Inventor · disambiguated record
Katsuya Nakakubo
Also filed as: NAKAKUBO KATSUYA
15 granted patents·4 pending applications·292 citations·filing 1990–2014
94Inventor score
Files withTSUBAKIMOTO CHAIN CO17
Top patents by PatentIndex Score
19 records- 0192US6592479B2Tensioner with relief valve mechanismTSUBAKIMOTO CHAIN CO·Filed 2001·Granted Jul 15, 2003·47 cites·1 claims
- 0284US6435992B2Tensioner with plunger stopper pinTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Aug 20, 2002·27 cites·10 claims
- 0373US5785619AHydraulic tensionerTSUBAKIMOTO CHAIN CO·Filed 1996·Granted Jul 28, 1998·27 cites·6 claims
- 0473US5181889ATensioner for a toothed beltTSUBAKIMOTO CHAIN CO·Filed 1991·Granted Jan 26, 1993·26 cites·5 claims
- 0572US5167402AHydraulic pressure apparatus with air scavengingTSUBAKIMOTO CHAIN CO·Filed 1992·Granted Dec 1, 1992·26 cites·2 claims
- 0671US5234383ATemperature compensated tensionerTSUBAKIMOTO CHAIN CO·Filed 1992·Granted Aug 10, 1993·25 cites·2 claims
- 0767US6471612B2Closed hydraulic tensionerTSUBAKIMOTO CHAIN CO·Filed 2001·Granted Oct 29, 2002·12 cites·1 claims
- 0867US5538478APreventive structure for preventing extraordinary deformation of a diaphragm of an oil hermetic type tensionerTSUBAKIMOTO CHAIN CO·Filed 1995·Granted Jul 23, 1996·21 cites·1 claims
- 0966US5833220AHydraulic tensionerTSUBAKIMOTO CHAIN CO·Filed 1996·Granted Nov 10, 1998·20 cites·4 claims
- 1065US6146300ATensioner device for chain drive mechanismTSUBAKIMOTO CHAIN CO·Filed 1999·Granted Nov 14, 2000·19 cites·5 claims
- 1161US6666785B1TensionerTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Dec 23, 2003·9 cites·2 claims
- 1260US5073149ADiaphragm seal type tensionerTSUBAKIMOTO CHAIN CO·Filed 1990·Granted Dec 17, 1991·19 cites·17 claims
- 1353US5709625AHydraulic tensionerTSUBAKIMOTO CHAIN CO·Filed 1996·Granted Jan 20, 1998·12 cites·4 claims
- 1449US10364869B2Chain guideTSUBAKIMOTO CHAIN CO·Filed 2014·Granted Jul 30, 2019·0 cites·19 claims
- 1535US2010298078A1Ratchet-type tensionerTSUBAKIMOTO CHAIN CO·Filed 2010·Application pending·0 cites
- 1635US2001007840A1Closed hydraulic tensionerFiled 2001·Application pending·0 cites
- 1735US2010298077A1Ratchet-type tensionerTSUBAKIMOTO CHAIN CO·Filed 2010·Application pending·0 cites
- 1833US2005064969A1Oil tight type chain tensionerFiled 2004·Application pending·0 cites
- 1932US5630768ATensioner with spring having nonlinear characteristicsTSUBAKIMOTO CHAIN CO·Filed 1996·Granted May 20, 1997·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →