Inventor · disambiguated record
Tomofumi Yamashita
Also filed as: YAMASHITA TOMOFUMI
14 granted patents·6 pending applications·85 citations·filing 1999–2015
90Inventor score
Top patents by PatentIndex Score
20 records- 0193US8656798B2Linear actuatorKAWAHARA HIROSHI·Filed 2011·Granted Feb 25, 2014·22 cites·13 claims
- 0286US7347115B2Linear actuatorNSK LTD·Filed 2003·Granted Mar 25, 2008·29 cites·25 claims
- 0382US9737926B2Ball screw and manufacturing method of nut for ball screwNSK LTD·Filed 2015·Granted Aug 22, 2017·3 cites·6 claims
- 0478US8950283B2Method for manufacturing nut for ball screw and ball screwWATANABE ATSUSHI·Filed 2011·Granted Feb 10, 2015·6 cites·27 claims
- 0574US8297142B2ActuatorKAWADA DAISAKU·Filed 2008·Granted Oct 30, 2012·10 cites·16 claims
- 0663US8196486B2Ball screw mechanism and assembling method of the sameHARADA TORU·Filed 2006·Granted Jun 12, 2012·5 cites·25 claims
- 0758US7638925B2Power supply deviceRICOH KK·Filed 2006·Granted Dec 29, 2009·1 cites·6 claims
- 0854US8809752B2Booster circuit for enhanced induction heating unit, power-supply unit, and image forming apparatus using the sameYAMASHITA TOMOFUMI·Filed 2007·Granted Aug 19, 2014·1 cites·11 claims
- 0949US2012325036A1Ball Screw and Manufacturing Method of Nut for Ball ScrewHARADA TORU·Filed 2011·Application pending·0 cites
- 1045US2010184543A1Continuously variable transmission, actuator and intermediate terminalNSK LTD·Filed 2008·Application pending·0 cites
- 1144US7004883B2Toroidal-type continuously variable transmissionNSK LTD·Filed 2002·Granted Feb 28, 2006·2 cites·9 claims
- 1243US6902509B2Toroidal type continuously variable transmissionNSK LTD·Filed 2003·Granted Jun 7, 2005·1 cites·6 claims
- 1342US9685873B2Power supply device, image forming device, and electronic applianceYAMASHITA TOMOFUMI·Filed 2014·Granted Jun 20, 2017·0 cites·15 claims
- 1441US7986894B2Power supply device, fixing device and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jul 26, 2011·0 cites·13 claims
- 1539US6592491B1Toroidal type continuously variable transmissionNSK LTD·Filed 1999·Granted Jul 15, 2003·5 cites·10 claims
- 1638US2015171702A1Electric actuatorMATSUDA YASUYUKI·Filed 2012·Application pending·0 cites
- 1738US2006156844A1Ball screw mechanismNSK LTD·Filed 2005·Application pending·0 cites
- 1836US7004882B2Toroidal-type continuously variable transmissionNSK LTD·Filed 2002·Granted Feb 28, 2006·0 cites·1 claims
- 1932US2008078264A1Ball Screw MechanismNSK LTD·Filed 2005·Application pending·0 cites
- 2027US2015311805A1Power supply device, image forming apparatus, laser device, laser ignition device, and electronic deviceYAMASHITA TOMOFUMI·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →