Inventor · disambiguated record
Katsumi Aoki
Also filed as: AOKI KATSUMI
44 granted patents·3 pending applications·480 citations·filing 1974–2022
98Inventor score
Top patents by PatentIndex Score
47 records- 0197US7525239B2Piezoelectric element, and liquid jet head and ultrasonic motor using the piezoelectric elementCANON KK·Filed 2007·Granted Apr 28, 2009·27 cites·5 claims
- 0295US7646140B2Piezoelectric element containing perovskite type oxide, and liquid jet head and ultrasonic motor using the piezoelectric elementCANON KK·Filed 2009·Granted Jan 12, 2010·14 cites·4 claims
- 0395US7235917B2Piezoelectric member element and liquid discharge head comprising element thereofCANON KK·Filed 2005·Granted Jun 26, 2007·19 cites·10 claims
- 0494US7926933B2Ink jet printing method and ink jet printing apparatusCANON KK·Filed 2006·Granted Apr 19, 2011·17 cites·9 claims
- 0594US7521845B2Piezoelectric substance, piezoelectric element, liquid discharge head using piezoelectric element, and liquid discharge apparatusCANON KK·Filed 2006·Granted Apr 21, 2009·16 cites·10 claims
- 0692US7309950B1Piezoelectric device, liquid discharge head employing this device and liquid discharge apparatusCANON KK·Filed 2006·Granted Dec 18, 2007·14 cites·8 claims
- 0792US5422210AElectrophotographic photosensitive member and electrophotographic apparatus, device unit and facsimile machine using the sameCANON KK·Filed 1992·Granted Jun 6, 1995·47 cites·26 claims
- 0890US7591543B2Piezoelectric member, piezoelectric member element, liquid discharge head in use thereof, liquid discharge apparatus and method of manufacturing piezoelectric memberCANON KK·Filed 2006·Granted Sep 22, 2009·11 cites·15 claims
- 0990US7144101B2Piezoelectric elementCANON KK·Filed 2004·Granted Dec 5, 2006·32 cites·20 claims
- 1089US7804231B2Epitaxial oxide film, piezoelectric film, piezoelectric film element, liquid discharge head using the piezoelectric film element, and liquid discharge apparatusCANON KK·Filed 2007·Granted Sep 28, 2010·11 cites·23 claims
- 1187US7301261B2Dielectric element, piezoelectric element, ink jet head and ink jet recording apparatus and manufacturing method of sameCANON KK·Filed 2005·Granted Nov 27, 2007·9 cites·16 claims
- 1282US7528530B2Piezoelectric substance, piezoelectric substance element, liquid discharge head, liquid discharge device and method for producing piezoelectric substanceCANON KK·Filed 2006·Granted May 5, 2009·6 cites·11 claims
- 1381US8387220B2Method of manufacturing a piezoelectric elementISHIKURA JUNRI·Filed 2010·Granted Mar 5, 2013·8 cites·9 claims
- 1481US6716495B1Ink-jet recording apparatus and recording mediumCANON KK·Filed 2001·Granted Apr 6, 2004·21 cites·6 claims
- 1580US8142678B2Perovskite type oxide material, piezoelectric element, liquid discharge head and liquid discharge apparatus using the same, and method of producing perovskite type oxide materialMATSUDA TAKANORI·Filed 2006·Granted Mar 27, 2012·6 cites·11 claims
- 1680US3958652AApparatus movably adhering to a wall and adapted to carry a cleaning apparatusSANKO CO LTD·Filed 1974·Granted May 25, 1976·27 cites·18 claims
- 1779US7528532B2Piezoelectric substance and manufacturing method thereof, piezoelectric element and liquid discharge head using such piezoelectric element and liquid discharge apparatusCANON KK·Filed 2006·Granted May 5, 2009·5 cites·9 claims
- 1878US7874649B2Piezoelectric element, ink jet head and producing method for piezoelectric elementCANON KK·Filed 2007·Granted Jan 25, 2011·4 cites·5 claims
- 1974US5418099AElectrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the sameCANON KK·Filed 1993·Granted May 23, 1995·22 cites·12 claims
- 2073US8114307B2Piezoelectric body and liquid discharge headAOKI KATSUMI·Filed 2007·Granted Feb 14, 2012·4 cites·10 claims
- 2173US7262544B2Dielectric element, piezoelectric element, ink jet head and method for producing the same headCANON KK·Filed 2004·Granted Aug 28, 2007·15 cites·13 claims
- 2269US6296978B1Electrophotographic photosensitive member, a process-cartridge inclusive thereof, and an image forming apparatusCANON KK·Filed 1998·Granted Oct 2, 2001·19 cites·12 claims
- 2368US7984977B2Piezoelectric element, manufacturing method for piezoelectric body, and liquid jet headCANON KK·Filed 2007·Granted Jul 26, 2011·4 cites·4 claims
- 2468US7732997B2Piezoelectric element and manufacturing method thereof, electronic device, ink jet deviceCANON KK·Filed 2007·Granted Jun 8, 2010·4 cites·12 claims
- 2567US5833168AResidual paper web winding deviceTOKYO KIKAI SEISAKUSHO LTD·Filed 1997·Granted Nov 10, 1998·21 cites·5 claims
- 2667US5254423AElectrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive memberCANON KK·Filed 1992·Granted Oct 19, 1993·16 cites·27 claims
- 2765US12417720B2Display device and multi-displayKYOCERA CORP·Filed 2022·Granted Sep 16, 2025·0 cites·19 claims
- 2865US5283142AImage-holding member, and electrophotographic apparatus, apparatus unit, and facsimile machine employing the sameCANON KK·Filed 1992·Granted Feb 1, 1994·15 cites·19 claims
- 2963US7874648B2Manufacturing method for piezoelectric body, piezoelectric element, and liquid discharge headCANON KK·Filed 2007·Granted Jan 25, 2011·2 cites·7 claims
- 3062US6241179B1Method and apparatus for web flutter containment, and application to web splicingTOKYO KIKAI SEISAKUSHO LTD·Filed 1999·Granted Jun 5, 2001·14 cites·4 claims
- 3161US7517063B2Piezoelectric elementCANON KK·Filed 2006·Granted Apr 14, 2009·1 cites·8 claims
- 3260US7998362B2Piezoelectric substance, piezoelectric element, liquid discharge head using piezoelectric element, liquid discharge apparatus, and production method of piezoelectric elementCANON KK·Filed 2006·Granted Aug 16, 2011·1 cites·11 claims
- 3359US7759845B2Piezoelectric substance element, liquid discharge head utilizing the same and optical elementCANON KK·Filed 2007·Granted Jul 20, 2010·1 cites·6 claims
- 3458US7999441B2Piezoelectric actuator and liquid discharge head using the sameCANON KK·Filed 2008·Granted Aug 16, 2011·1 cites·10 claims
- 3554US5215276ARemaining paper rewinding device in a printing systemTOKYO KIKAI SEISAKUSHO LTD·Filed 1991·Granted Jun 1, 1993·11 cites·7 claims
- 3653US8033654B2Piezoelectric element, ink jet head and producing method for piezoelectric elementCANON KK·Filed 2010·Granted Oct 11, 2011·0 cites·6 claims
- 3751US6576981B1Reduced particulate etchingLSI LOGIC CORP·Filed 2001·Granted Jun 10, 2003·1 cites·1 claims
- 3850US2023178698A1Display deviceKYOCERA CORP·Filed 2021·Application pending·0 cites
- 3947US2022157854A1Micro-light-emitting diode mounting board and display device including micro-light-emitting diode mounting boardKYOCERA CORP·Filed 2020·Application pending·0 cites
- 4045US6753268B2Reduced particulate etchingLSI LOGIC CORP·Filed 2003·Granted Jun 22, 2004·0 cites·4 claims
- 4143US2024237452A1Display deviceKYOCERA CORP·Filed 2022·Application pending·0 cites
- 4242US5629094AImage transfer medium carrier member and image forming apparatus incorporating the sameCANON KK·Filed 1995·Granted May 13, 1997·8 cites·8 claims
- 4341US6540328B1Printing apparatus and printing methodCANON KK·Filed 1999·Granted Apr 1, 2003·7 cites·24 claims
- 4440US5418098AElectrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive memberCANON KK·Filed 1992·Granted May 23, 1995·5 cites·21 claims
- 4538US4483022ABaseball gloveMIZUNO KK·Filed 1982·Granted Nov 20, 1984·10 cites·2 claims
- 4636US5633702ATransfer material carrying member and image-forming apparatus comprising such transfer material carrying memberCANON KK·Filed 1996·Granted May 27, 1997·3 cites·29 claims
- 4731US6472064B1Tab for fixing paper web end portion of paper rollTOKYO KIKAI SEISAKUSHO LTD·Filed 1999·Granted Oct 29, 2002·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →