Inventor · disambiguated record
Masashi Kitamura
Also filed as: KITAMURA MASASHI
55 granted patents·34 pending applications·812 citations·filing 1988–2025
98Inventor score
Files withHITACHI LTD21MITSUBISHI HEAVY IND LTD19OMRON HEALTHCARE CO LTD9COLGATE PALMOLIVE CO8TAJIMA FUMIO5
Top patents by PatentIndex Score
89 records- 0197USD583060SSphygmomanometerOMRON HEALTHCARE CO LTD·Filed 2007·Granted Dec 16, 2008·71 cites·1 claims
- 0297US7151335B2Permanent magnet rotating electric machine and electric car using the sameHITACHI LTD·Filed 2005·Granted Dec 19, 2006·86 cites·8 claims
- 0394US12038235B2Heat exchange core and heat exchangerMITSUBISHI HEAVY IND LTD·Filed 2021·Granted Jul 16, 2024·2 cites·7 claims
- 0493US6849983B2Rotary machine having bypath magnetic path blocking magnetic barrierHITACHI LTD·Filed 2001·Granted Feb 1, 2005·56 cites·17 claims
- 0593US4996496ABending magnetHITACHI LTD·Filed 1988·Granted Feb 26, 1991·138 cites·10 claims
- 0692US7521832B2Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machineHITACHI LTD·Filed 2006·Granted Apr 21, 2009·28 cites·10 claims
- 0791US7649298B2Claw teeth type electric rotary machine and manufacturing method for statorsHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Jan 19, 2010·21 cites·13 claims
- 0891US7453179B2DC brushless motor for electrical power steering and the production method thereofHITACHI LTD·Filed 2007·Granted Nov 18, 2008·17 cites·7 claims
- 0989USD574496SSphygmomanometerOMRON HEALTHCARE CO LTD·Filed 2007·Granted Aug 5, 2008·27 cites·1 claims
- 1089US6794786B2Electric motorHITACHI LTD·Filed 2003·Granted Sep 21, 2004·36 cites·8 claims
- 1187USRE44037ERotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machineTAJIMA FUMIO·Filed 2009·Granted Mar 5, 2013·19 cites·10 claims
- 1286US8513842B2Heat radiation structure for rotary electromotorIWASAKI NORIHISA·Filed 2011·Granted Aug 20, 2013·9 cites·5 claims
- 1386USD561340SSphygmomanometerOMRON HEALTHCARE CO LTD·Filed 2007·Granted Feb 5, 2008·23 cites·1 claims
- 1485USD574497SSphygmomanometerOMRON HEALTHCARE CO LTD·Filed 2007·Granted Aug 5, 2008·22 cites·1 claims
- 1584US8067871B2Permanent magnet rotating electric machine and electric car using the sameTAJIMA FUMIO·Filed 2009·Granted Nov 29, 2011·15 cites·10 claims
- 1684USD541941SSphygmomanometerOMRON HEALTHCARE CO LTD·Filed 2006·Granted May 1, 2007·31 cites·1 claims
- 1783US7750529B2Electric PumpHITACHI LTD·Filed 2007·Granted Jul 6, 2010·20 cites·23 claims
- 1881US6806615B2Core, rotating machine using the core and production method thereofHITACHI LTD·Filed 2002·Granted Oct 19, 2004·29 cites·9 claims
- 1980US7242128B2DC brushless motor for electrical power steering and the production method thereofHITACHI LTD·Filed 2005·Granted Jul 10, 2007·8 cites·24 claims
- 2078US9385581B2Magnetic gear mechanismENOMOTO YUJI·Filed 2011·Granted Jul 5, 2016·5 cites·2 claims
- 2177US7714466B2Claw-teeth-type rotating electrical machineHITACHI IND EQUIPMENT SYS·Filed 2007·Granted May 11, 2010·8 cites·7 claims
- 2277US2024261073A1Electric ToothbrushCOLGATE PALMOLIVE CO·Filed 2024·Application pending·0 cites
- 2376US7768158B2Cylindrical linear motor and a vehicle using the sameHITACHI LTD·Filed 2007·Granted Aug 3, 2010·9 cites·4 claims
- 2476USD571013SSphygmomanometerOMRON HEALTHCARE CO LTD·Filed 2007·Granted Jun 10, 2008·21 cites·1 claims
- 2575US11903481B2Plaque detecting device and toothbrush incorporating sameCOLGATE PALMOLIVE CO·Filed 2022·Granted Feb 20, 2024·0 cites·14 claims
- 2675US11344952B2Three-dimensional additive manufacturing device, three-dimensional additive manufacturing method, and three-dimensional additive manufactured productMITSUBISHI HEAVY IND LTD·Filed 2017·Granted May 31, 2022·1 cites·19 claims
- 2775US6876118B2Abduction-type motor and fabrication method of motor stator thereofHITACHI LTD·Filed 2002·Granted Apr 5, 2005·17 cites·3 claims
- 2874US7592734B2Three-phase permanent magnet brushless motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 22, 2009·7 cites·4 claims
- 2974US6657413B2Driving equipment for synchronous motorsHITACHI LTD·Filed 2001·Granted Dec 2, 2003·21 cites·6 claims
- 3073USD569518SSphygmomanometerOMRON HEALTHCARE CO LTD·Filed 2007·Granted May 20, 2008·12 cites·1 claims
- 3172US2025185918A1Electric Toothbrush And Method For Operating An Electric ToothbrushCOLGATE PALMOLIVE CO·Filed 2025·Application pending·0 cites
- 3270US7683516B2Production method for rotating electric machine and stator coils, and electric power steering motorHITACHI LTD·Filed 2006·Granted Mar 23, 2010·5 cites·10 claims
- 3368US11246404B2Plaque detecting device and toothbrush incorporating sameCOLGATE PALMOLIVE CO·Filed 2020·Granted Feb 15, 2022·0 cites·17 claims
- 3467US12257030B2Electric toothbrush, brush unit, and method for operating an electric toothbrushCOLGATE PALMOLIVE CO·Filed 2020·Granted Mar 25, 2025·0 cites·15 claims
- 3567US11980517B2Electric toothbrush and method for operating an electric toothbrushCOLGATE PALMOLIVE CO·Filed 2020·Granted May 14, 2024·0 cites·19 claims
- 3665US11420260B2Method of manufacturing fabricated objectMITSUBISHI HEAVY IND LTD·Filed 2021·Granted Aug 23, 2022·0 cites·11 claims
- 3765US8259990B2Monitoring and operation image integrating system of plants and monitoring and operation image integrating methodKITAMURA MASASHI·Filed 2007·Granted Sep 4, 2012·2 cites·11 claims
- 3864US11638957B2Additive manufactured objectMITSUBISHI HEAVY IND LTD·Filed 2022·Granted May 2, 2023·0 cites·3 claims
- 3963US12345475B2Heat exchanger core, heat exchanger, and method of producing heat exchanger coreMITSUBISHI HEAVY IND LTD·Filed 2021·Granted Jul 1, 2025·0 cites·24 claims
- 4063US7649299B2Rotating electrical machine and alternating-current generatorHITACHI LTD·Filed 2007·Granted Jan 19, 2010·3 cites·5 claims
- 4161US10765323B2Electric toothbrush, brush unit, and method for operating an electric toothbrushCOLGATE PALMOLIVE CO·Filed 2016·Granted Sep 8, 2020·0 cites·17 claims
- 4259US2025025942A1Additive manufacturing method and additive manufacturing deviceMITSUBISHI HEAVY IND LTD·Filed 2022·Application pending·0 cites
- 4359US2021379665A1Calibration unit for metal 3d printer, metal 3d printer, and built part molding methodMITSUBISHI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 4458US10946633B2Additive manufacturing methodMITSUBISHI HEAVY IND LTD·Filed 2018·Granted Mar 16, 2021·0 cites·11 claims
- 4558US2022062994A1Dissimilar material joining product, base plate for additive manufacturing, additive manufacturing apparatus, and additive manufacturing methodMITSUBISHI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 4657US10869741B2Electric toothbrush and method for operating an electric toothbrushCOLGATE PALMOLIVE CO·Filed 2016·Granted Dec 22, 2020·0 cites·12 claims
- 4756US2021402475A1Alloy powder for additive manufacturing, additively manufactured material, and additive manufacturing methodMITSUBISHI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 4854US12241697B2Heat exchanger, method of producing heat exchanger, and method of confirming blockage of heat exchangerMITSUBISHI HEAVY IND LTD·Filed 2021·Granted Mar 4, 2025·0 cites·15 claims
- 4953US6434495B1Two-phase heat-flow analyzing method and the apparatus thereofMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Aug 13, 2002·19 cites·8 claims
- 5052US9492094B2Blood pressure monitorKITAMURA MASASHI·Filed 2012·Granted Nov 15, 2016·1 cites·5 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →