Inventor · disambiguated record
Asao Saito
Also filed as: SAITO ASAO
60 granted patents·2,452 citations·filing 1986–2002
99Inventor score
Top patents by PatentIndex Score
60 records- 0199US5479197AHead for recording apparatusCANON KK·Filed 1995·Granted Dec 26, 1995·334 cites·24 claims
- 0298US6290334B1Recording apparatus, recording head and substrate thereforCANON KK·Filed 1994·Granted Sep 18, 2001·181 cites·57 claims
- 0397US5262802ARecording 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
- 0496US5175565AInk jet substrate including plural temperature sensors and heatersCANON KK·Filed 1991·Granted Dec 29, 1992·133 cites·15 claims
- 0595US5583744APortable computer with detachable battery packCITIZEN WATCH CO LTD·Filed 1995·Granted Dec 10, 1996·125 cites·26 claims
- 0694US6474789B1Recording apparatus, recording head and substrate thereforCANON KK·Filed 2001·Granted Nov 5, 2002·46 cites·36 claims
- 0794US5237342AInk 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
- 0893US6068363ARecording head and apparatus employing multiple temperature sensors to effect temperature controlCANON KK·Filed 1997·Granted May 30, 2000·84 cites·20 claims
- 0993US5389957AInk jet head with contoured outlet surfaceCANON KK·Filed 1992·Granted Feb 14, 1995·86 cites·5 claims
- 1092US5280299AInk filling method for ink jet recording apparatusCANON KK·Filed 1991·Granted Jan 18, 1994·59 cites·4 claims
- 1191US5491505AInk jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge inkCANON KK·Filed 1994·Granted Feb 13, 1996·75 cites·13 claims
- 1290US5580468AMethod of fabricating head for recording apparatusCANON KK·Filed 1995·Granted Dec 3, 1996·69 cites·9 claims
- 1390US5485184AInk jet recording head and ink jet apparatus having sameCANON KK·Filed 1995·Granted Jan 16, 1996·57 cites·1 claims
- 1489US6234599B1Substrate having a built-in temperature detecting element, and ink jet apparatus having the sameCANON KK·Filed 1994·Granted May 22, 2001·53 cites·19 claims
- 1586USD410913SLC cardCITIZEN WATCH CO LTD·Filed 1998·Granted Jun 15, 1999·32 cites·1 claims
- 1685US5157419ARecording head substrate having a functional element connected to an electrothermal transducer by a layer of a material used in a heater layer of the electrothermal transducerCANON KK·Filed 1990·Granted Oct 20, 1992·45 cites·16 claims
- 1783US5760797AInk jet recording head with adjustable temperature sensor and ink jet recording system having the sameCANON KK·Filed 1994·Granted Jun 2, 1998·47 cites·27 claims
- 1882US5485182ALiquid jet recording apparatusCANON KK·Filed 1994·Granted Jan 16, 1996·45 cites·31 claims
- 1980USD405441SIC cardCITIZEN WATCH CO LTD·Filed 1997·Granted Feb 9, 1999·24 cites·1 claims
- 2080US5371528ALiquid jet head with nonlinear liquid passages having a diverging portionCANON KK·Filed 1992·Granted Dec 6, 1994·35 cites·13 claims
- 2180US5148192ALiquid 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
- 2279US6078496APortable computer with hinged detachable battery packCITIZEN WATCH CO LTD·Filed 1997·Granted Jun 20, 2000·68 cites·13 claims
- 2379US5477244ATesting method and apparatus for judging a printing device on the basis of a test pattern recorded on a recording medium by the printing deviceCANON KK·Filed 1994·Granted Dec 19, 1995·38 cites·96 claims
- 2477US5850238ARecording head with coverCANON KK·Filed 1993·Granted Dec 15, 1998·35 cites·2 claims
- 2576US5638097ARecording apparatus to which recording head is detachably mountedCANON KK·Filed 1993·Granted Jun 10, 1997·34 cites·30 claims
- 2675US6505907B2Recording apparatus having abnormality determination based on temperature and average ejection duty cycleCANON KK·Filed 2002·Granted Jan 14, 2003·12 cites·8 claims
- 2773US5212503ALiquid jet recording head having a substrate with minimized electrode overlapCANON KK·Filed 1991·Granted May 18, 1993·29 cites·48 claims
- 2872US5162818AInk jet recording head having a window for observation of electrical connectionCANON KK·Filed 1990·Granted Nov 10, 1992·29 cites·24 claims
- 2971US6598952B2Liquid jet recording head having controller for controlling temperature distributionCANON KK·Filed 2000·Granted Jul 29, 2003·10 cites·18 claims
- 3071US6113223AInk jet recording head with ink chamber having slanted surfaces to aid bubble removalCANON KK·Filed 1997·Granted Sep 5, 2000·28 cites·30 claims
- 3171US5745136ALiquid jet head, and liquid jet apparatus thereforCANON KK·Filed 1996·Granted Apr 28, 1998·28 cites·8 claims
- 3271US5189443ARecording head having stress-minimizing constructionCANON KK·Filed 1992·Granted Feb 23, 1993·26 cites·5 claims
- 3371US5182577AInk jet recording head having an improved substance arrangement deviceCANON KK·Filed 1991·Granted Jan 26, 1993·23 cites·16 claims
- 3471US4692773AImage forming method using image forming elements having different concentrations and pitchesCANON KK·Filed 1986·Granted Sep 8, 1987·24 cites·10 claims
- 3570US5488395ALiquid jet recording apparatusCANON KK·Filed 1994·Granted Jan 30, 1996·25 cites·48 claims
- 3668US6224191B1Ink jet recording headCANON KK·Filed 1998·Granted May 1, 2001·24 cites·5 claims
- 3767US5329304ARemaining ink detecting device and ink jet head cartridgeCANON KK·Filed 1992·Granted Jul 12, 1994·22 cites·23 claims
- 3864US6535378B1Portable computer with detachable battery packCITIZEN WATCH CO LTD·Filed 1996·Granted Mar 18, 2003·34 cites·17 claims
- 3962US5500666ACapping 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
- 4061US5623287AInk container with a controlled ink distribution therein, and method of filling the sameCANON KK·Filed 1995·Granted Apr 22, 1997·13 cites·4 claims
- 4160US5666142AInk jet recording system having improved functional devices for driving energy generating membersCANON KK·Filed 1994·Granted Sep 9, 1997·16 cites·22 claims
- 4259US5567630AMethod of forming an ink jet recording device, and head using sameCANON KK·Filed 1993·Granted Oct 22, 1996·15 cites·14 claims
- 4359US5216448AInk jet recording head carriage and an apparatus with sameCANON KK·Filed 1992·Granted Jun 1, 1993·15 cites·14 claims
- 4455US6056392AMethod of producing recording headCANON KK·Filed 1994·Granted May 2, 2000·10 cites·13 claims
- 4555US5774147ASubstrate having a common collector region and being usable in a liquid jet recording headCANON KK·Filed 1993·Granted Jun 30, 1998·12 cites·49 claims
- 4655US5508725AInk jet head having trapezoidal ink passages, ink cartridge and recording apparatus with sameCANON KK·Filed 1994·Granted Apr 16, 1996·12 cites·14 claims
- 4754US6290344B1Vented 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
- 4854US4646105ALiquid jet recording methodCANON KK·Filed 1986·Granted Feb 24, 1987·9 cites·7 claims
- 4953US5436649AInk jet recording head having constituent members clamped togetherCANON KK·Filed 1994·Granted Jul 25, 1995·8 cites·7 claims
- 5051US5264874AInk jet recording systemCANON KK·Filed 1991·Granted Nov 23, 1993·9 cites·34 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →