Inventor · disambiguated record
Shigekazu Okumura
Also filed as: OKUMURA SHIGEKAZU
17 granted patents·5 pending applications·38 citations·filing 2006–2020
89Inventor score
Files withFUJITSU LTD14OKUMURA SHIGEKAZU4JTEKT CORP2KOYO ELECTRONICS IND CO1PHOTONICS ELECTRONICS TECHNOLOGY RES ASS1
Top patents by PatentIndex Score
22 records- 0186US7944163B2Sensorless controlling apparatus of brushless motorJTEKT CORP·Filed 2008·Granted May 17, 2011·19 cites·3 claims
- 0284US8565279B2Semiconductor optical integrated device and method for fabricating the sameOKUMURA SHIGEKAZU·Filed 2012·Granted Oct 22, 2013·7 cites·8 claims
- 0380US9401447B2Semiconductor light-receiving element and method for manufacturing sameFUJITSU LTD·Filed 2015·Granted Jul 26, 2016·3 cites·6 claims
- 0475US10340399B2Optical devicePHOTONICS ELECTRONICS TECHNOLOGY RES ASS·Filed 2016·Granted Jul 2, 2019·2 cites·4 claims
- 0567US9577136B2Semiconductor light-receiving element and method for manufacturing sameFUJITSU LTD·Filed 2016·Granted Feb 21, 2017·1 cites·4 claims
- 0666US11152210B2Semiconductor crystal substrate, infrared detector, and method for producing semiconductor crystal substrateFUJITSU LTD·Filed 2020·Granted Oct 19, 2021·0 cites·4 claims
- 0763US11043517B2Semiconductor crystal substrate, infrared detector, method for producing semiconductor crystal substrate, and method for producing infrared detectorFUJITSU LTD·Filed 2020·Granted Jun 22, 2021·0 cites·6 claims
- 0861US8716967B2Motor control deviceOKUMURA SHIGEKAZU·Filed 2011·Granted May 6, 2014·4 cites·7 claims
- 0959US8736208B2Motor control deviceOKUMURA SHIGEKAZU·Filed 2011·Granted May 27, 2014·2 cites·16 claims
- 1058US10937647B2Semiconductor crystal substrate, infrared detector, and method for producing semiconductor crystal substrateFUJITSU LTD·Filed 2019·Granted Mar 2, 2021·0 cites·9 claims
- 1154US10886323B2Infrared detector, infrared detection device, and method of manufacturing infrared detectorFUJITSU LTD·Filed 2019·Granted Jan 5, 2021·0 cites·20 claims
- 1251US10720455B2Semiconductor crystal substrate, infrared detector, method for producing semiconductor crystal substrate, and method for producing infrared detectorFUJITSU LTD·Filed 2017·Granted Jul 21, 2020·0 cites·5 claims
- 1351US8987117B2Semiconductor optical integrated device and method for fabricating the sameFUJITSU LTD·Filed 2013·Granted Mar 24, 2015·0 cites·5 claims
- 1449US10741714B2Infrared detection device, infrared detection apparatus, and manufacturing method of infrared detection deviceFUJITSU LTD·Filed 2019·Granted Aug 11, 2020·0 cites·14 claims
- 1549US7924896B2Optical semiconductor deviceFUJITSU LTD·Filed 2008·Granted Apr 12, 2011·0 cites·20 claims
- 1648US10580916B2Infrared detector, imaging device, imaging system, and method of manufacturing infrared detectorFUJITSU LTD·Filed 2019·Granted Mar 3, 2020·0 cites·18 claims
- 1744US2020194556A1Compound semiconductor device, manufacturing method thereof, and infrared detectorFUJITSU LTD·Filed 2019·Application pending·0 cites
- 1843US2020035725A1Photodetector, imaging element, and optical semiconductor deviceFUJITSU LTD·Filed 2019·Application pending·0 cites
- 1942US2019319143A1Semiconductor crystal substrate, device, and method for manufacturing semiconductor crystal substrateFUJITSU LTD·Filed 2019·Application pending·0 cites
- 2040US2017366075A1Synchronous Reluctance MotorJTEKT CORP·Filed 2017·Application pending·0 cites
- 2136US8767364B2Vehicle steering systemOKUMURA SHIGEKAZU·Filed 2012·Granted Jul 1, 2014·0 cites·3 claims
- 2235US2007153448A1Electrical circuit board, board device, motor , motor device, electric pump, and method of connecting motor and electrical circuit board or board deviceKOYO ELECTRONICS IND CO·Filed 2006·Application pending·0 cites
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