Inventor · disambiguated record
Takehiko Yazawa
Also filed as: YAZAWA TAKEHIKO
19 granted patents·2 pending applications·119 citations·filing 1998–2024
92Inventor score
Top patents by PatentIndex Score
21 records- 0189US6375357B2Spindle motorSANKYO SEIKI SEISAKUSHO KK·Filed 2001·Granted Apr 23, 2002·39 cites·10 claims
- 0285US12418209B2Motor and pump systemNIDEC SANKYO CORP·Filed 2023·Granted Sep 16, 2025·0 cites·17 claims
- 0382US10900578B2Valve drive deviceNIDEC SANKYO CORP·Filed 2019·Granted Jan 26, 2021·3 cites·10 claims
- 0478US10677333B2Rotation transmission mechanism and damper deviceNIDEC SANKYO CORP·Filed 2017·Granted Jun 9, 2020·2 cites·39 claims
- 0577US11876420B2Motor and pump systemNIDEC SANKYO CORP·Filed 2021·Granted Jan 16, 2024·0 cites·13 claims
- 0677US6343877B1Spindle motorSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Feb 5, 2002·20 cites·16 claims
- 0775US5980819ASintered oil-impregnated bearing, manufacturing method thereof, and motor comprising sameSANKYO SEIKI SEISAKUSHO KK·Filed 1998·Granted Nov 9, 1999·26 cites·4 claims
- 0871US10876781B2Switch mechanism, geared motor and damper deviceNIDEC SANKYO CORP·Filed 2017·Granted Dec 29, 2020·1 cites·28 claims
- 0970US6378209B1Method of producing fluid bearing deviceSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Apr 30, 2002·13 cites·16 claims
- 1066US12345265B2Pump apparatusNIDEC INSTRUMENTS CORP·Filed 2024·Granted Jul 1, 2025·0 cites·12 claims
- 1164US6341896B1Hydrodynamic bearing and method of manufacturing the sameSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Jan 29, 2002·9 cites·4 claims
- 1263US12419002B2Fixing structure of circuit board and pump deviceNIDEC INSTRUMENTS CORP·Filed 2024·Granted Sep 16, 2025·0 cites·6 claims
- 1358US2025007356A1Electric device and pump deviceNIDEC INSTRUMENTS CORP·Filed 2022·Application pending·0 cites
- 1457US12253094B2Pump deviceNIDEC INSTRUMENTS CORP·Filed 2023·Granted Mar 18, 2025·0 cites·6 claims
- 1557US6614139B2Motor having a dynamic pressure bearing apparatus and a manufacturing method thereofSANKYO SEIKI SEISAKUSHO KK·Filed 2001·Granted Sep 2, 2003·6 cites·32 claims
- 1656US12460652B2Pump device and method of manufacturing the sameNIDEC INSTRUMENTS CORP·Filed 2023·Granted Nov 4, 2025·0 cites·7 claims
- 1752US11982278B2Pump deviceNIDEC SANKYO CORP·Filed 2022·Granted May 14, 2024·0 cites·7 claims
- 1848US11022362B2Damper deviceNIDEC SANKYO CORP·Filed 2017·Granted Jun 1, 2021·0 cites·17 claims
- 1946US11215390B2Drive device with abnormality detection mechanism and damper deviceNIDEC SANKYO CORP·Filed 2019·Granted Jan 4, 2022·0 cites·11 claims
- 2046US11199040B2Rotation transmission mechanism and damper deviceNIDEC SANKYO CORP·Filed 2018·Granted Dec 14, 2021·0 cites·22 claims
- 2137US2017145611A1Clutch device for washing machine and washing machineNIDEC SANKYO CORP·Filed 2015·Application pending·0 cites
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