Inventor · disambiguated record
Keiichi Kitamura
Also filed as: KITAMURA KEIICHI
20 granted patents·4 pending applications·391 citations·filing 1989–2020
96Inventor score
Top patents by PatentIndex Score
24 records- 0193US8749204B2Battery condition detector, battery pack including same, and battery condition detecting methodMAJIMA YOSHIHIDE·Filed 2009·Granted Jun 10, 2014·28 cites·9 claims
- 0291US6316983B1Predistortion circuitYRP ADVANCED MOBILE COMM SYSTE·Filed 2000·Granted Nov 13, 2001·63 cites·8 claims
- 0385US9523518B2Refrigeration cycle deviceDENSO CORP·Filed 2013·Granted Dec 20, 2016·7 cites·15 claims
- 0482US6708512B2Vehicle air conditioner with cold accumulatorDENSO CORP·Filed 2002·Granted Mar 23, 2004·24 cites·9 claims
- 0582US5448899ARefrigerant evaporatorNIPPON DENSO CO·Filed 1993·Granted Sep 12, 1995·52 cites·8 claims
- 0680US6345647B2Fluid-impermeable composite hoseTOKAI RUBBER IND LTD·Filed 2001·Granted Feb 12, 2002·27 cites·20 claims
- 0774US7121103B2Vehicle air conditioning systemDENSO CORP·Filed 2003·Granted Oct 17, 2006·21 cites·16 claims
- 0873US6857286B2Vapor-compression refrigerant cycle systemDENSO CORP·Filed 2003·Granted Feb 22, 2005·19 cites·16 claims
- 0973US5376898ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1993·Granted Dec 27, 1994·25 cites·21 claims
- 1072US4998413ARefrigerant recovery systemNIPPON DENSO CO·Filed 1989·Granted Mar 12, 1991·39 cites·8 claims
- 1167US6439268B2Fluid-impermeable composite hoseTOKAI RUBBER IND LTD·Filed 2001·Granted Aug 27, 2002·15 cites·19 claims
- 1263US7040117B2Gas-liquid separator and ejector refrigerant cycle using the sameDENSO CORP·Filed 2003·Granted May 9, 2006·12 cites·28 claims
- 1362US4968904AMESFET circuit with threshold-compensated source-follower outputHITACHI LTD·Filed 1989·Granted Nov 6, 1990·13 cites·3 claims
- 1456US12213376B2Organic photoelectric conversion materialSUMITOMO CHEMICAL CO·Filed 2020·Granted Jan 28, 2025·0 cites·9 claims
- 1553US6640568B2Vehicle air conditioner with arrangement of temperature detectorDENSO CORP·Filed 2002·Granted Nov 4, 2003·6 cites·8 claims
- 1652US2008302467A1Pressure Resistant Vibration Absorbing HoseDENSO CORP·Filed 2008·Application pending·0 cites
- 1749US5490397AWater removing device in refrigerating systemNIPPON DENSO CO·Filed 1994·Granted Feb 13, 1996·14 cites·8 claims
- 1847US5301520AWater removing device in refrigerating systemNIPPON DENSO CO·Filed 1992·Granted Apr 12, 1994·13 cites·15 claims
- 1947US2008072987A1Refrigerant transporting hose and manufacturing method thereforDENSO CORP·Filed 2007·Application pending·0 cites
- 2045US2006006645A1Pressure resistant vibration absorbing hoseMUKAWA HAJIME·Filed 2005·Application pending·0 cites
- 2141US5367883ARefrigeration systemNIPPON DENSO CO·Filed 1993·Granted Nov 29, 1994·11 cites·12 claims
- 2236US6530239B2Refrigeration systemDENSO CORP·Filed 2001·Granted Mar 11, 2003·0 cites·11 claims
- 2332US2002157722A1Refrigerant transporting hoseFiled 2002·Application pending·0 cites
- 2429US5359862AMethod and apparatus for detecting an amount of cooling medium charged in a refrigeration circulation systemNIPPON DENSO CO·Filed 1993·Granted Nov 1, 1994·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →