Inventor · disambiguated record
Toshihiko Ujita
Also filed as: UJITA TOSHIHIKO
116 granted patents·4 pending applications·4,647 citations·filing 1990–2015
99Inventor score
Top patents by PatentIndex Score
120 records- 0199US8425022B2Ink container for ink jet printer, holder for the container, carriage for the holder, and ink jet printerINOUE HIROYUKI·Filed 2010·Granted Apr 23, 2013·22 cites·9 claims
- 0299US5619237AReplaceable ink tankCANON KK·Filed 1995·Granted Apr 8, 1997·264 cites·31 claims
- 0399US5506611AReplaceable ink cartridge having surface wiring resistance patternCANON KK·Filed 1995·Granted Apr 9, 1996·457 cites·3 claims
- 0499US5138344AInk jet apparatus and ink jet cartridge thereforCANON KK·Filed 1991·Granted Aug 11, 1992·374 cites·13 claims
- 0598US7401909B2Ink container for ink jet printer, holder for the container, carriage for the holder and ink jet printerCANON KK·Filed 2005·Granted Jul 22, 2008·30 cites·6 claims
- 0698US6312084B1Ink jet recording apparatus and ink cartridge for the apparatusCANON KK·Filed 2000·Granted Nov 6, 2001·113 cites·15 claims
- 0798US5784088AInk jet recording apparatus using recording unit with ink cartridge having ink inducing elementCANON KK·Filed 1996·Granted Jul 21, 1998·142 cites·44 claims
- 0898US5619239AReplaceable ink tankCANON KK·Filed 1994·Granted Apr 8, 1997·143 cites·26 claims
- 0997US7914137B2Ink container for ink jet printer, holder for the container, carriage for the holder, and ink jet printerCANON KK·Filed 2008·Granted Mar 29, 2011·22 cites·15 claims
- 1097US6170939B1Liquid storing container for recording apparatusCANON KK·Filed 1996·Granted Jan 9, 2001·148 cites·6 claims
- 1197US5583549ALiquid storing container for recording apparatusCANON KK·Filed 1993·Granted Dec 10, 1996·132 cites·10 claims
- 1297USD341619SInk cartridge for printerCANON KK·Filed 1992·Granted Nov 23, 1993·64 cites·1 claims
- 1397USD331939SInk cartridgeCANON KK·Filed 1990·Granted Dec 22, 1992·74 cites·1 claims
- 1496US5608437AInk container and ink jet recording apparatus using sameCANON KK·Filed 1992·Granted Mar 4, 1997·124 cites·10 claims
- 1596USD348478SInk cartridge for printerCANON KK·Filed 1992·Granted Jul 5, 1994·55 cites·1 claims
- 1696USD341620SInk cartridge for printerCANON KK·Filed 1992·Granted Nov 23, 1993·61 cites·1 claims
- 1796USD338224SInk cartridgeCANON KK·Filed 1990·Granted Aug 10, 1993·55 cites·1 claims
- 1895USD356332SInk cartridge for printerCANON KK·Filed 1993·Granted Mar 14, 1995·49 cites·1 claims
- 1995USD355215SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 7, 1995·49 cites·1 claims
- 2095USD351855SInk cartridge for printerCANON KK·Filed 1993·Granted Oct 25, 1994·51 cites·1 claims
- 2195USD349723SInk cartridgeCANON KK·Filed 1993·Granted Aug 16, 1994·52 cites·1 claims
- 2295USD348479SInk cartridge for printerCANON KK·Filed 1992·Granted Jul 5, 1994·60 cites·1 claims
- 2395USD348480SInk cartridge for printerCANON KK·Filed 1992·Granted Jul 5, 1994·57 cites·1 claims
- 2494US6361158B1Ink container for ink jet printing, holder for the container, carriage for the holder and ink jet printerCANON KK·Filed 1998·Granted Mar 26, 2002·61 cites·64 claims
- 2594US6336709B1Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printerCANON KK·Filed 1998·Granted Jan 8, 2002·62 cites·21 claims
- 2694US5400066AInk tank cartridge that prevents leakage of residual ink and ink jet recording apparatus using sameCANON KK·Filed 1994·Granted Mar 21, 1995·98 cites·9 claims
- 2794USD355929SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 28, 1995·47 cites·1 claims
- 2894USD355210SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 7, 1995·46 cites·1 claims
- 2994USD355213SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 7, 1995·46 cites·1 claims
- 3094USD348477SInk cartridge for printerCANON KK·Filed 1992·Granted Jul 5, 1994·48 cites·1 claims
- 3193US8240826B2Ink tank for liquid printing apparatus, method of manufacturing same, liquid printing apparatus with same, and method of detecting remaining inkFUKUSHIMA TAKASHI·Filed 2010·Granted Aug 14, 2012·10 cites·8 claims
- 3293US7407275B2Ink container for ink jet printer, holder for the container, carriage for the holder and ink jet printerCANON KK·Filed 2003·Granted Aug 5, 2008·32 cites·13 claims
- 3393US5781213ALiquid storing container having filter interface for recording apparatusCANON KK·Filed 1996·Granted Jul 14, 1998·76 cites·6 claims
- 3493US5500663ARecording ink container with an air vent valveCANON KK·Filed 1993·Granted Mar 19, 1996·88 cites·7 claims
- 3593USD363736SInk cartridge for printerCANON KK·Filed 1994·Granted Oct 31, 1995·44 cites·1 claims
- 3693USD348688SInk cartridgeCANON KK·Filed 1993·Granted Jul 12, 1994·43 cites·1 claims
- 3791US7726792B2Ink tank for liquid printing apparatus, method of manufacturing same, liquid printing apparatus with same, and method of detecting remaining inkCANON KK·Filed 2005·Granted Jun 1, 2010·12 cites·4 claims
- 3891US5589862ALiquid storing container for recording apparatusCANON KK·Filed 1995·Granted Dec 31, 1996·66 cites·8 claims
- 3991US5430471ALiquid container, recording head using same and recording apparatus using sameCANON KK·Filed 1992·Granted Jul 4, 1995·72 cites·17 claims
- 4091US5381172AInk jet head cartridge, ink tank cartridge using degradeable plastic as part of construction or package thereof and ink jet apparatus having fitting part for the cartridgesCANON KK·Filed 1991·Granted Jan 10, 1995·129 cites·15 claims
- 4188US6243116B1Ink container, installing-removing method therefore and apparatus usable with the sameCANON KK·Filed 1997·Granted Jun 5, 2001·43 cites·9 claims
- 4288USRE36279EInk jet apparatus and ink jet cartridge thereforCANON KK·Filed 1997·Granted Aug 24, 1999·61 cites·13 claims
- 4388USD352059SInk cartridge for printerCANON KK·Filed 1993·Granted Nov 1, 1994·30 cites·1 claims
- 4487US6840610B2Liquid container, ink jet cartridge and ink jet printing apparatusCANON KK·Filed 2003·Granted Jan 11, 2005·30 cites·12 claims
- 4586US7470012B2Liquid storage container and liquid ejection recording apparatus having the container mounted thereonCANON KK·Filed 2006·Granted Dec 30, 2008·7 cites·5 claims
- 4685US6783220B2Ink jet recording apparatus using recording unit with ink cartridge having ink inducing elementCANON KK·Filed 2002·Granted Aug 31, 2004·19 cites·8 claims
- 4785US6145975AMethod of mounting an exchangeable ink containerCANON KK·Filed 1996·Granted Nov 14, 2000·37 cites·25 claims
- 4884US7111931B2Ink tankCANON KK·Filed 2004·Granted Sep 26, 2006·24 cites·14 claims
- 4984US6070974AInk jet unit for a detachably mountable ink containerCANON KK·Filed 1997·Granted Jun 6, 2000·36 cites·8 claims
- 5083US8007094B2Ink jet cartridgeCANON KK·Filed 2008·Granted Aug 30, 2011·6 cites·13 claims
Showing the top 50 of 120 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →