Inventor · disambiguated record
Takuro Sekiya
Also filed as: SEKIYA TAKURO
68 granted patents·5 pending applications·1,883 citations·filing 1982–2012
99Inventor score
Top patents by PatentIndex Score
73 records- 0198US5610637AInk jet recording methodRICOH KK·Filed 1993·Granted Mar 11, 1997·142 cites·6 claims
- 0298US4990939ABubble jet printer head with improved operational speedRICOH KK·Filed 1989·Granted Feb 5, 1991·179 cites·11 claims
- 0397US6975663B2Surface-emission laser diode operable in the wavelength band of 1.1-7μm and optical telecommunication system using such a laser diodeRICOH KK·Filed 2002·Granted Dec 13, 2005·88 cites·28 claims
- 0497US6039425AInk jet recording method and headRICOH KK·Filed 1997·Granted Mar 21, 2000·89 cites·5 claims
- 0597US5877786AInk jet recording method and headRICOH KK·Filed 1996·Granted Mar 2, 1999·85 cites·3 claims
- 0697US5657060AInk jet recording head having means for controlling ink dropletsRICOH KK·Filed 1995·Granted Aug 12, 1997·83 cites·12 claims
- 0796US7553375B2Fabrication of functional device mounting board making use of inkjet techniqueRICOH KK·Filed 2005·Granted Jun 30, 2009·27 cites·16 claims
- 0896US7012878B2Optical recording medium and optical recording process using the sameRICOH KK·Filed 2003·Granted Mar 14, 2006·63 cites·20 claims
- 0996US6568778B1Liquid jet recording apparatus and methodRICOH KK·Filed 2000·Granted May 27, 2003·40 cites·3 claims
- 1096US6554401B2Liquid jet recording apparatus using a fine particle dispersion recording compositionRICOH KK·Filed 2001·Granted Apr 29, 2003·36 cites·72 claims
- 1196US5172139ALiquid jet head for gradation recordingRICOH KK·Filed 1990·Granted Dec 15, 1992·137 cites·8 claims
- 1295US6338545B1Liquid jet recording apparatus using a fine particle dispersion recording compositionRICOH KK·Filed 1999·Granted Jan 15, 2002·68 cites·25 claims
- 1395US5729257AInk jet recording head with improved ink jettingRICOH KK·Filed 1995·Granted Mar 17, 1998·66 cites·4 claims
- 1494US6598959B2Liquid jet recording apparatus using a fine particle dispersion recording compositionRICOH KK·Filed 2001·Granted Jul 29, 2003·32 cites·8 claims
- 1593US6227639B1Ink jet recording method and headRICOH KK·Filed 1998·Granted May 8, 2001·49 cites·2 claims
- 1693US6193348B1On demand type ink jet recording apparatus and methodRICOH KK·Filed 1998·Granted Feb 27, 2001·52 cites·3 claims
- 1790US8517530B2Fabrication of functional device mounting board making use of inkjet techniqueSEKIYA TAKURO·Filed 2012·Granted Aug 27, 2013·7 cites·11 claims
- 1889US5293182ALiquid jet recording head with selected bubble disappearance positionRICOH KK·Filed 1992·Granted Mar 8, 1994·72 cites·4 claims
- 1988US5754202AInk jet recording apparatusRICOH KK·Filed 1996·Granted May 19, 1998·77 cites·10 claims
- 2087US8926071B2Liquid-jet recording apparatus including multi-nozzle inkjet head for high-speed printingSEKIYA TAKURO·Filed 2011·Granted Jan 6, 2015·5 cites·15 claims
- 2187US7245647B2Surface-emission laser diode operable in the wavelength band of 1.1-1.7mum and optical telecommunication system using such a laser diodeRICOH KK·Filed 2003·Granted Jul 17, 2007·28 cites·13 claims
- 2287US6764174B2Ink-jet recording device and copierRICOH KK·Filed 2002·Granted Jul 20, 2004·23 cites·7 claims
- 2385US7590159B2Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diodeRICOH KK·Filed 2007·Granted Sep 15, 2009·9 cites·5 claims
- 2485US5420618AInk jet recording method and apparatus having drop size control by using plural control electrodesRICOH KK·Filed 1992·Granted May 30, 1995·57 cites·14 claims
- 2585US5389962AInk jet recording head assemblyRICOH KK·Filed 1991·Granted Feb 14, 1995·58 cites·19 claims
- 2684US6918666B2Fabrication of functional device mounting board making use of inkjet techniqueRICOH KK·Filed 2003·Granted Jul 19, 2005·28 cites·28 claims
- 2784US5412413AMethod and apparatus for making liquid drop fly to form image by generating bubble in liquidRICOH KK·Filed 1992·Granted May 2, 1995·52 cites·12 claims
- 2883US6871940B2Liquid jet recording apparatus using a fine particle dispersion recording compositionRICOH KK·Filed 2001·Granted Mar 29, 2005·14 cites·11 claims
- 2983US6789866B2Liquid jet recording apparatus, head and methodRICOH KK·Filed 2003·Granted Sep 14, 2004·12 cites·14 claims
- 3083US5600356ALiquid jet recording head having improved radiator memberRICOH KK·Filed 1994·Granted Feb 4, 1997·48 cites·3 claims
- 3183US4504844AInk jet printing apparatusRICOH KK·Filed 1982·Granted Mar 12, 1985·30 cites·18 claims
- 3282US7738261B2Functional device fabrication apparatus and functional device fabricated with the sameRICOH KK·Filed 2007·Granted Jun 15, 2010·6 cites·9 claims
- 3382US6992433B2Electron-emitting device and image display apparatus using the sameRICOH KK·Filed 2001·Granted Jan 31, 2006·17 cites·19 claims
- 3480US7374279B2Liquid jet recording apparatus, liquid jet head and recording liquidRICOH KK·Filed 2006·Granted May 20, 2008·4 cites·18 claims
- 3580US4510509AInk ejection headRICOH KK·Filed 1983·Granted Apr 9, 1985·25 cites·5 claims
- 3677US8081331B2Image forming apparatusSEKIYA TAKURO·Filed 2006·Granted Dec 20, 2011·5 cites·12 claims
- 3775US8002008B2Conveyance system having identification attaching unitRICOH CO LTD·Filed 2007·Granted Aug 23, 2011·3 cites·17 claims
- 3875US7884537B2Pattern substrate including conductive pattern of overlapping circular patterns disposed on substrateRICOH CO LTD·Filed 2008·Granted Feb 8, 2011·2 cites·10 claims
- 3975US7728503B2Electron emission element, charging device, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted Jun 1, 2010·4 cites·23 claims
- 4072US6991309B2Ink jet recording method and headRICOH KK·Filed 2004·Granted Jan 31, 2006·6 cites·7 claims
- 4172US4631553APrinter head of an ink-jet printerRICOH KK·Filed 1985·Granted Dec 23, 1986·18 cites·18 claims
- 4270US7372800B2Optical recording medium and optical recording process using the sameRICOH KK·Filed 2005·Granted May 13, 2008·1 cites·25 claims
- 4370US7360873B2Color inkjet recording apparatus and copier with increased reliabilityRICOH KK·Filed 2007·Granted Apr 22, 2008·2 cites·6 claims
- 4468US8086141B2Electric charging apparatus and image forming apparatus using the sameSOMEYA YUKIMICHI·Filed 2008·Granted Dec 27, 2011·3 cites·19 claims
- 4567US7598518B2Organic transistor with light emission, organic transistor unit and display device incorporating the organic transistorRICOH KK·Filed 2006·Granted Oct 6, 2009·2 cites·13 claims
- 4667US7213909B2Color inkjet recording apparatus and copier with increased reliabilityRICOH KK·Filed 2002·Granted May 8, 2007·8 cites·25 claims
- 4757US7533950B2Liquid jet recording apparatusRICOH KK·Filed 2008·Granted May 19, 2009·0 cites·7 claims
- 4856US7355335B2Electron-emitting device and image display apparatus using the sameRICOH KK·Filed 2005·Granted Apr 8, 2008·0 cites·19 claims
- 4956US7084559B2Electron-emitting device manufacturing apparatus, solution including metal micro-particles, electron-emitting device, and image displaying apparatusRICOH KK·Filed 2003·Granted Aug 1, 2006·4 cites·17 claims
- 5055US7578577B2Liquid jet apparatus using a fine particle dispersion liquid compositionRICOH KK·Filed 2007·Granted Aug 25, 2009·0 cites·11 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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