Inventor · disambiguated record
Masaaki Izumida
Also filed as: IZUMIDA MASAAKI
41 granted patents·1,936 citations·filing 1990–2011
99Inventor score
Top patents by PatentIndex Score
41 records- 0198US6375312B1HEAT GENERATING RESISTOR CONTAINING TaN0.8, SUBSTRATE PROVIDED WITH SAID HEAT GENERATING RESISTOR FOR LIQUID JET HEAD, LIQUID JET HEAD PROVIDED WITH SAID SUBSTRATE, AND LIQUID JET APPARATUS PROVIDED WITH SAID LIQUID JET HEADCANON KK·Filed 1997·Granted Apr 23, 2002·550 cites·15 claims
- 0297US5731828AInk jet head, ink jet head cartridge and ink jet apparatusCANON KK·Filed 1995·Granted Mar 24, 1998·121 cites·16 claims
- 0396US6616257B2Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing headCANON KK·Filed 2001·Granted Sep 9, 2003·53 cites·12 claims
- 0496US5801737AInk container with internal air pressure adjustmentCANON KK·Filed 1997·Granted Sep 1, 1998·132 cites·12 claims
- 0595US6116714APrinting 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
- 0694US5237342AInk jet head and ink jet recording apparatus having an ink container filled with porous materialCANON KK·Filed 1990·Granted Aug 17, 1993·71 cites·16 claims
- 0792US5841448ASubstrate for ink-jet head, having an optical element ink-jet head, and ink-jet apparatusCANON KK·Filed 1994·Granted Nov 24, 1998·82 cites·16 claims
- 0892US5280299AInk filling method for ink jet recording apparatusCANON KK·Filed 1991·Granted Jan 18, 1994·59 cites·4 claims
- 0989US5621446AMethod of filling an ink containerCANON KK·Filed 1995·Granted Apr 15, 1997·58 cites·2 claims
- 1088US6243109B1Print head with driving, transmission and control devices on single substrateCANON KK·Filed 1997·Granted Jun 5, 2001·54 cites·99 claims
- 1188US6243111B1Print head substrate, print head using the same, and printing apparatusCANON KK·Filed 1998·Granted Jun 5, 2001·60 cites·36 claims
- 1287US6224195B1Recording head and recording apparatus using the sameCANON KK·Filed 1996·Granted May 1, 2001·49 cites·24 claims
- 1386US5880762AInk jet head with preliminary heater elementCANON KK·Filed 1997·Granted Mar 9, 1999·41 cites·5 claims
- 1484US6471339B1Substrate 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
- 1583US5602576AInk-jet type recording head and monolithic integrated circuit suitable therforCANON KK·Filed 1996·Granted Feb 11, 1997·50 cites·4 claims
- 1681US5841455AInk container for ink jet recording having two different ink absorbing materials including a fibrous materialCANON KK·Filed 1997·Granted Nov 24, 1998·37 cites·31 claims
- 1780US5371528ALiquid jet head with nonlinear liquid passages having a diverging portionCANON KK·Filed 1992·Granted Dec 6, 1994·35 cites·13 claims
- 1880US5148192ALiquid jet recording head with nonlinear liquid passages and liquid jet recording apparatus having sameCANON KK·Filed 1990·Granted Sep 15, 1992·35 cites·9 claims
- 1979US5943070ASubstrate 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
- 2073USRE44825EPrint head substrate, print head using the same, and printing apparatusIMANAKA YOSHIYUKI·Filed 2011·Granted Apr 8, 2014·2 cites·64 claims
- 2173US6520611B2Print head and printer apparatus using the sameCANON KK·Filed 2001·Granted Feb 18, 2003·12 cites·8 claims
- 2271US6409300B2Printing 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
- 2371US6296340B1Ink jet recording method and apparatus using time-shared interlaced recordingCANON KK·Filed 1997·Granted Oct 2, 2001·28 cites·29 claims
- 2471US6113223AInk jet recording head with ink chamber having slanted surfaces to aid bubble removalCANON KK·Filed 1997·Granted Sep 5, 2000·28 cites·30 claims
- 2571US5754201ALiquid jet head, head cartridge, liquid jet apparatus, method of ejecting liquid, and method of injecting inkCANON KK·Filed 1995·Granted May 19, 1998·29 cites·14 claims
- 2669US6003973AInk jet head, apparatus and method having individually-drivable heat generating resistors variably spaced from an electric outletCANON KK·Filed 1996·Granted Dec 21, 1999·23 cites·15 claims
- 2766US6439690B2Element 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
- 2866US5943069AInk jet recording head and apparatus in which recording is controlled in accordance with calculations involving a measured resistanceCANON KK·Filed 1996·Granted Aug 24, 1999·23 cites·17 claims
- 2966US5907337AInk jet recording method and apparatusCANON KK·Filed 1994·Granted May 25, 1999·20 cites·15 claims
- 3061US5623287AInk container with a controlled ink distribution therein, and method of filling the sameCANON KK·Filed 1995·Granted Apr 22, 1997·13 cites·4 claims
- 3160US6464320B1Recording head and recording apparatus using the sameCANON KK·Filed 2000·Granted Oct 15, 2002·6 cites·38 claims
- 3257US6257695B1Substrate 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
- 3356US6231166B1Ink jet headCANON KK·Filed 1996·Granted May 15, 2001·15 cites·3 claims
- 3455US5508725AInk jet head having trapezoidal ink passages, ink cartridge and recording apparatus with sameCANON KK·Filed 1994·Granted Apr 16, 1996·12 cites·14 claims
- 3554US6290344B1Vented ink container with internal ink absorber, and ink cartridge having such an ink containerCANON KK·Filed 1995·Granted Sep 18, 2001·10 cites·5 claims
- 3654US5896147ALiquid jet head and substrate therefor having selected spacing between ejection energy generating elementsCANON KK·Filed 1995·Granted Apr 20, 1999·14 cites·16 claims
- 3745US6382772B1Ink jet head, apparatus and method having individually-drivable heat generating resistors variably spaced from an ejection outletCANON KK·Filed 1999·Granted May 7, 2002·7 cites·1 claims
- 3844US5992981AInk jet head, ink jet apparatus, and method of and apparatus for manufacturing the headCANON KK·Filed 1994·Granted Nov 30, 1999·6 cites·9 claims
- 3941US5877784APrinthead, printing apparatus and printing method using printheadCANON KK·Filed 1995·Granted Mar 2, 1999·9 cites·28 claims
- 4031US6877225B1Method of manufacturing an ink jet headCANON KK·Filed 1999·Granted Apr 12, 2005·0 cites·9 claims
- 4130USD502501SPartial right-side panel and rear panel for an ink-jet cartridgeCANON KK·Filed 1996·Granted Mar 1, 2005·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →