Inventor · disambiguated record
Hiroki Tajima
Also filed as: TAJIMA HIROKI
98 granted patents·10 pending applications·1,512 citations·filing 1986–2025
99Inventor score
Top patents by PatentIndex Score
108 records- 0196US11433677B2Liquid storage device and liquid filling methodCANON KK·Filed 2020·Granted Sep 6, 2022·3 cites·11 claims
- 0295US6431681B2Recording apparatus, liquid container cartridge and liquid containerCANON KK·Filed 2001·Granted Aug 13, 2002·65 cites·9 claims
- 0395US5826333AMethod of manufacturing an ink jet headCANON KK·Filed 1995·Granted Oct 27, 1998·101 cites·4 claims
- 0494US6945643B2Ink jet head storing structure and liquid filling methodCANON KK·Filed 2002·Granted Sep 20, 2005·47 cites·9 claims
- 0593US7044588B2Ink jet head storing structure and liquid filling methodCANON KK·Filed 2005·Granted May 16, 2006·14 cites·1 claims
- 0692US6179415B1Ink tank cartridgeCANON KK·Filed 1994·Granted Jan 30, 2001·87 cites·30 claims
- 0791US2025353302A1Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0890US11192381B2Liquid ejection apparatus and liquid filling methodCANON KK·Filed 2020·Granted Dec 7, 2021·2 cites·7 claims
- 0990US6799841B2Ink jet recording head, ink jet recording apparatus using such ink jet recording head, and method for manufacturing ink jet recording headCANON KK·Filed 2002·Granted Oct 5, 2004·36 cites·21 claims
- 1090US6406137B1Ink-jet print head and production method of ink-jet print headCANON KK·Filed 1999·Granted Jun 18, 2002·71 cites·24 claims
- 1190US5701995APacking case and opening method thereforCANON KK·Filed 1996·Granted Dec 30, 1997·73 cites·11 claims
- 1289US6062666AInk jet recording method and apparatus beginning driving cycle with discharge elements other than at ends of substratesCANON KK·Filed 1995·Granted May 16, 2000·69 cites·26 claims
- 1388US6805437B2Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling methodCANON KK·Filed 2002·Granted Oct 19, 2004·34 cites·49 claims
- 1488US4726640AOptical deflector with a pneumatic and a magnetic bearingRICOH KK·Filed 1986·Granted Feb 23, 1988·87 cites·10 claims
- 1587US8894182B2Liquid discharge headOSAKI YASUHIKO·Filed 2011·Granted Nov 25, 2014·6 cites·9 claims
- 1687US7712870B2Ink jet recording head with sealant filling region in substrateCANON KK·Filed 2007·Granted May 11, 2010·9 cites·8 claims
- 1786US7537312B2Recording apparatusCANON KK·Filed 2006·Granted May 26, 2009·7 cites·14 claims
- 1885US7150519B2Ink jet recording apparatusCANON KK·Filed 2002·Granted Dec 19, 2006·30 cites·2 claims
- 1985US6975466B2Liquid discharge recording head, liquid discharge recording apparatus, and method for manufacturing liquid discharge headCANON KK·Filed 2003·Granted Dec 13, 2005·22 cites·20 claims
- 2085US6733117B2Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the sameCANON KK·Filed 2002·Granted May 11, 2004·27 cites·12 claims
- 2184US11660867B2Liquid ejection headCANON KK·Filed 2020·Granted May 30, 2023·1 cites·12 claims
- 2284US6631966B2Recording head and recording apparatus with temperature controlCANON KK·Filed 2001·Granted Oct 14, 2003·25 cites·18 claims
- 2383US6132036AInk tank, production process of ink tank and ink-jet printing apparatusCANON KK·Filed 1996·Granted Oct 17, 2000·46 cites·44 claims
- 2483US5361087ALiquid jet unit with orifices and recording apparatus using the sameCANON KK·Filed 1994·Granted Nov 1, 1994·45 cites·25 claims
- 2582US6652062B2Liquid discharge recording head with orifice plate having extended portion fixed to recording head main body, liquid discharge recording apparatus having such head, and method for manufacturing such headCANON KK·Filed 2001·Granted Nov 25, 2003·19 cites·29 claims
- 2681US8251493B2Recording apparatusSEKINO TAKESHI·Filed 2009·Granted Aug 28, 2012·5 cites·8 claims
- 2781US6540343B1Liquid ejecting head unit and manufacturing method thereforCANON KK·Filed 2000·Granted Apr 1, 2003·19 cites·12 claims
- 2880US12397559B2Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2023·Granted Aug 26, 2025·0 cites·18 claims
- 2980US6206513B1Ink tank unit, an ink jet cartridge having said ink tank unit and an ink jet apparatus having said ink jet cartridgeCANON KK·Filed 1998·Granted Mar 27, 2001·35 cites·33 claims
- 3078USD375975SPrinting headCANON KK·Filed 1995·Granted Nov 26, 1996·21 cites·1 claims
- 3178USD353997SContainerCANON KK·Filed 1993·Granted Jan 3, 1995·18 cites·1 claims
- 3277US8801156B2Flow passage assembly and method for manufacturing flow passage assembly, inkjet recording head, and recording apparatusSHIMAMURA RYO·Filed 2012·Granted Aug 12, 2014·3 cites·12 claims
- 3376USD363507SInk cartridge for printerCANON KK·Filed 1993·Granted Oct 24, 1995·17 cites·1 claims
- 3475US6631982B2Liquid ejecting apparatusCANON KK·Filed 2002·Granted Oct 14, 2003·16 cites·14 claims
- 3575US5867200APrint head, and print pre-heat method and apparatus using the sameCANON KK·Filed 1995·Granted Feb 2, 1999·33 cites·23 claims
- 3674USD535688SInk cartridge for printerCANON KK·Filed 2005·Granted Jan 23, 2007·20 cites·1 claims
- 3774USD534582SInk cartridge for printerCANON KK·Filed 2005·Granted Jan 2, 2007·20 cites·1 claims
- 3874US6257711B1Ink filling method and apparatus for ink cartridgeCANON KK·Filed 1998·Granted Jul 10, 2001·27 cites·16 claims
- 3974USD363508SInk cartridge for printerCANON KK·Filed 1993·Granted Oct 24, 1995·16 cites·1 claims
- 4073US6250752B1Ink supply device and ink-jet recording head with filter and shaped flow passageCANON KK·Filed 1999·Granted Jun 26, 2001·29 cites·9 claims
- 4173US2025289220A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 4272US10356258B2Image processing system performing screen data selection, image processing device, terminal device and non-transitory readable recording mediumKONICA MINOLTA INC·Filed 2016·Granted Jul 16, 2019·2 cites·9 claims
- 4372US7591527B2Ink jet printing headCANON KK·Filed 2006·Granted Sep 22, 2009·3 cites·1 claims
- 4472US6332675B1Ink container, ink and ink jet recording apparatus using ink containerCANON KK·Filed 1999·Granted Dec 25, 2001·28 cites·95 claims
- 4570US9323350B2Display control device, display control method, and recording mediumKONICA MINOLTA INC·Filed 2014·Granted Apr 26, 2016·1 cites·21 claims
- 4670US6851795B2Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for sameCANON KK·Filed 2002·Granted Feb 8, 2005·13 cites·28 claims
- 4770US5953031AInk tank with ink container and waste ink containerCANON KK·Filed 1996·Granted Sep 14, 1999·28 cites·17 claims
- 4867US8025382B2Ink jet head cartridge, print head, ink container, and method for manufacturing ink jet head cartridgeCANON KK·Filed 2007·Granted Sep 27, 2011·2 cites·10 claims
- 4967US7530681B2Ink jet print headCANON KK·Filed 2006·Granted May 12, 2009·2 cites·2 claims
- 5066US11787189B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2021·Granted Oct 17, 2023·0 cites·18 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →