valve timing control apparatus for internal combustion engine and controller for valve timing control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations63
US9523295B2Dec 20, 2016
Controller of variable valve apparatus of internal combustion engine and variable valve system of internal combustion engine
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations52