Inventor · disambiguated record
Takaaki Yamaguchi
Also filed as: YAMAGUCHI TAKAAKI
79 granted patents·2 pending applications·553 citations·filing 1977–2023
99Inventor score
Top patents by PatentIndex Score
81 records- 0194US7922274B2Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating methodCANON KK·Filed 2007·Granted Apr 12, 2011·13 cites·2 claims
- 0294US6685296B2Ink tank and ink jet recording apparatus provided with the sameCANON KK·Filed 2001·Granted Feb 3, 2004·49 cites·33 claims
- 0393US7549734B2Liquid discharge headCANON KK·Filed 2005·Granted Jun 23, 2009·13 cites·8 claims
- 0493US7216960B2Method of driving a printhead using a constant current and operating MOS transistor in saturation regionCANON KK·Filed 2004·Granted May 15, 2007·40 cites·1 claims
- 0592US8070263B2Printing head substrate, ink jet printing head and ink jet printing apparatus with substrate temperature detecting elementOOHASHI RYOJI·Filed 2009·Granted Dec 6, 2011·17 cites·6 claims
- 0690US8191996B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateOMATA KOICHI·Filed 2010·Granted Jun 5, 2012·6 cites·10 claims
- 0790US7144093B2Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printheadCANON KK·Filed 2005·Granted Dec 5, 2006·10 cites·17 claims
- 0890US6827411B2Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating methodCANON KK·Filed 2001·Granted Dec 7, 2004·28 cites·9 claims
- 0990US6719394B2Semiconductor device, ink tank provided with such semiconductor device, ink jet cartridge, ink jet recording apparatus, method for manufacturing such semiconductor device, and communication system, method for controlling pressure, memory element, security system of ink jet recording apparatusCANON KK·Filed 2001·Granted Apr 13, 2004·48 cites·85 claims
- 1088US7641317B2Liquid discharge recording head and liquid discharge recording head cartridge including the sameCANON KK·Filed 2006·Granted Jan 5, 2010·10 cites·7 claims
- 1187US7841678B2Element substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2007·Granted Nov 30, 2010·7 cites·8 claims
- 1287US7588317B2Printing apparatus, printhead, and driving method thereforCANON KK·Filed 2006·Granted Sep 15, 2009·9 cites·8 claims
- 1386US6966629B2Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printheadCANON KK·Filed 2003·Granted Nov 22, 2005·24 cites·13 claims
- 1485US8070267B2Ink jet recording head and production process thereofTAKEUCHI SOUTA·Filed 2008·Granted Dec 6, 2011·8 cites·9 claims
- 1584US7810907B2Board for inkjet printing head and inkjet printing head using the sameCANON KK·Filed 2006·Granted Oct 12, 2010·7 cites·7 claims
- 1682US8057000B2Element substrate, printhead, head cartridge, and printing apparatusIMANAKA YOSHIYUKI·Filed 2010·Granted Nov 15, 2011·3 cites·13 claims
- 1782US7467864B2Recording head, head cartridge and recording apparatusCANON KK·Filed 2006·Granted Dec 23, 2008·6 cites·9 claims
- 1881US8070262B2Print element substrate, printhead, and printing apparatusYAMAGUCHI TAKAAKI·Filed 2009·Granted Dec 6, 2011·6 cites·8 claims
- 1981US6769754B2Ink jet recording apparatus utilizing solid semiconductor elementCANON KK·Filed 2001·Granted Aug 3, 2004·20 cites·50 claims
- 2080US7896476B2Inkjet printhead board and inkjet printhead using sameCANON KK·Filed 2007·Granted Mar 1, 2011·5 cites·9 claims
- 2179US8672452B2Liquid discharge head and circuit boardHAYASAKI KIMIYUKI·Filed 2011·Granted Mar 18, 2014·3 cites·7 claims
- 2279US7896475B2Element substrate, printhead, and head cartridgeCANON KK·Filed 2008·Granted Mar 1, 2011·5 cites·7 claims
- 2378US10500851B2Print element substrate, printhead, and printing apparatusCANON KK·Filed 2017·Granted Dec 10, 2019·1 cites·16 claims
- 2478US7770989B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2007·Granted Aug 10, 2010·4 cites·5 claims
- 2578US6969154B2Ink jet recording head with multiple recording elements, electrical circuit elements and protecting sectionsCANON KK·Filed 2003·Granted Nov 29, 2005·17 cites·14 claims
- 2677US10603912B2Element board, liquid ejection head, and printing apparatusCANON KK·Filed 2018·Granted Mar 31, 2020·2 cites·18 claims
- 2777US7896455B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2010·Granted Mar 1, 2011·2 cites·6 claims
- 2877US6945629B2Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet headCANON KK·Filed 2003·Granted Sep 20, 2005·14 cites·7 claims
- 2977US4199472AOxygen absorbent compositionMITSUBISHI GAS CHEMICAL CO·Filed 1977·Granted Apr 22, 1980·32 cites·20 claims
- 3076US7810892B2Element substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2007·Granted Oct 12, 2010·4 cites·13 claims
- 3176US7210755B2Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating methodCANON KK·Filed 2003·Granted May 1, 2007·12 cites·2 claims
- 3276US6773096B2Substrate for recording head, recording head, recording apparatus, and method of inspecting substrate for recording headCANON KK·Filed 2002·Granted Aug 10, 2004·15 cites·20 claims
- 3375US9833992B2Recording-element substrate, recording head, and recording apparatusCANON KK·Filed 2016·Granted Dec 5, 2017·1 cites·12 claims
- 3475US7441877B2Substrate having a plurality of common power supply wires and a plurality of common ground wires for inkjet recording head and inkjet recording head using the sameCANON KK·Filed 2005·Granted Oct 28, 2008·4 cites·34 claims
- 3574US9694575B2Semiconductor device, liquid discharge head, liquid discharge cartridge, and liquid discharge apparatusCANON KK·Filed 2016·Granted Jul 4, 2017·1 cites·18 claims
- 3674US7681992B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2007·Granted Mar 23, 2010·3 cites·13 claims
- 3774US7575294B2Printhead substrate, printhead using the substrate, head cartridge including the printhead, method of driving the printhead, and printing apparatus using the printheadCANON KK·Filed 2007·Granted Aug 18, 2009·3 cites·14 claims
- 3874US7344218B2Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatusCANON KK·Filed 2004·Granted Mar 18, 2008·12 cites·4 claims
- 3974US6962405B2Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording headCANON KK·Filed 2003·Granted Nov 8, 2005·15 cites·24 claims
- 4073US7621612B2Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet headCANON KK·Filed 2005·Granted Nov 24, 2009·3 cites·2 claims
- 4172US9340022B1Liquid discharging substrate, printhead, and printing apparatusCANON KK·Filed 2015·Granted May 17, 2016·1 cites·13 claims
- 4272US7905577B2Printhead substrate having electrothermal transducers arranged at high density, printhead, and printing apparatusCANON KK·Filed 2007·Granted Mar 15, 2011·3 cites·10 claims
- 4370US8876242B2Liquid ejection headTAMARU YUUJI·Filed 2010·Granted Nov 4, 2014·2 cites·13 claims
- 4470US8246147B2Inkjet printhead substrate, method for manufacturing inkjet printhead substrate, inkjet print head, and inkjet recording apparatusTAMURA HIDEO·Filed 2009·Granted Aug 21, 2012·3 cites·13 claims
- 4568US8002374B2Printhead driving method, printhead substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2007·Granted Aug 23, 2011·2 cites·4 claims
- 4668US6971735B2Ink-jet printhead board, ink-jet printhead, and ink-jet printing apparatusCANON KK·Filed 2002·Granted Dec 6, 2005·11 cites·32 claims
- 4767US12138928B2Method for manufacturing liquid ejection head substrate and method for manufacturing liquid ejection headCANON KK·Filed 2022·Granted Nov 12, 2024·0 cites·12 claims
- 4866US8523324B2Liquid discharge head substrate and head unitYAMAGUCHI TAKAAKI·Filed 2011·Granted Sep 3, 2013·1 cites·8 claims
- 4966US7959262B2Ink jet recording head substrate, and ink jet recording head including the substrateCANON KK·Filed 2009·Granted Jun 14, 2011·2 cites·5 claims
- 5065US7014287B2Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating methodCANON KK·Filed 2002·Granted Mar 21, 2006·7 cites·2 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →