Inventor · disambiguated record
Masahiko Umezawa
Also filed as: UMEZAWA MASAHIKO
33 granted patents·1 pending application·222 citations·filing 1996–2021
96Inventor score
Top patents by PatentIndex Score
34 records- 0195US11020959B2Printing apparatus and method of judging nozzle discharge state of printing apparatusCANON KK·Filed 2019·Granted Jun 1, 2021·6 cites·20 claims
- 0295US9278552B2Ink jet printing apparatus and control method thereofCANON KK·Filed 2013·Granted Mar 8, 2016·12 cites·25 claims
- 0394US10293620B2Inkjet printing apparatus and inkjet printing methodCANON KK·Filed 2017·Granted May 21, 2019·6 cites·16 claims
- 0492US8740333B2Printing apparatus and determination method thereofTESHIGAWARA MINORU·Filed 2011·Granted Jun 3, 2014·8 cites·11 claims
- 0591US7533962B2Ink jet printing apparatus and ink jet printing methodCANON KK·Filed 2007·Granted May 19, 2009·12 cites·6 claims
- 0687US11155078B2Printing apparatus and inspection method thereforCANON KK·Filed 2019·Granted Oct 26, 2021·2 cites·20 claims
- 0785US5896146ATime division drive recording apparatus and methodCANON KK·Filed 1996·Granted Apr 20, 1999·51 cites·38 claims
- 0883US8201907B2Recording apparatusTESHIGAWARA MINORU·Filed 2008·Granted Jun 19, 2012·6 cites·6 claims
- 0982US7980672B2Inkjet printing apparatus and printing methodCANON KK·Filed 2008·Granted Jul 19, 2011·6 cites·7 claims
- 1080US8251473B2Inkjet printing apparatusMORIYAMA JIRO·Filed 2008·Granted Aug 28, 2012·6 cites·6 claims
- 1174US12043027B2Printing apparatus and inspection method thereforCANON KK·Filed 2021·Granted Jul 23, 2024·0 cites·30 claims
- 1274US11845268B2Printing apparatus and method of judging nozzle discharge state of printing apparatusCANON KK·Filed 2021·Granted Dec 19, 2023·0 cites·35 claims
- 1374US7591532B2Inkjet printing apparatus and inkjet printing methodCANON KK·Filed 2008·Granted Sep 22, 2009·3 cites·8 claims
- 1470US7401882B2Printing apparatus and method of controlling printing thereinCANON KK·Filed 2006·Granted Jul 22, 2008·3 cites·8 claims
- 1569US6969155B2Printing apparatus and print control methodCANON KK·Filed 2003·Granted Nov 29, 2005·12 cites·10 claims
- 1665US7862145B2Printing apparatus and method of controlling the sameCANON KK·Filed 2008·Granted Jan 4, 2011·2 cites·8 claims
- 1763US6276776B1Ink-jet printer and temperature control method of recording headCANON KK·Filed 1997·Granted Aug 21, 2001·21 cites·30 claims
- 1853US9073342B2Recording apparatusTESHIGAWARA MINORU·Filed 2012·Granted Jul 7, 2015·0 cites·32 claims
- 1952US8287090B2Inkjet printing apparatus and inkjet printing methodKANDA HIDEHIKO·Filed 2009·Granted Oct 16, 2012·0 cites·6 claims
- 2048US6122699AData processing apparatus with bus intervention means for controlling interconnection of plural bussesCANON KK·Filed 1997·Granted Sep 19, 2000·23 cites·4 claims
- 2144US10596812B2Printing apparatus and control method thereofCANON KK·Filed 2018·Granted Mar 24, 2020·0 cites·18 claims
- 2243US10576737B2Recording apparatus and recording methodCANON KK·Filed 2018·Granted Mar 3, 2020·0 cites·16 claims
- 2343US10500840B2Printing apparatus and control method that control movement of a transfer memberCANON KK·Filed 2018·Granted Dec 10, 2019·0 cites·23 claims
- 2443US2014111815A1Printing apparatus and method for correcting print position displacementCANON KK·Filed 2013·Application pending·0 cites
- 2542US6116711APrinter and printing control method according to detected amount of memoryCANON KK·Filed 1997·Granted Sep 12, 2000·7 cites·20 claims
- 2641US5873661ARecording apparatus capable of data-read controlCANON KK·Filed 1996·Granted Feb 23, 1999·9 cites·18 claims
- 2740US10507646B2Recording apparatus and recording methodCANON KK·Filed 2017·Granted Dec 17, 2019·0 cites·13 claims
- 2840US10286650B2Image processing apparatus and image processing methodCANON KK·Filed 2017·Granted May 14, 2019·0 cites·9 claims
- 2940US6144460AData processing method, and data processor and printer using data processing methodCANON KK·Filed 1997·Granted Nov 7, 2000·12 cites·25 claims
- 3040US6062673ARecording apparatus and record data processing methodCANON KK·Filed 1996·Granted May 16, 2000·6 cites·14 claims
- 3137US8223382B2Printing apparatus and control method thereforUMEZAWA MASAHIKO·Filed 2008·Granted Jul 17, 2012·0 cites·7 claims
- 3237US6226100B1Printing apparatus and printing control methodCANON KK·Filed 1998·Granted May 1, 2001·5 cites·17 claims
- 3333US6661532B2Printing apparatusCANON KK·Filed 1996·Granted Dec 9, 2003·3 cites·25 claims
- 3430US6328401B1Printer and printing control methodCANON KK·Filed 1998·Granted Dec 11, 2001·1 cites·27 claims
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