Inventor · disambiguated record
Yoshifumi Hattori
Also filed as: HATTORI YOSHIFUMI
55 granted patents·2,860 citations·filing 1982–2001
99Inventor score
Files withCANON KK55
Top patents by PatentIndex Score
55 records- 0199US6332919B2Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording methodCANON KK·Filed 2001·Granted Dec 25, 2001·126 cites·5 claims
- 0298US5976233AWater-based pigment ink, and ink-jet recording method and instruments using the sameCANON KK·Filed 1997·Granted Nov 2, 1999·185 cites·27 claims
- 0398US5451251AInk, and ink-jet recording method and instrument using the sameCANON KK·Filed 1994·Granted Sep 19, 1995·166 cites·44 claims
- 0498US4680696AInk jet recorder with improved system for transporting ink to or from recording headsCANON KK·Filed 1986·Granted Jul 14, 1987·148 cites·16 claims
- 0597US6280513B1Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording methodCANON KK·Filed 1999·Granted Aug 28, 2001·135 cites·37 claims
- 0697US6027210AInk-jet recording process using liquid formulation and ink in combinationCANON KK·Filed 1997·Granted Feb 22, 2000·148 cites·18 claims
- 0797US5262802ARecording head assembly with single sealing member for ejection outlets and for an air ventCANON KK·Filed 1990·Granted Nov 16, 1993·127 cites·7 claims
- 0896US5523780AInk jet recording apparatus and ink cartridge mountable on said apparatusCANON KK·Filed 1993·Granted Jun 4, 1996·133 cites·2 claims
- 0996US5512926AInk jet recording apparatus and method for releasably mounting ink jet recording head and separable ink tankCANON KK·Filed 1995·Granted Apr 30, 1996·108 cites·11 claims
- 1096US5482545AInk, and ink-jet recording method and instrument using the sameCANON KK·Filed 1994·Granted Jan 9, 1996·89 cites·16 claims
- 1194US5237342AInk 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
- 1293US5389957AInk jet head with contoured outlet surfaceCANON KK·Filed 1992·Granted Feb 14, 1995·86 cites·5 claims
- 1392US5534899AReplaceable ink tankCANON KK·Filed 1995·Granted Jul 9, 1996·78 cites·7 claims
- 1492US5280299AInk filling method for ink jet recording apparatusCANON KK·Filed 1991·Granted Jan 18, 1994·59 cites·4 claims
- 1592US4499480ALiquid jet recording deviceCANON KK·Filed 1982·Granted Feb 12, 1985·54 cites·9 claims
- 1691US5453772ALiquid container with bladder-like member and liquid path along an interior container wallCANON KK·Filed 1995·Granted Sep 26, 1995·79 cites·14 claims
- 1790US5500664AInk jet recording apparatus and detachably mountable ink jet cartridgeCANON KK·Filed 1994·Granted Mar 19, 1996·75 cites·8 claims
- 1890US5485184AInk jet recording head and ink jet apparatus having sameCANON KK·Filed 1995·Granted Jan 16, 1996·57 cites·1 claims
- 1989US6174354B1Ink, ink-jet recording process and apparatus using the sameCANON KK·Filed 1996·Granted Jan 16, 2001·61 cites·18 claims
- 2089US5008688AInk jet recording apparatus capable of mounting an ink tank and ink tank for use in sameCANON KK·Filed 1989·Granted Apr 16, 1991·42 cites·13 claims
- 2188US4684962AInk tube connecting system in a liquid jet recording apparatusCANON KK·Filed 1985·Granted Aug 4, 1987·50 cites·12 claims
- 2288US4610202AInk reservoirCANON KK·Filed 1984·Granted Sep 9, 1986·38 cites·10 claims
- 2386US4775871AInk jet recording apparatus having a flexible ink supply connectionCANON KK·Filed 1987·Granted Oct 4, 1988·42 cites·13 claims
- 2484US6070975AInk jet recording apparatus and a method for installing ink jet recording headCANON KK·Filed 1997·Granted Jun 6, 2000·43 cites·11 claims
- 2583US5270739ALiquid container having an elastic dome-shaped pressure control device with a slitCANON KK·Filed 1992·Granted Dec 14, 1993·46 cites·13 claims
- 2681US5311214AInk jet recording apparatus having means for removing foreign material from an ink supply path by first introducing an into the ink supply pathCANON KK·Filed 1991·Granted May 10, 1994·36 cites·22 claims
- 2780US5371528ALiquid jet head with nonlinear liquid passages having a diverging portionCANON KK·Filed 1992·Granted Dec 6, 1994·35 cites·13 claims
- 2880US5148192ALiquid 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
- 2977US5850238ARecording head with coverCANON KK·Filed 1993·Granted Dec 15, 1998·35 cites·2 claims
- 3077US5365262ASealed insulated ink containerCANON KK·Filed 1994·Granted Nov 15, 1994·33 cites·13 claims
- 3174US5365260AInk supply device with elastic valve for liquid supplying slitCANON KK·Filed 1992·Granted Nov 15, 1994·31 cites·23 claims
- 3274US5339098ALiquid discharge recording apparatus having apparatus for effecting preparatory emissionCANON KK·Filed 1992·Granted Aug 16, 1994·32 cites·39 claims
- 3373US5956056AInk jet recording apparatus and method of recording with separated image dataCANON KK·Filed 1993·Granted Sep 21, 1999·30 cites·22 claims
- 3472US5162818AInk jet recording head having a window for observation of electrical connectionCANON KK·Filed 1990·Granted Nov 10, 1992·29 cites·24 claims
- 3571US6113223AInk jet recording head with ink chamber having slanted surfaces to aid bubble removalCANON KK·Filed 1997·Granted Sep 5, 2000·28 cites·30 claims
- 3671US5189443ARecording head having stress-minimizing constructionCANON KK·Filed 1992·Granted Feb 23, 1993·26 cites·5 claims
- 3768US6540314B1Ink tank, cartridge including the ink tank, and printing apparatus using the cartridgeCANON KK·Filed 1999·Granted Apr 1, 2003·24 cites·12 claims
- 3868US6196655B1Ink-jet recording apparatus and recovery process method of the sameCANON KK·Filed 1993·Granted Mar 6, 2001·20 cites·10 claims
- 3968US5245360AInk jet apparatus capable of mounting an ink tank and ink for use in sameCANON KK·Filed 1991·Granted Sep 14, 1993·23 cites·9 claims
- 4064US5500658AInk jet recording apparatus having a heating member and means for reducing moisture near an ink discharge port of a recording headCANON KK·Filed 1994·Granted Mar 19, 1996·18 cites·35 claims
- 4163US5450110AConnection between an ink jet head and an ink supply member in an ink jet recording apparatusCANON KK·Filed 1994·Granted Sep 12, 1995·18 cites·69 claims
- 4262US5500666ACapping member for indirectly venting the interior of an ink container, and recording cartridge and apparatus using sameCANON KK·Filed 1994·Granted Mar 19, 1996·17 cites·24 claims
- 4361US5623287AInk container with a controlled ink distribution therein, and method of filling the sameCANON KK·Filed 1995·Granted Apr 22, 1997·13 cites·4 claims
- 4460US6565186B1Ink jet head, ink jet apparatus and method of recoverably activating in the apparatusCANON KK·Filed 1997·Granted May 20, 2003·18 cites·28 claims
- 4560US5548308ALiquid discharge recording apparatus having apparatus for effecting preparatory emissionCANON KK·Filed 1995·Granted Aug 20, 1996·19 cites·19 claims
- 4659US5216448AInk jet recording head carriage and an apparatus with sameCANON KK·Filed 1992·Granted Jun 1, 1993·15 cites·14 claims
- 4756US5444473AInk jet recording apparatusCANON KK·Filed 1991·Granted Aug 22, 1995·13 cites·8 claims
- 4855US6086187AInk jet head having a silicon intermediate layerCANON KK·Filed 1994·Granted Jul 11, 2000·13 cites·17 claims
- 4955US5508725AInk jet head having trapezoidal ink passages, ink cartridge and recording apparatus with sameCANON KK·Filed 1994·Granted Apr 16, 1996·12 cites·14 claims
- 5054US6290344B1Vented 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
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →