Inventor · disambiguated record
Sadayoshi Sakuma
Also filed as: SAKUMA SADAYOSHI
24 granted patents·57 citations·filing 2008–2022
93Inventor score
Top patents by PatentIndex Score
24 records- 0196US10493774B2Element substrate, manufacturing method thereof, printhead, and printing apparatusCANON KK·Filed 2018·Granted Dec 3, 2019·8 cites·23 claims
- 0295US10035346B2Element substrate and liquid ejection headCANON KK·Filed 2016·Granted Jul 31, 2018·6 cites·34 claims
- 0393US9333746B2Ink 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
- 0490US9308722B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2014·Granted Apr 12, 2016·5 cites·18 claims
- 0586US8177988B2Method for manufacturing liquid discharge headKOMIYAMA HIROTO·Filed 2008·Granted May 15, 2012·9 cites·13 claims
- 0684US9114612B2Liquid ejecting head, substrate for liquid ejecting head, and printing apparatusCANON KK·Filed 2014·Granted Aug 25, 2015·3 cites·8 claims
- 0784US8322829B2Liquid 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
- 0881US11383515B2Element substrate, liquid discharge head, and printing apparatusCANON KK·Filed 2020·Granted Jul 12, 2022·1 cites·15 claims
- 0981US9266331B2Manufacturing method of substrate for liquid ejection headCANON KK·Filed 2013·Granted Feb 23, 2016·3 cites·15 claims
- 1079US10882314B2Liquid ejection head, method for producing liquid ejection head, and liquid ejection apparatusCANON KK·Filed 2019·Granted Jan 5, 2021·1 cites·15 claims
- 1173US8075107B2Liquid ejection headHATSUI TAKUYA·Filed 2009·Granted Dec 13, 2011·4 cites·8 claims
- 1272US8312628B2Liquid discharge head and method for manufacturing the sameSAKUMA SADAYOSHI·Filed 2010·Granted Nov 20, 2012·2 cites·7 claims
- 1366US8691101B2Method for manufacturing ejection element substrateTAKEUCHI SOUTA·Filed 2011·Granted Apr 8, 2014·1 cites·6 claims
- 1466US8152279B2Liquid ejection head having substrate with nickel-containing layerSAKUMA SADAYOSHI·Filed 2009·Granted Apr 10, 2012·2 cites·11 claims
- 1563US10814623B2Element substrate and liquid ejection headCANON KK·Filed 2018·Granted Oct 27, 2020·0 cites·19 claims
- 1660US8291576B2Method of manufacturing liquid ejection headIBE SATOSHI·Filed 2009·Granted Oct 23, 2012·2 cites·10 claims
- 1758US10766255B2Element substrateCANON KK·Filed 2019·Granted Sep 8, 2020·0 cites·19 claims
- 1857US12374414B2Semiconductor device, liquid discharge head, and liquid discharge apparatusCANON KK·Filed 2022·Granted Jul 29, 2025·0 cites·20 claims
- 1951US9381741B2Inkjet printhead substrate, method of manufacturing the same, and inkjet printheadCANON KK·Filed 2015·Granted Jul 5, 2016·0 cites·12 claims
- 2050US9090112B2Liquid discharge device and cleaning method for liquid discharge headCANON KK·Filed 2014·Granted Jul 28, 2015·0 cites·14 claims
- 2146US9816195B2Reproduction method of liquid ejecting headCANON KK·Filed 2014·Granted Nov 14, 2017·0 cites·8 claims
- 2245US11338581B2Element substrate, liquid discharge head, and printing apparatusCANON KK·Filed 2020·Granted May 24, 2022·0 cites·13 claims
- 2343US9427953B2Method of manufacturing liquid ejection headCANON KK·Filed 2013·Granted Aug 30, 2016·0 cites·14 claims
- 2442US9216575B2Recording-element substrate and liquid ejection apparatusCANON KK·Filed 2015·Granted Dec 22, 2015·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →