Inventor · disambiguated record
Hidetoshi Fujiwara
Also filed as: FUJIWARA HIDETOSHI
23 granted patents·1 pending application·518 citations·filing 1984–2020
96Inventor score
Top patents by PatentIndex Score
24 records- 0189US4971535ATandem rotary pump with pressure chamber between two intermediate side platesTOYODA MACHINE WORKS LTD·Filed 1989·Granted Nov 20, 1990·65 cites·4 claims
- 0279US7819041B2Transmission ratio variable device and steering gearJTEKT CORP·Filed 2006·Granted Oct 26, 2010·9 cites·7 claims
- 0379US6068461AVane type rotary pump having a discharge port with a tapered bearded grooveTOYODA MACHINE WORKS LTD·Filed 1997·Granted May 30, 2000·31 cites·3 claims
- 0478US5266947AParking data transfer systemMAX INC·Filed 1991·Granted Nov 30, 1993·186 cites·8 claims
- 0577US6203303B1Vane pumpTOYODA MACHINE WORKS LTD·Filed 1999·Granted Mar 20, 2001·28 cites·9 claims
- 0675US6041807AFlow control device of power steering apparatusTOYODA MACHINE WORKS LTD·Filed 1998·Granted Mar 28, 2000·23 cites·9 claims
- 0775US5805201ADevice for automatically controlling a televisionUTEC INC·Filed 1996·Granted Sep 8, 1998·59 cites·17 claims
- 0871US9810327B2Pressure reducing valveJTEKT CORP·Filed 2015·Granted Nov 7, 2017·1 cites·3 claims
- 0971US8028716B2Pressure-reducing valveJTEKT CORP·Filed 2005·Granted Oct 4, 2011·2 cites·2 claims
- 1070US6648620B2Rotary pump apparatusTOYODA MACHINE WORKS LTD·Filed 2001·Granted Nov 18, 2003·11 cites·6 claims
- 1168US6877969B2Vane pumpTOYODA MACHINE WORKS LTD·Filed 2004·Granted Apr 12, 2005·11 cites·6 claims
- 1266US4549566AFlow volume control device for power steering systemTOYODA MACHINE WORKS LTD·Filed 1984·Granted Oct 29, 1985·21 cites·4 claims
- 1358US8104508B2Valve device assembling structure, plug body, and manual valveSUZUKI TAKUYA·Filed 2005·Granted Jan 31, 2012·1 cites·6 claims
- 1458US4545449APower steering system with engine idling-up mechanismTOYODA MACHINE WORKS LTD·Filed 1984·Granted Oct 8, 1985·14 cites·4 claims
- 1554US5213491ATandem pump having a different sized vane for each pumpTOYODA MACHINE WORKS LTD·Filed 1992·Granted May 25, 1993·16 cites·4 claims
- 1652US12334378B2Traveling vehicle systemMURATA MACHINERY LTD·Filed 2020·Granted Jun 17, 2025·0 cites·17 claims
- 1752US9400506B2Pressure reducerSHIMA TOSHIHIKO·Filed 2005·Granted Jul 26, 2016·3 cites·19 claims
- 1852US6912921B2Torque detecting deviceTOYODA MACHINE WORKS LTD·Filed 2003·Granted Jul 5, 2005·8 cites·12 claims
- 1952US4579309AAttachment for a resinous reservoirTOYODA MACHINE WORKS LTD·Filed 1984·Granted Apr 1, 1986·17 cites·2 claims
- 2051US12172681B2Traveling vehicle systemMURATA MACHINERY LTD·Filed 2020·Granted Dec 24, 2024·0 cites·13 claims
- 2146US6877961B2Vane pump with a bypass valve and passage arrangement for equalizing excess fluid flow through dual suction passagesTOYODA MACHINE WORKS LTD·Filed 2003·Granted Apr 12, 2005·2 cites·3 claims
- 2245US2008105309A1Valve Device For High-Pressure GasKUROYANAGI MUNETOSHI·Filed 2005·Application pending·0 cites
- 2337US4606423AControl apparatus for power-assisted steering systemTOYOTA MOTOR CO LTD·Filed 1984·Granted Aug 19, 1986·6 cites·4 claims
- 2436US6299418B1Oil pump apparatusTOYODA MACHINE WORKS LTD·Filed 1998·Granted Oct 9, 2001·4 cites·20 claims
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