Inventor · disambiguated record
Takuya Hatsui
Also filed as: HATSUI TAKUYA
72 granted patents·3 pending applications·462 citations·filing 2003–2019
99Inventor score
Top patents by PatentIndex Score
75 records- 0197US8123330B2Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the headSAKAI TOSHIYASU·Filed 2011·Granted Feb 28, 2012·19 cites·5 claims
- 0297US7309120B2Head substrate, printhead, head cartridge, printing apparatus, and method for inputting/outputting informationCANON KK·Filed 2005·Granted Dec 18, 2007·33 cites·18 claims
- 0396US8491087B2Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the headSAKAI TOSHIYASU·Filed 2012·Granted Jul 23, 2013·15 cites·19 claims
- 0496US7950769B2Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the headCANON KK·Filed 2006·Granted May 31, 2011·21 cites·18 claims
- 0594US9096059B2Substrate for inkjet head, inkjet head, and inkjet printing apparatusCANON KK·Filed 2013·Granted Aug 4, 2015·9 cites·10 claims
- 0693US7607758B2Ink jet printing head and ink jet printing apparatus using the sameCANON KK·Filed 2006·Granted Oct 27, 2009·13 cites·8 claims
- 0793US7549734B2Liquid discharge headCANON KK·Filed 2005·Granted Jun 23, 2009·13 cites·8 claims
- 0893US7364284B2Head substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2006·Granted Apr 29, 2008·14 cites·15 claims
- 0993US7216960B2Method 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
- 1092US9751301B2Substrate for ink jet recording headCANON KK·Filed 2016·Granted Sep 5, 2017·6 cites·11 claims
- 1192US9085143B2Substrate for inkjet print head, inkjet print head, method for manufacturing inkjet print head, and inkjet printing apparatusCANON KK·Filed 2013·Granted Jul 21, 2015·7 cites·11 claims
- 1292US8129204B2Liquid discharge head substrate, liquid discharge head using the substrate, and manufacturing method thereforSAITO ICHIRO·Filed 2010·Granted Mar 6, 2012·8 cites·4 claims
- 1391US9561651B2Element substrate and method for discharging liquidCANON KK·Filed 2016·Granted Feb 7, 2017·4 cites·14 claims
- 1490US7144093B2Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printheadCANON KK·Filed 2005·Granted Dec 5, 2006·10 cites·17 claims
- 1589US8091234B2Manufacturing method for liquid discharge head substrateIBE SATOSHI·Filed 2008·Granted Jan 10, 2012·11 cites·7 claims
- 1688US7641317B2Liquid discharge recording head and liquid discharge recording head cartridge including the sameCANON KK·Filed 2006·Granted Jan 5, 2010·10 cites·7 claims
- 1787US7841678B2Element substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2007·Granted Nov 30, 2010·7 cites·8 claims
- 1887US7588317B2Printing apparatus, printhead, and driving method thereforCANON KK·Filed 2006·Granted Sep 15, 2009·9 cites·8 claims
- 1986US8721048B2Substrate for liquid discharge head and liquid discharge headCANON KK·Filed 2013·Granted May 13, 2014·4 cites·6 claims
- 2086US8177988B2Method for manufacturing liquid discharge headKOMIYAMA HIROTO·Filed 2008·Granted May 15, 2012·9 cites·13 claims
- 2186US7712875B2Base member for liquid discharge head, liquid discharge head utilizing the same, and producing method thereforCANON KK·Filed 2007·Granted May 11, 2010·8 cites·17 claims
- 2286US6966629B2Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printheadCANON KK·Filed 2003·Granted Nov 22, 2005·24 cites·13 claims
- 2385US8070267B2Ink jet recording head and production process thereofTAKEUCHI SOUTA·Filed 2008·Granted Dec 6, 2011·8 cites·9 claims
- 2484US8613862B2Method for manufacturing liquid discharge head substrateASAI KAZUHIRO·Filed 2008·Granted Dec 24, 2013·8 cites·15 claims
- 2584US8322829B2Liquid 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
- 2684US8114305B2Method of manufacturing substrate for liquid discharge headKOMIYAMA HIROTO·Filed 2008·Granted Feb 14, 2012·8 cites·7 claims
- 2784US7810907B2Board for inkjet printing head and inkjet printing head using the sameCANON KK·Filed 2006·Granted Oct 12, 2010·7 cites·7 claims
- 2883US8075102B2Substrate for ink jet head and ink jet headHATSUI TAKUYA·Filed 2009·Granted Dec 13, 2011·8 cites·6 claims
- 2982US9061489B2Substrate for inkjet head and inkjet head having protection layer including individual sections corresponding to heating resistorsCANON KK·Filed 2013·Granted Jun 23, 2015·3 cites·11 claims
- 3082US8057000B2Element substrate, printhead, head cartridge, and printing apparatusIMANAKA YOSHIYUKI·Filed 2010·Granted Nov 15, 2011·3 cites·13 claims
- 3182US7467864B2Recording head, head cartridge and recording apparatusCANON KK·Filed 2006·Granted Dec 23, 2008·6 cites·9 claims
- 3280US7896476B2Inkjet printhead board and inkjet printhead using sameCANON KK·Filed 2007·Granted Mar 1, 2011·5 cites·9 claims
- 3378US7770989B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2007·Granted Aug 10, 2010·4 cites·5 claims
- 3478US6969154B2Ink jet recording head with multiple recording elements, electrical circuit elements and protecting sectionsCANON KK·Filed 2003·Granted Nov 29, 2005·17 cites·14 claims
- 3577US7896455B2Element substrate, and printhead, head cartridge, and printing apparatus using the element substrateCANON KK·Filed 2010·Granted Mar 1, 2011·2 cites·6 claims
- 3677US6945629B2Substrate 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
- 3775US7441877B2Substrate 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
- 3874US7575294B2Printhead 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
- 3974US7338150B2Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the sameCANON KK·Filed 2007·Granted Mar 4, 2008·3 cites·7 claims
- 4074US6962405B2Substrate 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
- 4173US8152277B2Ink jet printing head and ink jet printing apparatus using the sameHATASA NOBUYUKI·Filed 2009·Granted Apr 10, 2012·3 cites·8 claims
- 4273US8075107B2Liquid ejection headHATSUI TAKUYA·Filed 2009·Granted Dec 13, 2011·4 cites·8 claims
- 4373US7621612B2Substrate 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
- 4473US7581821B2Head substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2007·Granted Sep 1, 2009·3 cites·6 claims
- 4573US7472975B2Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing headCANON KK·Filed 2006·Granted Jan 6, 2009·3 cites·2 claims
- 4672US8312628B2Liquid discharge head and method for manufacturing the sameSAKUMA SADAYOSHI·Filed 2010·Granted Nov 20, 2012·2 cites·7 claims
- 4770US9050805B2Process 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
- 4870US7255426B2Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the sameCANON KK·Filed 2004·Granted Aug 14, 2007·10 cites·19 claims
- 4969US7798595B2Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing headCANON KK·Filed 2008·Granted Sep 21, 2010·2 cites·9 claims
- 5066US8152279B2Liquid ejection head having substrate with nickel-containing layerSAKUMA SADAYOSHI·Filed 2009·Granted Apr 10, 2012·2 cites·11 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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