Inventor
OKA TOSHIHIKO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OKA TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI MOTORS CORP
14 patentsUS6810846B2Nov 2, 2004
Flow path structure of hollow tube
MITSUBISHI MOTORS CORP21 citations92
US6763793B2Jul 20, 2004
Valve system for internal combustion engine
MITSUBISHI MOTORS CORP8 citations73
US5979384ANov 9, 1999
Valve device for engine
MITSUBISHI MOTORS CORP7 citations71
US6832584B2Dec 21, 2004
Valve system for internal combustion engine
MITSUBISHI MOTORS CORP5 citations62
US7270091B2Sep 18, 2007
Cooling water passage structure for an engine
MITSUBISHI MOTORS CORP6 citations60
US7152566B2Dec 26, 2006
Cylinder head structure
MITSUBISHI MOTORS CORP2 citations60
US6883484B2Apr 26, 2005
Rocker shaft
MITSUBISHI MOTORS CORP4 citations60
US10247131B2Apr 2, 2019
Cylinder head of engine
MITSUBISHI MOTORS CORP1 citations58
US7913660B2Mar 29, 2011
Cylinder head
MITSUBISHI MOTORS CORP2 citations57
US7677219B2Mar 16, 2010
Cylinder head
MITSUBISHI MOTORS CORP2 citations57
US7357107B2Apr 15, 2008
Valve system for internal combustion engine
MITSUBISHI MOTORS CORP1 citations51
US9587529B2Mar 7, 2017
Engine
MITSUBISHI MOTORS CORP1 citations47
US9562446B2Feb 7, 2017
Engine
MITSUBISHI MOTORS CORP1 citations47
US9109471B2Aug 18, 2015
Cam structure
MITSUBISHI MOTORS CORP0 citations40
MITSUBISHI MOTOR ENG
3 patentsUS7007646B2Mar 7, 2006
Valve gear with cylinder suspending mechanism of an internal combustion engine
MITSUBISHI MOTOR ENG9 citations71
US6959675B2Nov 1, 2005
Valve system for internal combustion engine
MITSUBISHI MOTOR ENG5 citations61
US7107953B2Sep 19, 2006
Valve gear of an internal combustion engine
MITSUBISHI MOTOR ENG6 citations60