Inventor · disambiguated record
Hiroshi Sugitani
Also filed as: SUGITANI HIROSHI
118 granted patents·8 pending applications·6,009 citations·filing 1981–2020
99Inventor score
Top patents by PatentIndex Score
126 records- 0199US4611219ALiquid-jetting headCANON KK·Filed 1982·Granted Sep 9, 1986·281 cites·16 claims
- 0299US4558333ALiquid jet recording headCANON KK·Filed 1982·Granted Dec 10, 1985·2.1k cites·14 claims
- 0399US4412224AMethod of forming an ink-jet headCANON KK·Filed 1981·Granted Oct 25, 1983·204 cites·5 claims
- 0498US6375312B1HEAT 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
- 0598US4450455AInk jet headCANON KK·Filed 1982·Granted May 22, 1984·117 cites·7 claims
- 0697US5262802ARecording 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
- 0796US9365046B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Jun 14, 2016·8 cites·8 claims
- 0896US9327514B2Inkjet printing apparatusRISO KAGAKU CORP·Filed 2015·Granted May 3, 2016·9 cites·5 claims
- 0996US4689642AInk-jet recording head with an elastic ink tank in a sealed casing held at a partial vacuum and having a breakable sealCANON KK·Filed 1985·Granted Aug 25, 1987·115 cites·8 claims
- 1096US4417251AInk jet headCANON KK·Filed 1981·Granted Nov 22, 1983·78 cites·23 claims
- 1195US4609427AMethod for producing ink jet recording headCANON KK·Filed 1984·Granted Sep 2, 1986·90 cites·28 claims
- 1295US4509063AInk jet recording head with delaminating featureCANON KK·Filed 1983·Granted Apr 2, 1985·89 cites·2 claims
- 1395US4394670AInk jet head and method for fabrication thereofCANON KK·Filed 1981·Granted Jul 19, 1983·73 cites·19 claims
- 1494US9272524B1Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Mar 1, 2016·9 cites·2 claims
- 1594US5237342AInk 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
- 1694US4521787AInk jet recording headCANON KK·Filed 1983·Granted Jun 4, 1985·70 cites·6 claims
- 1793US5389957AInk jet head with contoured outlet surfaceCANON KK·Filed 1992·Granted Feb 14, 1995·86 cites·5 claims
- 1893US4437100AInk-jet head and method for production thereofCANON KK·Filed 1982·Granted Mar 13, 1984·54 cites·16 claims
- 1992US6137512AInk containerCANON KK·Filed 1995·Granted Oct 24, 2000·61 cites·13 claims
- 2092US5280299AInk filling method for ink jet recording apparatusCANON KK·Filed 1991·Granted Jan 18, 1994·59 cites·4 claims
- 2191US9016843B2Inkjet printerRISO KAGAKU CORP·Filed 2014·Granted Apr 28, 2015·6 cites·2 claims
- 2291US5952401AInk for use in ink-jet recordingCANON KK·Filed 1997·Granted Sep 14, 1999·67 cites·10 claims
- 2391US4666823AMethod for producing ink jet recording headCANON KK·Filed 1985·Granted May 19, 1987·62 cites·15 claims
- 2490US5485184AInk jet recording head and ink jet apparatus having sameCANON KK·Filed 1995·Granted Jan 16, 1996·57 cites·1 claims
- 2589US6224205B1Color-filter manufacturing method and apparatus, color filter, display device, and apparatus having display deviceCANON KK·Filed 1996·Granted May 1, 2001·68 cites·10 claims
- 2688US9475304B2Inkjet printing device and method for regulating ink circulationRISO KAGAKU CORP·Filed 2015·Granted Oct 25, 2016·4 cites·4 claims
- 2788US4905017ALaminated liquid-jetting head capable of recording in a plurality of colors, a method of producing the head and an apparatus having the headCANON KK·Filed 1988·Granted Feb 27, 1990·57 cites·13 claims
- 2887US8376355B2Sheet discharge deviceRISO KAGAKU CORP·Filed 2012·Granted Feb 19, 2013·5 cites·5 claims
- 2987US6331050B1Liquid ejecting head and method in which a movable member is provided between flow paths, one path joining a common chamber and ejection orifice, the other, having a heat generating elementCANON KK·Filed 1996·Granted Dec 18, 2001·57 cites·118 claims
- 3087US6331043B1Liquid discharging method, a liquid discharge head, and a liquid discharger apparatusCANON KK·Filed 1998·Granted Dec 18, 2001·54 cites·33 claims
- 3186US6074543AMethod for producing liquid ejecting headCANON KK·Filed 1996·Granted Jun 13, 2000·47 cites·2 claims
- 3286US5652610AInk tank, ink tank-integrated head cartridge having the tank and ink head constructed integrally, and ink jet printing apparatus having the ink tank or head cartridgeCANON KK·Filed 1994·Granted Jul 29, 1997·53 cites·23 claims
- 3384US6244700B1Ink jet recording apparatus and a fixing heater used for such apparatusCANON KK·Filed 1998·Granted Jun 12, 2001·48 cites·63 claims
- 3484US4701766AMethod of making an ink jet head involving in-situ formation of an orifice plateCANON KK·Filed 1986·Granted Oct 20, 1987·30 cites·5 claims
- 3583US6497475B1Liquid discharge method, head, and apparatus which suppress bubble growth at the upstream sideCANON KK·Filed 2000·Granted Dec 24, 2002·20 cites·10 claims
- 3683US5481289AInk supply mechanism, ink jet cartridge provided with such a mechanism, and ink jet recording apparatus provided with such a mechanismCANON KK·Filed 1993·Granted Jan 2, 1996·47 cites·29 claims
- 3783US4600927AMethod of preserving ink jet recording headCANON KK·Filed 1985·Granted Jul 15, 1986·33 cites·17 claims
- 3882US9340031B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted May 17, 2016·2 cites·3 claims
- 3982US6447984B1Liquid discharge head, method of manufacture therefor and liquid discharge recording apparatusCANON KK·Filed 2000·Granted Sep 10, 2002·23 cites·55 claims
- 4082US5567373AMethod and apparatus for manufacturing a liquid container having plural porous membersCANON KK·Filed 1995·Granted Oct 22, 1996·43 cites·30 claims
- 4180US8714734B2Inkjet printerSUGITANI HIROSHI·Filed 2012·Granted May 6, 2014·3 cites·6 claims
- 4280US6533400B1Liquid discharging methodCANON KK·Filed 2000·Granted Mar 18, 2003·21 cites·3 claims
- 4380US5933163AInk jet recording apparatusCANON KK·Filed 1997·Granted Aug 3, 1999·39 cites·36 claims
- 4480US5371528ALiquid jet head with nonlinear liquid passages having a diverging portionCANON KK·Filed 1992·Granted Dec 6, 1994·35 cites·13 claims
- 4580US5148192ALiquid 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
- 4679US8376511B2Image forming apparatusRISO KAGAKU CORP·Filed 2009·Granted Feb 19, 2013·6 cites·11 claims
- 4779US5815184AInk container having plural porous members for storing ink and ink jet apparatus having said ink containerCANON KK·Filed 1997·Granted Sep 29, 1998·39 cites·19 claims
- 4878US6180018B1Ink jet printing head, manufacturing method therefor, and ink jet printing apparatusCANON KK·Filed 1997·Granted Jan 30, 2001·36 cites·30 claims
- 4977US9567177B2Paper discharge deviceRISO KAGAKU CORP·Filed 2015·Granted Feb 14, 2017·2 cites·6 claims
- 5077US6155677AInk jet recording head, an ink jet unit and an ink jet apparatus using said recording headCANON KK·Filed 1994·Granted Dec 5, 2000·37 cites·35 claims
Showing the top 50 of 126 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →