Inventor · disambiguated record
Toshihiko Oka
Also filed as: OKA TOSHIHIKO
19 granted patents·94 citations·filing 1977–2014
93Inventor score
Top patents by PatentIndex Score
19 records- 0183US6810846B2Flow path structure of hollow tubeMITSUBISHI MOTORS CORP·Filed 2003·Granted Nov 2, 2004·21 cites·11 claims
- 0271US7270091B2Cooling water passage structure for an engineMITSUBISHI MOTORS CORP·Filed 2005·Granted Sep 18, 2007·6 cites·8 claims
- 0363US9562446B2EngineMITSUBISHI MOTORS CORP·Filed 2014·Granted Feb 7, 2017·1 cites·22 claims
- 0463US7007646B2Valve gear with cylinder suspending mechanism of an internal combustion engineMITSUBISHI MOTOR ENG·Filed 2004·Granted Mar 7, 2006·9 cites·13 claims
- 0563US6763793B2Valve system for internal combustion engineMITSUBISHI MOTORS CORP·Filed 2003·Granted Jul 20, 2004·8 cites·7 claims
- 0662US10247131B2Cylinder head of engineMITSUBISHI MOTORS CORP·Filed 2014·Granted Apr 2, 2019·1 cites·11 claims
- 0760US9587529B2EngineMITSUBISHI MOTORS CORP·Filed 2014·Granted Mar 7, 2017·1 cites·6 claims
- 0855US7152566B2Cylinder head structureMITSUBISHI MOTORS CORP·Filed 2005·Granted Dec 26, 2006·2 cites·8 claims
- 0955US7107953B2Valve gear of an internal combustion engineMITSUBISHI MOTOR ENG·Filed 2004·Granted Sep 19, 2006·6 cites·13 claims
- 1054US6959675B2Valve system for internal combustion engineMITSUBISHI MOTOR ENG·Filed 2003·Granted Nov 1, 2005·5 cites·9 claims
- 1153US7913660B2Cylinder headMITSUBISHI MOTORS CORP·Filed 2008·Granted Mar 29, 2011·2 cites·2 claims
- 1253US6832584B2Valve system for internal combustion engineMITSUBISHI MOTORS CORP·Filed 2003·Granted Dec 21, 2004·5 cites·11 claims
- 1352US9109471B2Cam structureMITSUBISHI MOTORS CORP·Filed 2014·Granted Aug 18, 2015·0 cites·15 claims
- 1450US7677219B2Cylinder headMITSUBISHI MOTORS CORP·Filed 2008·Granted Mar 16, 2010·2 cites·3 claims
- 1548US6883484B2Rocker shaftMITSUBISHI MOTORS CORP·Filed 2004·Granted Apr 26, 2005·4 cites·8 claims
- 1647US4081888AApparatus for producing compact yarn packageTORAY INDUSTRIES·Filed 1977·Granted Apr 4, 1978·6 cites·16 claims
- 1740US5979384AValve device for engineMITSUBISHI MOTORS CORP·Filed 1997·Granted Nov 9, 1999·7 cites·9 claims
- 1839US7357107B2Valve system for internal combustion engineMITSUBISHI MOTORS CORP·Filed 2003·Granted Apr 15, 2008·1 cites·12 claims
- 1938US4719576AApparatus for measuring the degree of entanglement in a yarnTORAY INDUSTRIES·Filed 1986·Granted Jan 12, 1988·7 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →