Inventor · disambiguated record
Kunichika Kubota
Also filed as: KUBOTA KUNICHIKA
5 granted patents·5 pending applications·35 citations·filing 1994–2012
74Inventor score
Top patents by PatentIndex Score
10 records- 0174US8409712B2Alloy to be surface-coated and sliding membersYOKOYAMA KENJI·Filed 2009·Granted Apr 2, 2013·2 cites·5 claims
- 0263US5489367ATarget for reactive sputtering and film-forming method using the targetHITACHI METALS LTD·Filed 1994·Granted Feb 6, 1996·24 cites·6 claims
- 0358US6527879B2Self-lubricating piston ring material for internal combustion engine and piston ringHITACHI METALS LTD·Filed 2001·Granted Mar 4, 2003·9 cites·19 claims
- 0453US8480821B2Piston ring material for internal combustion engineOHISHI KATSUHIKO·Filed 2009·Granted Jul 9, 2013·0 cites·9 claims
- 0551US2010158745A1Piston ring material for internal combustion engineHITACHI METALS LTD·Filed 2007·Application pending·0 cites
- 0650US8815147B2Cold die steel excellent in characteristic of suppressing dimensional changeKUBOTA KUNICHIKA·Filed 2008·Granted Aug 26, 2014·0 cites·7 claims
- 0749US2012145289A1Piston Ring Material For Internal Combustion EngineOHISHI KATSUHIKO·Filed 2012·Application pending·0 cites
- 0839US2012114964A1Coated-surface sliding part having excellent coating adhesion and method for producing the sameHONDA FUMIAKI·Filed 2010·Application pending·0 cites
- 0938US2006048865A1Material for sliding parts having self lubricity and wire material for piston ringFUJITA ETSUO·Filed 2003·Application pending·0 cites
- 1034US2006251537A1Cold die steel excellent in characteristic of suppressing dimensional changeKUBOTA KUNICHIKA·Filed 2003·Application pending·0 cites
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