Inventor · disambiguated record
Masataka Sakurai
Also filed as: SAKURAI MASATAKA
61 granted patents·2 pending applications·227 citations·filing 2000–2019
98Inventor score
Top patents by PatentIndex Score
63 records- 0196US7591531B2Liquid ejection headCANON KK·Filed 2008·Granted Sep 22, 2009·21 cites·7 claims
- 0295US10035346B2Element substrate and liquid ejection headCANON KK·Filed 2016·Granted Jul 31, 2018·6 cites·34 claims
- 0395US8523325B2Liquid ejection head and ink jet printing apparatusSAKURAI MASATAKA·Filed 2010·Granted Sep 3, 2013·11 cites·19 claims
- 0494US8573758B2Liquid jet recording head and liquid supply methodINOUE TOMOYUKI·Filed 2010·Granted Nov 5, 2013·11 cites·7 claims
- 0593US8721047B2Liquid ejection head and ink jet printing apparatusCANON KK·Filed 2013·Granted May 13, 2014·6 cites·10 claims
- 0692US7559626B2Inkjet recording head substrate and drive control method, inkjet recording head, inkjet recording head cartridge and inkjet recording apparatusCANON KK·Filed 2005·Granted Jul 14, 2009·13 cites·13 claims
- 0791US9731504B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2016·Granted Aug 15, 2017·4 cites·15 claims
- 0889US7819493B2Element board for printhead, and printhead having the sameCANON KK·Filed 2007·Granted Oct 26, 2010·8 cites·15 claims
- 0988US8757771B2Liquid ejection head and liquid ejecting apparatusTSUCHII KEN·Filed 2012·Granted Jun 24, 2014·6 cites·7 claims
- 1088US8147039B2Head substrate, printhead, head cartridge, and printing apparatusKUROKAWA TOMOKO·Filed 2008·Granted Apr 3, 2012·12 cites·8 claims
- 1188US7815272B2Element body for recording head and recording head having element bodyCANON KK·Filed 2006·Granted Oct 19, 2010·9 cites·18 claims
- 1286US9597870B2Inkjet print headCANON KK·Filed 2012·Granted Mar 21, 2017·4 cites·8 claims
- 1386US8746847B2Ink jet print headKISHIKAWA SHINJI·Filed 2010·Granted Jun 10, 2014·6 cites·9 claims
- 1484US7896474B2Liquid ejection head and recording apparatusCANON KK·Filed 2008·Granted Mar 1, 2011·7 cites·7 claims
- 1584US7806496B2Printhead substrate, inkjet printhead, and inkjet printing apparatusCANON KK·Filed 2008·Granted Oct 5, 2010·6 cites·7 claims
- 1683US8083318B2Liquid ejection headTSUCHII KEN·Filed 2011·Granted Dec 27, 2011·3 cites·1 claims
- 1783US7758141B2Printing apparatus for selectively driving heaters using a reduced number of data signal linesCANON KK·Filed 2007·Granted Jul 20, 2010·12 cites·5 claims
- 1882US7354125B2Element board for printhead, and printhead having the sameCANON KK·Filed 2004·Granted Apr 8, 2008·17 cites·18 claims
- 1980US10427400B2Printhead and printing apparatusCANON KK·Filed 2017·Granted Oct 1, 2019·1 cites·14 claims
- 2080US7918538B2Printhead formed of element substrates having function circuitsCANON KK·Filed 2007·Granted Apr 5, 2011·5 cites·12 claims
- 2179US7850262B2Head substrate, printhead, head cartridge, and printing apparatusCANON KK·Filed 2006·Granted Dec 14, 2010·5 cites·14 claims
- 2278US7559628B2Head substrate, recording head, head cartridge and recording apparatus therewithCANON KK·Filed 2005·Granted Jul 14, 2009·5 cites·13 claims
- 2377US8342658B2Ink jet print headCANON KK·Filed 2010·Granted Jan 1, 2013·2 cites·19 claims
- 2477US7866798B2Head cartridge, printhead, and substrate having downsized level conversion elements that suppress power consumptionCANON KK·Filed 2008·Granted Jan 11, 2011·4 cites·11 claims
- 2574US9096063B2Liquid ejection head and method of manufacturing sameCANON KK·Filed 2013·Granted Aug 4, 2015·2 cites·4 claims
- 2674US6945622B2Printhead having protection circuit, and printing apparatus using the printheadCANON KK·Filed 2002·Granted Sep 20, 2005·15 cites·11 claims
- 2772US8529003B2Print headSAKURAI MASATAKA·Filed 2011·Granted Sep 10, 2013·3 cites·9 claims
- 2871US8783833B2Ink jet print headCANON KK·Filed 2012·Granted Jul 22, 2014·1 cites·23 claims
- 2971US7909432B2Liquid ejection headCANON KK·Filed 2009·Granted Mar 22, 2011·2 cites·6 claims
- 3070US8926066B2Liquid ejection headSAKURAI MASATAKA·Filed 2012·Granted Jan 6, 2015·1 cites·12 claims
- 3170US8226190B2Recording element substrate and recording head having the sameHIRAYAMA NOBUYUKI·Filed 2009·Granted Jul 24, 2012·3 cites·7 claims
- 3268US8740350B2Inkjet recording head substrate and drive control method, inkjet recording head, inkjet recording head cartridge and inkjet recording apparatusSAKURAI MASATAKA·Filed 2009·Granted Jun 3, 2014·2 cites·18 claims
- 3367US7588304B2Liquid discharge head substrate, liquid discharge head, and liquid discharge apparatusCANON KK·Filed 2007·Granted Sep 15, 2009·2 cites·8 claims
- 3466US8075103B2Ink jet print head substrate and ink jet print headFURUKAWA TATSUO·Filed 2011·Granted Dec 13, 2011·1 cites·14 claims
- 3564US10668719B2Recording element substrate, liquid ejection head, and liquid ejection apparatusCANON KK·Filed 2018·Granted Jun 2, 2020·0 cites·13 claims
- 3664US8083325B2Liquid ejection recording head having element substrate with plural supply portsINOUE TOMOYUKI·Filed 2009·Granted Dec 27, 2011·2 cites·10 claims
- 3763US10814623B2Element substrate and liquid ejection headCANON KK·Filed 2018·Granted Oct 27, 2020·0 cites·19 claims
- 3861US11141975B2Multilayer structured element substrate, printhead, and printing apparatusCANON KK·Filed 2019·Granted Oct 12, 2021·0 cites·27 claims
- 3960US10479075B2Print head substrate and method of manufacturing the same, and semiconductor substrateCANON KK·Filed 2018·Granted Nov 19, 2019·0 cites·20 claims
- 4060US10105949B2Recording element substrate, liquid ejection head, and liquid ejection apparatusCANON KK·Filed 2017·Granted Oct 23, 2018·0 cites·20 claims
- 4160US9168742B2Liquid ejection headCANON KK·Filed 2014·Granted Oct 27, 2015·0 cites·11 claims
- 4260US7681972B2Element substrate, recording head using the element substrate, and recording apparatusCANON KK·Filed 2005·Granted Mar 23, 2010·1 cites·3 claims
- 4359US10322578B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Jun 18, 2019·0 cites·20 claims
- 4459US8991980B2Ink jet print headCANON KK·Filed 2014·Granted Mar 31, 2015·0 cites·11 claims
- 4559US7959243B2Printhead, head cartridge, and printing apparatus employing either of sameCANON KK·Filed 2007·Granted Jun 14, 2011·1 cites·7 claims
- 4659US6467883B1Printhead, printing apparatus using the same, and printhead control methodCANON KK·Filed 2000·Granted Oct 22, 2002·7 cites·22 claims
- 4753US10350884B2Liquid ejecting head and inkjet printing apparatusCANON KK·Filed 2018·Granted Jul 16, 2019·0 cites·24 claims
- 4853US10286660B2Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2016·Granted May 14, 2019·0 cites·16 claims
- 4953US8177333B2Element board for printhead, and printhead having the sameHIRAYAMA NOBUYUKI·Filed 2010·Granted May 15, 2012·0 cites·9 claims
- 5052US7762646B2Head substrate, printhead, head cartridge, and printing apparatus using the printhead or head cartridgeCANON KK·Filed 2008·Granted Jul 27, 2010·0 cites·2 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →