Inventor · disambiguated record
Isamu Yoshida
Also filed as: YASUDA YOSHINOBU · YOSHIDA ISAMU
53 granted patents·1 pending application·1,173 citations·filing 1978–2022
99Inventor score
Files withHITACHI LTD32NTN TOYO BEARING CO LTD12RENESAS TECH CORP4AZUMA KATSUNORI1HITACHI AUTOMOTIVE SYSTEMS LTD1
Top patents by PatentIndex Score
54 records- 0198US5068712ASemiconductor deviceHITACHI LTD·Filed 1989·Granted Nov 26, 1991·165 cites·36 claims
- 0294US8519561B2Power module and vehicle-mounted inverter using the sameAZUMA KATSUNORI·Filed 2010·Granted Aug 27, 2013·27 cites·3 claims
- 0394US6464034B1Electrically powered steering deviceNTN TOYO BEARING CO LTD·Filed 2000·Granted Oct 15, 2002·55 cites·14 claims
- 0489US6454042B1Ball screw and electrically powered steering device having the ball screwNTN TOYO BEARING CO LTD·Filed 2000·Granted Sep 24, 2002·40 cites·9 claims
- 0588US6439338B2Ball screw mechanism and electrically powered steering device utilizing the sameNTN TOYO BEARING CO LTD·Filed 2001·Granted Aug 27, 2002·31 cites·23 claims
- 0687US7445455B2Electronic deviceHITACHI LTD·Filed 2005·Granted Nov 4, 2008·17 cites·2 claims
- 0786US5530286ASemiconductor deviceHITACHI LTD·Filed 1994·Granted Jun 25, 1996·53 cites·6 claims
- 0885US5914531ASemiconductor device having a ball grid array package structure using a supporting frameHITACHI LTD·Filed 1997·Granted Jun 22, 1999·68 cites·21 claims
- 0985US5811877ASemiconductor device structureHITACHI LTD·Filed 1997·Granted Sep 22, 1998·84 cites·26 claims
- 1084US5358904ASemiconductor deviceHITACHI LTD·Filed 1992·Granted Oct 25, 1994·47 cites·15 claims
- 1182US6220981B1Link plate for power transmission chainTSUBAKIMOTO CHAIN CO·Filed 1999·Granted Apr 24, 2001·33 cites·8 claims
- 1280US7679176B2Semiconductor device and electronic control unit using the sameHITACHI LTD·Filed 2006·Granted Mar 16, 2010·10 cites·13 claims
- 1380US6326681B1Semiconductor deviceHITACHI LTD·Filed 2000·Granted Dec 4, 2001·14 cites·14 claims
- 1480US5793099ASemiconductor deviceHITACHI LTD·Filed 1996·Granted Aug 11, 1998·30 cites·12 claims
- 1579US6081023ASemiconductor deviceHITACHI LTD·Filed 1999·Granted Jun 27, 2000·28 cites·13 claims
- 1678US5612569ASemiconductor deviceHITACHI LTD·Filed 1995·Granted Mar 18, 1997·35 cites·9 claims
- 1778US5371044AMethod of uniformly encapsulating a semiconductor device in resinHITACHI LTD·Filed 1992·Granted Dec 6, 1994·60 cites·20 claims
- 1877US6662921B2Wheel steering apparatusNTN TOYO BEARING CO LTD·Filed 2002·Granted Dec 16, 2003·14 cites·7 claims
- 1976US6736235B2Powered steering device and ball screw mechanism thereforNTN TOYO BEARING CO LTD·Filed 2001·Granted May 18, 2004·19 cites·14 claims
- 2075US6114192AMethod of manufacturing a semiconductor device having a ball grid array package structure using a supporting frameHITACHI LTD·Filed 1998·Granted Sep 5, 2000·39 cites·38 claims
- 2174US6303982B2Semiconductor deviceHITACHI LTD·Filed 2001·Granted Oct 16, 2001·10 cites·28 claims
- 2272US7215886B2Optical communication moduleHITACHI LTD·Filed 2002·Granted May 8, 2007·23 cites·12 claims
- 2369US6130114ASemiconductor deviceHITACHI LTD·Filed 1999·Granted Oct 10, 2000·17 cites·22 claims
- 2469US6018191ASemiconductor deviceHITACHI LTD·Filed 1998·Granted Jan 25, 2000·18 cites·23 claims
- 2568US7498671B2Power semiconductor moduleHITACHI LTD·Filed 2007·Granted Mar 3, 2009·4 cites·8 claims
- 2667US6531760B1Semiconductor deviceFiled 2000·Granted Mar 11, 2003·6 cites·8 claims
- 2767US5914530ASemiconductor deviceHITACHI LTD·Filed 1998·Granted Jun 22, 1999·15 cites·12 claims
- 2867US4946633AMethod of producing semiconductor devicesHITACHI LTD·Filed 1988·Granted Aug 7, 1990·32 cites·25 claims
- 2966US6178839B1Ball screw with lubricating grease and seal member of solid lubricating compositionNTN TOYO BEARING CO LTD·Filed 1998·Granted Jan 30, 2001·21 cites·1 claims
- 3063US6100580ASemiconductor device having all outer leads extending from one side of a resin memberHITACHI LTD·Filed 1998·Granted Aug 8, 2000·17 cites·19 claims
- 3163US6069029ASemiconductor device chip on lead and lead on chip manufacturingHITACHI LTD·Filed 1998·Granted May 30, 2000·13 cites·36 claims
- 3262US6686226B1Method of manufacturing a semiconductor device a ball grid array package structure using a supporting frameRENESAS TECH CORP·Filed 2000·Granted Feb 3, 2004·9 cites·22 claims
- 3361US7004860B2Belt type infinite variable-speed driveNTN TOYO BEARING CO LTD·Filed 2002·Granted Feb 28, 2006·9 cites·3 claims
- 3461US6072231ASemiconductor deviceHITACHI LTD·Filed 1998·Granted Jun 6, 2000·12 cites·40 claims
- 3560US2024288400A1Electrolyte measuring structure, flow-type ion-selective electrode using the same, and electrolyte measuring deviceHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 3659US5125821AResin flow and curing measuring deviceHITACHI LTD·Filed 1989·Granted Jun 30, 1992·19 cites·13 claims
- 3759US4983110AResin encapsulating apparatus for semiconductor devicesHITACHI LTD·Filed 1989·Granted Jan 8, 1991·23 cites·7 claims
- 3853US6861294B2Semiconductor devices and methods of making the devicesRENESAS TECH CORP·Filed 2003·Granted Mar 1, 2005·4 cites·9 claims
- 3953US6720208B2Semiconductor deviceRENESAS TECH CORP·Filed 2002·Granted Apr 13, 2004·2 cites·13 claims
- 4052US7062987B2Ball bearing and a continuously variable speed transmission of belt typeNTN TOYO BEARING CO LTD·Filed 2002·Granted Jun 20, 2006·4 cites·6 claims
- 4151US5981315ASemiconductor deviceHITACHI LTD·Filed 1998·Granted Nov 9, 1999·7 cites·37 claims
- 4251US5821606ASemiconductor deviceHITACHI LTD·Filed 1997·Granted Oct 13, 1998·9 cites·45 claims
- 4350US8723320B2Power module and manufacturing method thereofYOSHIDA ISAMU·Filed 2012·Granted May 13, 2014·1 cites·6 claims
- 4450US5863817ASemiconductor deviceHITACHI LTD·Filed 1998·Granted Jan 26, 1999·7 cites·23 claims
- 4544US11244877B2Sealing structure and manufacturing method thereofHITACHI LTD·Filed 2016·Granted Feb 8, 2022·0 cites·6 claims
- 4644US6919622B2Semiconductor deviceRENESAS TECH CORP·Filed 2004·Granted Jul 19, 2005·0 cites·6 claims
- 4743US6991062B2Ball screw and wheel steering device having the sameNTN TOYO BEARING CO LTD·Filed 2002·Granted Jan 31, 2006·3 cites·9 claims
- 4842US11266044B2Electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Mar 1, 2022·0 cites·5 claims
- 4941US6204552B1Semiconductor deviceHITACHI LTD·Filed 2000·Granted Mar 20, 2001·0 cites·15 claims
- 5040US6227839B1Driving device for injection molding machineNTN TOYO BEARING CO LTD·Filed 1999·Granted May 8, 2001·8 cites·8 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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