Inventor · disambiguated record
Hideki Fujiwara
Also filed as: FUJIWARA HIDEKI
96 granted patents·18 pending applications·933 citations·filing 1987–2024
99Inventor score
Top patents by PatentIndex Score
114 records- 0196US6588560B1Pulley unitKOYO SEIKO CO·Filed 2000·Granted Jul 8, 2003·40 cites·19 claims
- 0295US6676548B2Fixing structure of a pulley unitKOYO SEIKO CO·Filed 2001·Granted Jan 13, 2004·53 cites·8 claims
- 0394US8790019B2Rolling bearingJTEKT CORP·Filed 2013·Granted Jul 29, 2014·11 cites·2 claims
- 0493US6290398B1Rolling bearingKOYO SEIKO CO·Filed 1998·Granted Sep 18, 2001·55 cites·17 claims
- 0590US11162186B2Quartz glass crucible, manufacturing method thereof, and manufacturing method of silicon single crystal using quartz glass crucibleSUMCO CORP·Filed 2017·Granted Nov 2, 2021·2 cites·4 claims
- 0690US9995349B2Rotation transmission device and wind power generation device equipped with the sameJTEKT CORP·Filed 2014·Granted Jun 12, 2018·7 cites·16 claims
- 0790US5696471AInductive coupled filter with electrically neutral holes between solid spiral inductorsUNIDEN KK·Filed 1995·Granted Dec 9, 1997·63 cites·8 claims
- 0889US7143881B2Pulley unit having one-way clutchKOYO SEIKO CO·Filed 2002·Granted Dec 5, 2006·30 cites·21 claims
- 0988US11808279B1Centrifugal compressorDAIKIN IND LTD·Filed 2022·Granted Nov 7, 2023·3 cites·3 claims
- 1086US9322395B2Power generating deviceJTEKT CORP·Filed 2014·Granted Apr 26, 2016·5 cites·5 claims
- 1186US5640750AMethod of and apparatus for assembling wheels to vehiclesMAZDA MOTOR·Filed 1994·Granted Jun 24, 1997·46 cites·15 claims
- 1284US9035476B2Power generating deviceFUJIWARA HIDEKI·Filed 2012·Granted May 19, 2015·7 cites·14 claims
- 1384US5363796AApparatus and method of growing single crystalSUMITOMO METAL IND·Filed 1992·Granted Nov 15, 1994·47 cites·24 claims
- 1482US12252804B2Quartz glass crucibleSUMCO CORP·Filed 2022·Granted Mar 18, 2025·0 cites·24 claims
- 1582US10132362B2Power generation device and shaft coupling device with elastic member used thereinJTEKT CORP·Filed 2015·Granted Nov 20, 2018·3 cites·2 claims
- 1681US6343682B1One-way clutchKOYO SEIKO CO·Filed 2000·Granted Feb 5, 2002·21 cites·40 claims
- 1780US12270435B2Rotor for thrust magnetic bearing, thrust magnetic bearing, and rotary fluid machineDAIKIN IND LTD·Filed 2024·Granted Apr 8, 2025·0 cites·10 claims
- 1880US7101459B2Printing coated paperJUJO PAPER CO LTD·Filed 2001·Granted Sep 5, 2006·19 cites·17 claims
- 1980US6705444B2One-way clutch unitKOYO SEIKO CO·Filed 2002·Granted Mar 16, 2004·17 cites·11 claims
- 2079US7056247B2Pulley unitKOYO SEIKO CO·Filed 2001·Granted Jun 6, 2006·18 cites·21 claims
- 2179US6893368B2Driving force transmission apparatusTOYOTA JIDOSHOKKI KK·Filed 2002·Granted May 17, 2005·19 cites·10 claims
- 2279US5360657ACoated printing paper and process for producing the sameJUJO PAPER CO LTD·Filed 1992·Granted Nov 1, 1994·44 cites·9 claims
- 2378US7201685B2Pulley unitKOYO SEIKO CO·Filed 2002·Granted Apr 10, 2007·18 cites·4 claims
- 2478US7004861B2Pulley unitKOYO SEIKO CO·Filed 2002·Granted Feb 28, 2006·12 cites·16 claims
- 2577US6830137B2Pulley unit having one-way clutchKOYO SEIKO CO·Filed 2002·Granted Dec 14, 2004·14 cites·10 claims
- 2676US8257210B2Rotation urging mechanism and pulley deviceFUJIWARA HIDEKI·Filed 2009·Granted Sep 4, 2012·4 cites·16 claims
- 2775US5301411AElongated work assembling methodMAZDA MOTOR·Filed 1992·Granted Apr 12, 1994·27 cites·13 claims
- 2874US8944947B2Pulley unitYAMATANI TOMOYA·Filed 2008·Granted Feb 3, 2015·9 cites·18 claims
- 2973US7820007B2Silicon electrode plate for plasma etching with superior durabilitySUMCO CORP·Filed 2005·Granted Oct 26, 2010·5 cites·2 claims
- 3073US6607594B2Method for producing silicon single crystalSUMITOMO METAL IND·Filed 2001·Granted Aug 19, 2003·10 cites·4 claims
- 3172US11466381B2Quartz glass crucibleSUMCO CORP·Filed 2019·Granted Oct 11, 2022·0 cites·9 claims
- 3272US8220607B2Torque limiter-incorporating one-way clutchWATANABE HAJIME·Filed 2007·Granted Jul 17, 2012·4 cites·7 claims
- 3372US7800664B2Digital photographic instrument, method for adjusting focus of digital photographic instrument, and program for digital photographic instrumentNOKIA CORP·Filed 2006·Granted Sep 21, 2010·3 cites·12 claims
- 3472US7348065B2Slipping property imparting agent for clear coating and clear coating paper having the agent applied thereonJUJO PAPER CO LTD·Filed 2003·Granted Mar 25, 2008·11 cites·15 claims
- 3571US12352280B2Rotary fluid machineDAIKIN IND LTD·Filed 2024·Granted Jul 8, 2025·0 cites·6 claims
- 3670US11233354B2Hermetic terminal and sensor unitYOKOGAWA ELECTRIC CORP·Filed 2019·Granted Jan 25, 2022·2 cites·10 claims
- 3770US9995280B2Joint structure and wind power generation deviceJTEKT CORP·Filed 2014·Granted Jun 12, 2018·2 cites·3 claims
- 3870US9127723B2One-way clutch and power generating apparatusJTEKT CORP·Filed 2013·Granted Sep 8, 2015·2 cites·13 claims
- 3970US6783847B1Offset printing paperJUJO PAPER CO LTD·Filed 2000·Granted Aug 31, 2004·16 cites·20 claims
- 4070US5146097AMethod for measuring gloss profileJUJO PAPER CO LTD·Filed 1991·Granted Sep 8, 1992·37 cites·3 claims
- 4169US7533645B2Variable length intake control devices and methods for a straddle type vehicleYAMAHA MOTOR CO LTD·Filed 2007·Granted May 19, 2009·7 cites·18 claims
- 4269US6311814B1One-way clutchKOYO SEIKO CO·Filed 2000·Granted Nov 6, 2001·10 cites·3 claims
- 4368US8708677B2Screw compressor having injection having injection mechanism that injects oil or refrigerant toward a starting end of an extending direction of a helical groove of the female rotor or the male rotorGOTOU NOZOMI·Filed 2009·Granted Apr 29, 2014·4 cites·4 claims
- 4467US6929845B2Coated paper for gravureJUJO PAPER CO LTD·Filed 2001·Granted Aug 16, 2005·8 cites·13 claims
- 4567US2022018037A1Quartz glass crucibleSUMCO CORP·Filed 2021·Application pending·0 cites
- 4665US5806990APressed cage for a ball bearingKOYO SEIKO CO·Filed 1997·Granted Sep 15, 1998·23 cites·6 claims
- 4764US6095693AOne-way clutchKOYO SEIKO CO·Filed 1999·Granted Aug 1, 2000·21 cites·5 claims
- 4864US5972167ATransfer roll coating color and a coated paperJUJO PAPER CO LTD·Filed 1997·Granted Oct 26, 1999·25 cites·11 claims
- 4964US2025376785A1Quartz glass crucible for single-crystal silicon pulling and method for producing single-crystal silicon using sameSUMCO CORP·Filed 2023·Application pending·0 cites
- 5063US12043916B2Quartz glass crucible with crystallization-accelerator-containing layer having gradient concentrationSUMCO CORP·Filed 2020·Granted Jul 23, 2024·0 cites·8 claims
Showing the top 50 of 114 patent records by PatentIndex Score.
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