Inventor · disambiguated record
Takashi Ushijima
Also filed as: HORIUCHI TOMOFUSA · USHIJIMA TAKASHI
45 granted patents·6 pending applications·491 citations·filing 1976–2024
98Inventor score
Top patents by PatentIndex Score
51 records- 0197US7149442B2Electric potential sensorCANON KK·Filed 2005·Granted Dec 12, 2006·35 cites·12 claims
- 0295US7504832B2Electric potential measuring apparatus and image forming apparatusCANON KK·Filed 2005·Granted Mar 17, 2009·21 cites·11 claims
- 0392US7382137B2Potential measuring apparatusCANON KK·Filed 2006·Granted Jun 3, 2008·20 cites·7 claims
- 0492US7212007B2Electric potential sensor, and image forming apparatusCANON KK·Filed 2005·Granted May 1, 2007·20 cites·7 claims
- 0592US6632342B1Methods of fabricating a microstructure arrayCANON KK·Filed 2000·Granted Oct 14, 2003·40 cites·25 claims
- 0692US6436265B1Microstructure array, and apparatus and method for forming the microstructure array, and a mold for fabricating a microstructure arrayCANON KK·Filed 2000·Granted Aug 20, 2002·54 cites·51 claims
- 0790US6965239B2Electric potential sensor, and image forming apparatusCANON KK·Filed 2004·Granted Nov 15, 2005·34 cites·9 claims
- 0888US7548066B2Potential measuring device and image forming apparatus using the sameCANON KK·Filed 2006·Granted Jun 16, 2009·9 cites·13 claims
- 0987US7741851B2Potential measuring apparatusCANON KK·Filed 2008·Granted Jun 22, 2010·12 cites·3 claims
- 1080US5929004ADetergent for cleaning tire wheels and cleaning methodNO TOUCH NORTH AMERICA·Filed 1997·Granted Jul 27, 1999·40 cites·10 claims
- 1180US4083184ASystem to supply air into the exhaust conduit of an internal combustion engineNISSAN MOTOR·Filed 1976·Granted Apr 11, 1978·33 cites·7 claims
- 1279US7612569B2Oscillating device, electric potential measuring device, light deflecting device, and image forming apparatusCANON KK·Filed 2007·Granted Nov 3, 2009·5 cites·11 claims
- 1379US6653705B2Aspherical microstructure, and method of fabricating the sameCANON KK·Filed 2001·Granted Nov 25, 2003·21 cites·49 claims
- 1476US6800950B2Microstructure array, mold for forming a microstructure array, and method of fabricating the sameCANON KK·Filed 2002·Granted Oct 5, 2004·16 cites·14 claims
- 1575US7049804B2Electric potential measuring apparatus, and image forming apparatusCANON KK·Filed 2005·Granted May 23, 2006·6 cites·8 claims
- 1674US7583086B2Potential sensorCANON KK·Filed 2007·Granted Sep 1, 2009·7 cites·5 claims
- 1773US7998555B2Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beamsCANON KK·Filed 2010·Granted Aug 16, 2011·1 cites·7 claims
- 1868US6506623B2Microstructure array, mold for forming a microstructure array, and method of fabricating the sameCANON KK·Filed 2001·Granted Jan 14, 2003·10 cites·19 claims
- 1966US9379029B2Inspection apparatus, inspection system, inspection method of semiconductor devices, and manufacturing method of inspected semiconductor devicesOSANAI YOSUKE·Filed 2012·Granted Jun 28, 2016·2 cites·10 claims
- 2066US7741850B2Electric potential measuring apparatus, and image forming apparatusCANON KK·Filed 2006·Granted Jun 22, 2010·2 cites·10 claims
- 2165US7372278B2Electric potential measuring apparatus electrostatic capacitance measuring apparatus, electric potential measuring method, electrostatic capacitance measuring method, and image forming apparatusCANON KK·Filed 2006·Granted May 13, 2008·1 cites·18 claims
- 2263US12507453B2Semiconductor device and manufacturing method of semiconductor deviceDENSO CORP·Filed 2023·Granted Dec 23, 2025·0 cites·9 claims
- 2363US7990159B2Potential measurement apparatus and image forming apparatusCANON KK·Filed 2008·Granted Aug 2, 2011·2 cites·3 claims
- 2463US7833608B2Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beamsCANON KK·Filed 2007·Granted Nov 16, 2010·1 cites·1 claims
- 2563US2025210293A1Electromagnetic relayTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 2662US9691870B2Semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Jun 27, 2017·0 cites·19 claims
- 2762US7275813B2Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beamsCANON KK·Filed 2004·Granted Oct 2, 2007·6 cites·7 claims
- 2862US4335078ACatalytic reactor for automotive exhaust lineNISSAN MOTOR·Filed 1980·Granted Jun 15, 1982·28 cites·5 claims
- 2960US8254004B2Oscillator and optical deflector having oscillatorUSHIJIMA TAKASHI·Filed 2008·Granted Aug 28, 2012·4 cites·10 claims
- 3060US6876051B2Aspherical microstructure, and method of fabricating the sameCANON KK·Filed 2003·Granted Apr 5, 2005·6 cites·4 claims
- 3159US7294389B2Microstructure array and a microlens arrayCANON KK·Filed 2004·Granted Nov 13, 2007·4 cites·8 claims
- 3259US7274193B2Micromechanical potential sensorCANON KK·Filed 2004·Granted Sep 25, 2007·8 cites·4 claims
- 3358US12494396B2Manufacturing method of semiconductor deviceDENSO CORP·Filed 2022·Granted Dec 9, 2025·0 cites·11 claims
- 3457US7670515B2Method for fabricating a mold for a microlensCANON KK·Filed 2003·Granted Mar 2, 2010·1 cites·3 claims
- 3556US6835443B2Microstructure array, and a microlens arrayCANON KK·Filed 2003·Granted Dec 28, 2004·4 cites·7 claims
- 3656US5889086AWater repellent for automobile window glassTAIHO IND CO·Filed 1997·Granted Mar 30, 1999·14 cites·9 claims
- 3755US2023197442A1Semiconductor device and method of manufacturing the sameDENSO CORP·Filed 2022·Application pending·0 cites
- 3854US6656393B2Mold for forming a microlens and method of fabricating the sameCANON KK·Filed 1999·Granted Dec 2, 2003·15 cites·43 claims
- 3953US8244146B2Image forming apparatus and image forming method with error corrected potential measurementsZAITSU YOSHITAKA·Filed 2011·Granted Aug 14, 2012·0 cites·13 claims
- 4050US7919889B2Oscillator device, optical deflector and optical instrument using the sameCANON KK·Filed 2008·Granted Apr 5, 2011·0 cites·16 claims
- 4148US2008112717A1Image forming apparatus and image forming methodCANON KK·Filed 2007·Application pending·0 cites
- 4244US2010302612A1Oscillating structure and oscillator device using the sameCANON KK·Filed 2009·Application pending·0 cites
- 4343US7639020B2Potential sensor and image forming apparatus having potential sensorCANON KK·Filed 2007·Granted Dec 29, 2009·0 cites·8 claims
- 4443US2015097275A1Semiconductor device and manufacturing method of semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 4542US7710129B2Potential measurement apparatus and image forming apparatusCANON KK·Filed 2007·Granted May 4, 2010·0 cites·8 claims
- 4642US2004234814A1Blue light-emitting compounds, blue light-emitting polymers, processes of preparing the blue light-emitting compounds and luminescent element including the blue light-emitting polymersFiled 2004·Application pending·0 cites
- 4741US10128196B2Semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2016·Granted Nov 13, 2018·0 cites·9 claims
- 4841US9437562B2Semiconductor device and manufacturing method of semiconductor deviceTOYOTA MOTOR CO LTD·Filed 2014·Granted Sep 6, 2016·0 cites·4 claims
- 4941US4208361AAutomobile with altitude compensated fuel feed meansNISSAN MOTOR·Filed 1977·Granted Jun 17, 1980·6 cites·5 claims
- 5039US7578943B2Liquid discharge head and producing method thereforCANON KK·Filed 2006·Granted Aug 25, 2009·0 cites·3 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →