Inventor · disambiguated record
Souta Takeuchi
Also filed as: TAKEUCHI SOUTA
59 granted patents·6 pending applications·240 citations·filing 2003–2025
98Inventor score
Top patents by PatentIndex Score
65 records- 0193US9333746B2Ink jet recording head substrate, method for manufacturing the same, and ink jet recording headCANON KK·Filed 2015·Granted May 10, 2016·6 cites·20 claims
- 0293US7549734B2Liquid discharge headCANON KK·Filed 2005·Granted Jun 23, 2009·13 cites·8 claims
- 0392US9751301B2Substrate for ink jet recording headCANON KK·Filed 2016·Granted Sep 5, 2017·6 cites·11 claims
- 0491US11511548B2Liquid ejection apparatus and liquid tankCANON KK·Filed 2021·Granted Nov 29, 2022·2 cites·8 claims
- 0591US9561651B2Element substrate and method for discharging liquidCANON KK·Filed 2016·Granted Feb 7, 2017·4 cites·14 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
- 0889US9150019B2Liquid ejection head body and method of manufacturing the sameTAKEUCHI SOUTA·Filed 2012·Granted Oct 6, 2015·5 cites·20 claims
- 0988US7641317B2Liquid discharge recording head and liquid discharge recording head cartridge including the sameCANON KK·Filed 2006·Granted Jan 5, 2010·10 cites·7 claims
- 1087US7841678B2Element substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2007·Granted Nov 30, 2010·7 cites·8 claims
- 1187US7588317B2Printing apparatus, printhead, and driving method thereforCANON KK·Filed 2006·Granted Sep 15, 2009·9 cites·8 claims
- 1286US8721048B2Substrate for liquid discharge head and liquid discharge headCANON KK·Filed 2013·Granted May 13, 2014·4 cites·6 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
- 1585US2025269645A1Liquid ejection head and method for manufacturing the sameCANON KK·Filed 2025·Application pending·0 cites
- 1684US8322829B2Liquid discharge head substrate and manufacturing method thereof, and liquid discharge head using liquid discharge head substrate and manufacturing method thereofSAKUMA SADAYOSHI·Filed 2010·Granted Dec 4, 2012·4 cites·9 claims
- 1784US7810907B2Board for inkjet printing head and inkjet printing head using the sameCANON KK·Filed 2006·Granted Oct 12, 2010·7 cites·7 claims
- 1882US8057000B2Element substrate, printhead, head cartridge, and printing apparatusIMANAKA YOSHIYUKI·Filed 2010·Granted Nov 15, 2011·3 cites·13 claims
- 1982US7467864B2Recording head, head cartridge and recording apparatusCANON KK·Filed 2006·Granted Dec 23, 2008·6 cites·9 claims
- 2081US8445298B2Process of producing liquid discharge head base materialTAKEUCHI SOUTA·Filed 2010·Granted May 21, 2013·3 cites·20 claims
- 2181US8240815B2Recording element substrate, and inkjet head and its production methodUYAMA MASAYA·Filed 2010·Granted Aug 14, 2012·3 cites·9 claims
- 2281US8070262B2Print element substrate, printhead, and printing apparatusYAMAGUCHI TAKAAKI·Filed 2009·Granted Dec 6, 2011·6 cites·8 claims
- 2380US12311667B2Liquid ejection head and method for manufacturing the sameCANON KK·Filed 2022·Granted May 27, 2025·0 cites·14 claims
- 2480US7896476B2Inkjet printhead board and inkjet printhead using sameCANON KK·Filed 2007·Granted Mar 1, 2011·5 cites·9 claims
- 2579US7896475B2Element substrate, printhead, and head cartridgeCANON KK·Filed 2008·Granted Mar 1, 2011·5 cites·7 claims
- 2678US8152276B2Liquid jet head, method for manufacturing liquid jet head, and method for forming structure for liquid jet headMURAYAMA HIROYUKI·Filed 2009·Granted Apr 10, 2012·5 cites·9 claims
- 2778US7770989B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2007·Granted Aug 10, 2010·4 cites·5 claims
- 2878US6969154B2Ink jet recording head with multiple recording elements, electrical circuit elements and protecting sectionsCANON KK·Filed 2003·Granted Nov 29, 2005·17 cites·14 claims
- 2977US7896455B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2010·Granted Mar 1, 2011·2 cites·6 claims
- 3077US6945629B2Substrate 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
- 3176US7810892B2Element substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2007·Granted Oct 12, 2010·4 cites·13 claims
- 3275US12220924B2Liquid ejection apparatus and liquid tankCANON KK·Filed 2022·Granted Feb 11, 2025·0 cites·14 claims
- 3375US7441877B2Substrate 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
- 3474US7681992B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2007·Granted Mar 23, 2010·3 cites·13 claims
- 3574US6962405B2Substrate 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
- 3673US7621612B2Substrate 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
- 3772US7905577B2Printhead substrate having electrothermal transducers arranged at high density, printhead, and printing apparatusCANON KK·Filed 2007·Granted Mar 15, 2011·3 cites·10 claims
- 3870US12472742B2Liquid ejection head, element substrate, and manufacturing methods thereofCANON KK·Filed 2023·Granted Nov 18, 2025·0 cites·6 claims
- 3970US11081349B2Method of forming film on substrate and method of manufacturing liquid ejection headCANON KK·Filed 2019·Granted Aug 3, 2021·1 cites·10 claims
- 4070US9050805B2Process for producing liquid ejection head and process for producing substrate for liquid ejection head including repeated metal layer, Si layer, N layer laminationsCANON KK·Filed 2014·Granted Jun 9, 2015·1 cites·4 claims
- 4167US10933635B2Liquid ejection head substrate and method for manufacturing the sameCANON KK·Filed 2019·Granted Mar 2, 2021·0 cites·20 claims
- 4266US8691101B2Method for manufacturing ejection element substrateTAKEUCHI SOUTA·Filed 2011·Granted Apr 8, 2014·1 cites·6 claims
- 4366US7959262B2Ink jet recording head substrate, and ink jet recording head including the substrateCANON KK·Filed 2009·Granted Jun 14, 2011·2 cites·5 claims
- 4464US8231195B2Print element substrate, printhead, and printing apparatusKUBO KOUSUKE·Filed 2009·Granted Jul 31, 2012·2 cites·8 claims
- 4562US7918539B2Liquid discharge headCANON KK·Filed 2009·Granted Apr 5, 2011·1 cites·8 claims
- 4662US2025074054A1Laminated substrate, manufacturing method therefor, and liquid discharge headCANON KK·Filed 2024·Application pending·0 cites
- 4759US7614726B2Recording head chip, recording head employing recording head chip, and recording apparatus employing recording headCANON KK·Filed 2006·Granted Nov 10, 2009·1 cites·5 claims
- 4859US2025074056A1Laminated substrate, liquid discharge head, and method for manufacturing laminated substrateCANON KK·Filed 2024·Application pending·0 cites
- 4958US8167411B2Print element substrate, inkjet printhead, and printing apparatusTAKEUCHI SOUTA·Filed 2009·Granted May 1, 2012·1 cites·7 claims
- 5057US10703103B2Liquid ejection head and manufacturing method thereofCANON KK·Filed 2019·Granted Jul 7, 2020·0 cites·8 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →