Inventor · disambiguated record
Keiichiro Tsukuda
Also filed as: TSUKUDA KEIICHIRO
95 granted patents·5 pending applications·2,748 citations·filing 1992–2025
99Inventor score
Top patents by PatentIndex Score
100 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
- 0398US10118396B2Printing apparatus and liquid storage memberCANON KK·Filed 2017·Granted Nov 6, 2018·17 cites·24 claims
- 0498US9738081B2Printing apparatus and liquid storage memberCANON KK·Filed 2016·Granted Aug 22, 2017·24 cites·14 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
- 0698US5784088AInk jet recording apparatus using recording unit with ink cartridge having ink inducing elementCANON KK·Filed 1996·Granted Jul 21, 1998·142 cites·44 claims
- 0798USD338232SInk cartridge for printerCANON KK·Filed 1992·Granted Aug 10, 1993·76 cites·1 claims
- 0897US9981478B2Liquid ejecting device and head with flexible member for supplying liquid from a main tankCANON KK·Filed 2016·Granted May 29, 2018·12 cites·20 claims
- 0997US9962945B2Liquid ejecting device, head, and liquid filling methodCANON KK·Filed 2016·Granted May 8, 2018·14 cites·12 claims
- 1097US7914137B2Ink 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
- 1197US6170939B1Liquid storing container for recording apparatusCANON KK·Filed 1996·Granted Jan 9, 2001·148 cites·6 claims
- 1297US5583549ALiquid storing container for recording apparatusCANON KK·Filed 1993·Granted Dec 10, 1996·132 cites·10 claims
- 1396US11433677B2Liquid storage device and liquid filling methodCANON KK·Filed 2020·Granted Sep 6, 2022·3 cites·11 claims
- 1496US9981477B2Liquid ejecting device and headCANON KK·Filed 2016·Granted May 29, 2018·12 cites·19 claims
- 1596US6830317B2Ink jet recording headCANON KK·Filed 2003·Granted Dec 14, 2004·77 cites·30 claims
- 1696US5608437AInk container and ink jet recording apparatus using sameCANON KK·Filed 1992·Granted Mar 4, 1997·124 cites·10 claims
- 1795US6102533AInk container, ink container holder for removably holding ink container, and ink container capCANON KK·Filed 1997·Granted Aug 15, 2000·99 cites·10 claims
- 1895USD348479SInk cartridge for printerCANON KK·Filed 1992·Granted Jul 5, 1994·60 cites·1 claims
- 1994US6361158B1Ink 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
- 2094US6336709B1Ink 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
- 2193US7607758B2Ink jet printing head and ink jet printing apparatus using the sameCANON KK·Filed 2006·Granted Oct 27, 2009·13 cites·8 claims
- 2293US7407275B2Ink 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
- 2393US7384129B2Ink jet recording head, ink jet cartridge comprising recording head, and method for refilling ink cartridge with inkCANON KK·Filed 2005·Granted Jun 10, 2008·16 cites·9 claims
- 2493US7172264B2Ink jet recording heat and ink discharge methodCANON KK·Filed 2005·Granted Feb 6, 2007·12 cites·1 claims
- 2593US6626528B2Ink jet print head with bubble dischargeCANON KK·Filed 2001·Granted Sep 30, 2003·47 cites·6 claims
- 2693US5781213ALiquid storing container having filter interface for recording apparatusCANON KK·Filed 1996·Granted Jul 14, 1998·76 cites·6 claims
- 2793USD363736SInk cartridge for printerCANON KK·Filed 1994·Granted Oct 31, 1995·44 cites·1 claims
- 2892US6815381B1Fibrous material, production process of the fibrous material, ink-absorbing, treating process of the ink-absorbing member, ink tank container and ink cartridgeCANON KK·Filed 1998·Granted Nov 9, 2004·76 cites·75 claims
- 2991US5604523AInk container, an ink jet cartridge and ink jet recording apparatusCANON KK·Filed 1994·Granted Feb 18, 1997·73 cites·16 claims
- 3091US5589862ALiquid storing container for recording apparatusCANON KK·Filed 1995·Granted Dec 31, 1996·66 cites·8 claims
- 3191US5430471ALiquid container, recording head using same and recording apparatus using sameCANON KK·Filed 1992·Granted Jul 4, 1995·72 cites·17 claims
- 3290US11192381B2Liquid ejection apparatus and liquid filling methodCANON KK·Filed 2020·Granted Dec 7, 2021·2 cites·7 claims
- 3390US6152555AInk container, ink container holder for removably holding ink container, and ink container capCANON KK·Filed 1999·Granted Nov 28, 2000·60 cites·1 claims
- 3489US6988786B2Ink jet recording head and ink discharge methodCANON KK·Filed 2003·Granted Jan 24, 2006·29 cites·3 claims
- 3589US6234615B1Ink injection method, ink injection device, and ink-jet recording apparatus provided with the sameCANON KK·Filed 1999·Granted May 22, 2001·66 cites·12 claims
- 3688US6984025B2Ink jet headCANON KK·Filed 2003·Granted Jan 10, 2006·33 cites·9 claims
- 3787USRE49336EPrinting apparatus and liquid storage memberCANON KK·Filed 2019·Granted Dec 20, 2022·1 cites·40 claims
- 3887USD816158SInk bottle for printerCANON KK·Filed 2016·Granted Apr 24, 2018·26 cites·1 claims
- 3986USD869550SNozzle cap for ink bottle for printerCANON KK·Filed 2017·Granted Dec 10, 2019·22 cites·1 claims
- 4085US6783220B2Ink jet recording apparatus using recording unit with ink cartridge having ink inducing elementCANON KK·Filed 2002·Granted Aug 31, 2004·19 cites·8 claims
- 4185USD401620SInk tank for printerCANON KK·Filed 1997·Granted Nov 24, 1998·29 cites·1 claims
- 4284US7077503B2Ink jet headCANON KK·Filed 2003·Granted Jul 18, 2006·24 cites·16 claims
- 4383US6454399B2Ink jet recording apparatus using recording unit with ink cartridge having ink inducing elementCANON KK·Filed 1998·Granted Sep 24, 2002·34 cites·5 claims
- 4481USRE50482EPrinting apparatus and liquid storage memberCANON KK·Filed 2022·Granted Jul 8, 2025·0 cites·37 claims
- 4581US7874639B2Ink jet recording head, ink jet cartridge with ink jet recording head, and ink jet recording apparatusCANON KK·Filed 2006·Granted Jan 25, 2011·6 cites·7 claims
- 4681US7407274B2Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printerCANON KK·Filed 1997·Granted Aug 5, 2008·26 cites·31 claims
- 4780US12297013B2Liquid refill container for refilling liquid discharge apparatus with liquid, and reuse system using liquid refill containerCANON KK·Filed 2023·Granted May 13, 2025·0 cites·11 claims
- 4880US6626516B2Ink jet printing apparatus, method of supplying ink and method of recovering ink jet print headCANON KK·Filed 2001·Granted Sep 30, 2003·19 cites·12 claims
- 4980USD382014SInk cartridge holder for printerCANON KK·Filed 1995·Granted Aug 5, 1997·23 cites·1 claims
- 5080US5504511AInk containerCANON KK·Filed 1993·Granted Apr 2, 1996·40 cites·8 claims
Showing the top 50 of 100 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →