Inventor · disambiguated record
Ken Yamamoto
Also filed as: YAMAMOTO KEN · YAMAMOTO KEN-ICHI
102 granted patents·14 pending applications·2,036 citations·filing 1976–2020
99Inventor score
Top patents by PatentIndex Score
116 records- 0196US5546761AReceiver-integrated refrigerant condenserNIPPON DENSO CO·Filed 1995·Granted Aug 20, 1996·129 cites·22 claims
- 0295US7815161B2Compact valvePANASONIC ELEC WORKS CO LTD·Filed 2006·Granted Oct 19, 2010·41 cites·11 claims
- 0395US6401804B1Heat exchanger only using plural platesDENSO CORP·Filed 2000·Granted Jun 11, 2002·61 cites·33 claims
- 0495US6216776B1Heat exchangerDENSO CORP·Filed 1999·Granted Apr 17, 2001·82 cites·27 claims
- 0594US6340055B1Heat exchanger having multi-hole structured tubeDENSO CORP·Filed 2000·Granted Jan 22, 2002·68 cites·20 claims
- 0694US5482262AHydraulic autotensionerNTN TOYO BEARING CO LTD·Filed 1994·Granted Jan 9, 1996·53 cites·5 claims
- 0794US4901908AAluminum material for brazing, method of manufacturing same, and method of manufacturing heat exchanger made of aluminum alloyNIPPON DENSO CO·Filed 1988·Granted Feb 20, 1990·96 cites·4 claims
- 0893US6827139B2Heat exchanger for exchanging heat between internal fluid and external fluid and manufacturing method thereofDENSO CORP·Filed 2003·Granted Dec 7, 2004·63 cites·20 claims
- 0992US8360186B2In-wheel motor drive deviceNTN TOYO BEARING CO LTD·Filed 2009·Granted Jan 29, 2013·22 cites·6 claims
- 1091US6189604B1Heat exchanger for inside/outside air two-passage unitDENSO CORP·Filed 2000·Granted Feb 20, 2001·42 cites·5 claims
- 1190US9490679B2Wheel driving deviceYAMAMOTO KEN·Filed 2013·Granted Nov 8, 2016·11 cites·19 claims
- 1290US8857546B2In-wheel motor drive deviceYAMAMOTO KEN·Filed 2011·Granted Oct 14, 2014·9 cites·18 claims
- 1390US5713809AChain tensioner and chain systemNTN TOYO BEARING CO LTD·Filed 1997·Granted Feb 3, 1998·55 cites·19 claims
- 1489US7571632B2Chain TensionerNTN TOYO BEARING CO LTD·Filed 2007·Granted Aug 11, 2009·17 cites·2 claims
- 1588US8733483B2In-wheel motor drive assemblyYAMAMOTO KEN·Filed 2010·Granted May 27, 2014·9 cites·10 claims
- 1688US7635050B2Electric brake assemblyNTN TOYO BEARING CO LTD·Filed 2005·Granted Dec 22, 2009·11 cites·8 claims
- 1788US7604044B2Heat exchangerDENSO CORP·Filed 2006·Granted Oct 20, 2009·11 cites·13 claims
- 1887US10128720B2Electric motor and electric pumpMITSUBA CORP·Filed 2013·Granted Nov 13, 2018·9 cites·17 claims
- 1987US6935414B2Tube and heat exchanger having the sameDENSO CORP·Filed 2002·Granted Aug 30, 2005·30 cites·33 claims
- 2087US5567493ADie for extrusion of multi-hole tube and multi-hole tube made with the dieNIPPON DENSO CO·Filed 1993·Granted Oct 22, 1996·63 cites·8 claims
- 2186US7547145B2Bearing device with a sensorNTN TOYO BEARING CO LTD·Filed 2006·Granted Jun 16, 2009·8 cites·9 claims
- 2286US6514529B2Oxazolidinone tablet formulationUPJOHN CO·Filed 2001·Granted Feb 4, 2003·20 cites·19 claims
- 2386US5307870AHeat exchangerNIPPON DENSO CO·Filed 1992·Granted May 3, 1994·67 cites·5 claims
- 2486US4795073AStapler with detachable staple holderKOTOBUKI & CO LTD·Filed 1986·Granted Jan 3, 1989·51 cites·6 claims
- 2585US5479985AHeat exchangerNIPPON DENSO CO·Filed 1993·Granted Jan 2, 1996·58 cites·5 claims
- 2685US5328415AAutotensionerNTN TOYO BEARING CO LTD·Filed 1993·Granted Jul 12, 1994·39 cites·7 claims
- 2785US4863417AAuto-tensioner for beltNTN TOYO BEARING CO LTD·Filed 1988·Granted Sep 5, 1989·36 cites·3 claims
- 2884US8393424B2In-wheel motor drive unitMAKINO TOMOAKI·Filed 2008·Granted Mar 12, 2013·13 cites·5 claims
- 2984US7255482B2Bearing apparatus for a driving wheel of vehicleNTN TOYO BEARING CO LTD·Filed 2003·Granted Aug 14, 2007·26 cites·4 claims
- 3084US7189174B2Chain tensionerNTN TOYO BEARING CO LTD·Filed 2001·Granted Mar 13, 2007·25 cites·16 claims
- 3183US6540015B1Heat exchanger and method for manufacturing the sameDENSO CORP·Filed 2000·Granted Apr 1, 2003·35 cites·41 claims
- 3282US7044208B2Heat exchangerDENSO CORP·Filed 2003·Granted May 16, 2006·20 cites·18 claims
- 3381US5961410AAutotensionerNTN TOYO BEARING CO LTD·Filed 1997·Granted Oct 5, 1999·32 cites·10 claims
- 3479US9821649B2In-wheel motor driving deviceNTN TOYO BEARING CO LTD·Filed 2013·Granted Nov 21, 2017·6 cites·9 claims
- 3579US8288921B2Multilayer piezoelectric element and injector using the sameTERAZONO MASAKI·Filed 2006·Granted Oct 16, 2012·12 cites·18 claims
- 3678US7553087B2Sensor-equipped wheel support bearing assemblyNTN TOYO BEARING CO LTD·Filed 2005·Granted Jun 30, 2009·10 cites·9 claims
- 3778US4641701ADies for forming a chainYAMAMOTO KEN·Filed 1982·Granted Feb 10, 1987·15 cites·7 claims
- 3877US5740893AOne-way clutch and method of making bearing ringNTN TOYO BEARING CO LTD·Filed 1996·Granted Apr 21, 1998·38 cites·11 claims
- 3976US9302578B2In-wheel motor-driven deviceSUZUKI MINORU·Filed 2014·Granted Apr 5, 2016·3 cites·7 claims
- 4076US5363910AHeat exchangerNIPPON DENSO CO·Filed 1992·Granted Nov 15, 1994·38 cites·10 claims
- 4175US8933373B2Ceramic heaterYAMAMOTO KEN·Filed 2010·Granted Jan 13, 2015·3 cites·3 claims
- 4275US7534046B2Wheel support bearing assemblyNTN TOYO BEARING CO LTD·Filed 2005·Granted May 19, 2009·6 cites·5 claims
- 4374US9233604B2In-wheel motor drive assemblyYAMAMOTO KEN·Filed 2012·Granted Jan 12, 2016·6 cites·10 claims
- 4474US7795982B2Surface-mount type crystal oscillatorNIHON DEMPA KOGYO CO·Filed 2008·Granted Sep 14, 2010·6 cites·6 claims
- 4572US6003592ARefrigerant condenserDENSO CORP·Filed 1995·Granted Dec 21, 1999·36 cites·2 claims
- 4672US5399124AAutotensionerNTN TOYO BEARING CO LTD·Filed 1993·Granted Mar 21, 1995·24 cites·2 claims
- 4771US9180771B2In-wheel motor drive deviceYUKISHIMA RYOU·Filed 2012·Granted Nov 10, 2015·5 cites·8 claims
- 4871US8441161B2Electric motor drive deviceMAKINO TOMOAKI·Filed 2009·Granted May 14, 2013·6 cites·18 claims
- 4971US5682944ARefrigerant condenserNIPPON DENSO CO·Filed 1995·Granted Nov 4, 1997·25 cites·4 claims
- 5071US5617691AFitting structure of rectangular parallelopipedal blocksDORYOKURO KAKUNENRYO·Filed 1995·Granted Apr 8, 1997·17 cites·8 claims
Showing the top 50 of 116 patent records by PatentIndex Score.
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