Inventor · disambiguated record
Hiroyuki Maru
Also filed as: MARU HIROYUKI
28 granted patents·2 pending applications·708 citations·filing 1994–2011
97Inventor score
Top patents by PatentIndex Score
30 records- 0197US5731828AInk jet head, ink jet head cartridge and ink jet apparatusCANON KK·Filed 1995·Granted Mar 24, 1998·121 cites·16 claims
- 0295US6116714APrinting head, printing method and apparatus using same, and apparatus and method for correcting said printing headCANON KK·Filed 1995·Granted Sep 12, 2000·99 cites·41 claims
- 0388US8395570B2Active matrix type display apparatusMARU HIROYUKI·Filed 2010·Granted Mar 12, 2013·7 cites·4 claims
- 0488US7364272B2Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrateCANON KK·Filed 2005·Granted Apr 29, 2008·8 cites·2 claims
- 0588US6243109B1Print head with driving, transmission and control devices on single substrateCANON KK·Filed 1997·Granted Jun 5, 2001·54 cites·99 claims
- 0688US6243111B1Print head substrate, print head using the same, and printing apparatusCANON KK·Filed 1998·Granted Jun 5, 2001·60 cites·36 claims
- 0787US6224195B1Recording head and recording apparatus using the sameCANON KK·Filed 1996·Granted May 1, 2001·49 cites·24 claims
- 0886US5880762AInk jet head with preliminary heater elementCANON KK·Filed 1997·Granted Mar 9, 1999·41 cites·5 claims
- 0984US6471339B1Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving recording headCANON KK·Filed 2000·Granted Oct 29, 2002·21 cites·40 claims
- 1083US6471324B1Printhead with malfunction prevention function and printing apparatus using itCANON KK·Filed 1999·Granted Oct 29, 2002·44 cites·14 claims
- 1183US5602576AInk-jet type recording head and monolithic integrated circuit suitable therforCANON KK·Filed 1996·Granted Feb 11, 1997·50 cites·4 claims
- 1282US6755580B2Ink-jet printing headCANON KK·Filed 2002·Granted Jun 29, 2004·17 cites·56 claims
- 1379US5943070ASubstrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving recording headCANON KK·Filed 1994·Granted Aug 24, 1999·31 cites·14 claims
- 1473USRE44825EPrint head substrate, print head using the same, and printing apparatusIMANAKA YOSHIYUKI·Filed 2011·Granted Apr 8, 2014·2 cites·64 claims
- 1573US6520611B2Print head and printer apparatus using the sameCANON KK·Filed 2001·Granted Feb 18, 2003·12 cites·8 claims
- 1671US6409300B2Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing headCANON KK·Filed 1999·Granted Jun 25, 2002·21 cites·16 claims
- 1766US8436841B2Display apparatusMARU HIROYUKI·Filed 2009·Granted May 7, 2013·1 cites·8 claims
- 1866US8076845B2Display apparatusMARU HIROYUKI·Filed 2009·Granted Dec 13, 2011·2 cites·4 claims
- 1966US6439690B2Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatusCANON KK·Filed 2001·Granted Aug 27, 2002·8 cites·24 claims
- 2061US8183767B2Display apparatus and imaging system using the sameMARU HIROYUKI·Filed 2008·Granted May 22, 2012·1 cites·5 claims
- 2161US6054689APrinting head and printing apparatus using sameCANON KK·Filed 1995·Granted Apr 25, 2000·19 cites·41 claims
- 2260US6464320B1Recording head and recording apparatus using the sameCANON KK·Filed 2000·Granted Oct 15, 2002·6 cites·38 claims
- 2357US6257695B1Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving record headCANON KK·Filed 1999·Granted Jul 10, 2001·12 cites·11 claims
- 2456US6963615B2Pixel modulation apparatus and method thereofCANON KK·Filed 2002·Granted Nov 8, 2005·2 cites·15 claims
- 2555US2011121738A1Light-emitting apparatusCANON KK·Filed 2009·Application pending·0 cites
- 2643US6860576B2Drive circuit, printhead and printing apparatusCANON KK·Filed 2003·Granted Mar 1, 2005·2 cites·6 claims
- 2742US6116713ARecording apparatus having temperature detecting element and a temperature detection correction methodCANON KK·Filed 1997·Granted Sep 12, 2000·7 cites·15 claims
- 2842US2010328365A1Semiconductor deviceCANON KK·Filed 2010·Application pending·0 cites
- 2941US5877784APrinthead, printing apparatus and printing method using printheadCANON KK·Filed 1995·Granted Mar 2, 1999·9 cites·28 claims
- 3035US7101099B1Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrateCANON KK·Filed 1999·Granted Sep 5, 2006·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →