Inventor · disambiguated record
Toshifumi Yoshioka
Also filed as: YOSHIOKA TOSHIFUMI
30 granted patents·8 pending applications·605 citations·filing 1988–2024
97Inventor score
Files withCANON KK37
Top patents by PatentIndex Score
38 records- 0193US7442404B2Electronic device, electron source and manufacturing method for electronic deviceCANON KK·Filed 2006·Granted Oct 28, 2008·15 cites·1 claims
- 0288US6815001B1Electronic device, method for producing electron source and image forming device, and apparatus for producing electronic deviceCANON KK·Filed 2000·Granted Nov 9, 2004·30 cites·18 claims
- 0387US7064475B2Electron source structure covered with resistance filmCANON KK·Filed 2003·Granted Jun 20, 2006·21 cites·4 claims
- 0482US5000545ALiquid crystal device with metal electrode partially overlying transparent electrodeCANON KK·Filed 1990·Granted Mar 19, 1991·47 cites·20 claims
- 0581US5412494ALiquid crystal device with metal oxide masking films with breaks between films under metal lead electrodesCANON KK·Filed 1991·Granted May 2, 1995·58 cites·4 claims
- 0680US6613399B2Production processes of printed substrate, electron-emitting element, electron source and image-forming apparatusCANON KK·Filed 1998·Granted Sep 2, 2003·31 cites·40 claims
- 0780US5406398ALiquid crystal injection method using dummy electrodesCANON KK·Filed 1993·Granted Apr 11, 1995·46 cites·6 claims
- 0880US4859036ADevice plate having conductive films selected to prevent pin-holesCANON KK·Filed 1988·Granted Aug 22, 1989·40 cites·19 claims
- 0976US12313731B2Processing systemCANON KK·Filed 2023·Granted May 27, 2025·0 cites·21 claims
- 1075US5150233ALiquid crystal device and display apparatus with a three-layered electrode of ito, molybdenum, and aluminumCANON KK·Filed 1991·Granted Sep 22, 1992·36 cites·15 claims
- 1174US5285300ALiquid crystal deviceCANON KK·Filed 1992·Granted Feb 8, 1994·35 cites·8 claims
- 1272US5543946ALiquid crystal device and display apparatus with multilayer electrodesCANON KK·Filed 1995·Granted Aug 6, 1996·38 cites·5 claims
- 1372US5185059AProcess for producing electrode plate structure for liquid crystal color display deviceCANON KK·Filed 1991·Granted Feb 9, 1993·26 cites·3 claims
- 1471US5568291AElectrode substrate with light shielding film having upper surface coplanar with upper surface of laminate electrodesCANON KK·Filed 1994·Granted Oct 22, 1996·30 cites·6 claims
- 1565US5548428AProcess for injecting ferroelectric liquid crystal with injection completed above atmospheric pressureCANON KK·Filed 1993·Granted Aug 20, 1996·28 cites·6 claims
- 1664US5482803AProcess for preparing filterCANON KK·Filed 1993·Granted Jan 9, 1996·15 cites·11 claims
- 1764US2020296265A1Processing systemCANON KK·Filed 2020·Application pending·0 cites
- 1863US2023262312A1Movable bodyCANON KK·Filed 2023·Application pending·0 cites
- 1962US6320639B1Liquid crystal device and process for production thereofCANON KK·Filed 1997·Granted Nov 20, 2001·32 cites·9 claims
- 2059US5361153AElectrode plate and process for production thereofCANON KK·Filed 1992·Granted Nov 1, 1994·17 cites·13 claims
- 2159US2025176436A1Liquid ejection head and method of manufacturing liquid ejection headCANON KK·Filed 2024·Application pending·0 cites
- 2257US11496095B2OscillatorCANON KK·Filed 2021·Granted Nov 8, 2022·0 cites·18 claims
- 2356US11309257B2Semiconductor apparatus for detecting or oscillating electromagnetic wavesCANON KK·Filed 2020·Granted Apr 19, 2022·0 cites·11 claims
- 2452US2020296266A1Movable bodyCANON KK·Filed 2020·Application pending·0 cites
- 2548US5830608AProcess for preparing filterCANON KK·Filed 1997·Granted Nov 3, 1998·9 cites·28 claims
- 2648US5348828AProcess for producing electrode substrateCANON KK·Filed 1991·Granted Sep 20, 1994·12 cites·6 claims
- 2746US5278683AElectrode plate structure for liquid crystal color display deviceCANON KK·Filed 1992·Granted Jan 11, 1994·5 cites·5 claims
- 2846US5124826ALiquid crystal deviceCANON KK·Filed 1990·Granted Jun 23, 1992·11 cites·2 claims
- 2945US9533503B2Liquid ejection headCANON KK·Filed 2015·Granted Jan 3, 2017·0 cites·5 claims
- 3045US2020293806A1Camera system and facilityCANON KK·Filed 2020·Application pending·0 cites
- 3144US5329389ALiquid crystal deviceCANON KK·Filed 1993·Granted Jul 12, 1994·6 cites·5 claims
- 3243US2018140200A1Probe array, acoustic wave unit, and information acquisition apparatuses using sameCANON KK·Filed 2017·Application pending·0 cites
- 3342US5639511AProcess for producing liquid crystal deviceCANON KK·Filed 1995·Granted Jun 17, 1997·5 cites·6 claims
- 3439US9616666B2Method of manufacturing element substrateCANON KK·Filed 2015·Granted Apr 11, 2017·0 cites·12 claims
- 3537US5942066AProcess for producing liquid crystal deviceCANON KK·Filed 1996·Granted Aug 24, 1999·10 cites·25 claims
- 3637US5392144AColor filter substrate with color filter pattern and protective layers containing photosensitive polyamide resinsCANON KK·Filed 1994·Granted Feb 21, 1995·2 cites·6 claims
- 3735US2016059557A1Element substrate and liquid ejection headCANON KK·Filed 2015·Application pending·0 cites
- 3830US2002031623A1Method for forming thin film for liquid crystal displayFiled 1994·Application pending·0 cites
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