Inventor · disambiguated record
Koichi Haga
Also filed as: HAGA KOICHI
45 granted patents·4 pending applications·716 citations·filing 1986–2016
98Inventor score
Top patents by PatentIndex Score
49 records- 0198US6838308B2Semiconductor polysilicon component and method of manufacture thereofTOHOKU TECHNO ARCH CO LTD·Filed 2001·Granted Jan 4, 2005·221 cites·10 claims
- 0295US7262892B1Hologram reconstruction method and deviceFUJI XEROX CO LTD·Filed 2006·Granted Aug 28, 2007·39 cites·25 claims
- 0386US4969025AAmorphous silicon photosensor with oxygen doped layerRICOH KK·Filed 1989·Granted Nov 6, 1990·67 cites·14 claims
- 0485US7535608B2Hologram recording method and hologram recording apparatusFUJI XEROX CO LTD·Filed 2006·Granted May 19, 2009·6 cites·13 claims
- 0583US7557970B2Hologram recording method, hologram recording device, hologram playback method, and optical recording mediumFUJI XEROX CO LTD·Filed 2006·Granted Jul 7, 2009·5 cites·17 claims
- 0683US7511867B2Hologram reproduction method and apparatusFUJI XEROX CO LTD·Filed 2006·Granted Mar 31, 2009·7 cites·20 claims
- 0782US7535609B2Hologram recording method and deviceFUJI XEROX CO LTD·Filed 2006·Granted May 19, 2009·7 cites·21 claims
- 0881US6936188B1Zinc oxide semiconductor materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Aug 30, 2005·17 cites·8 claims
- 0981US5140397AAmorphous silicon photoelectric deviceRICOH KK·Filed 1989·Granted Aug 18, 1992·40 cites·13 claims
- 1081US4792510AElectrophotographic element with silicide treated porous Al2 O3 sublayerRICOH KK·Filed 1987·Granted Dec 20, 1988·23 cites·9 claims
- 1179US7477433B2Hologram recording method, optical recording medium, and hologram-recording deviceFUJI XEROX CO LTD·Filed 2005·Granted Jan 13, 2009·5 cites·2 claims
- 1279US6307996B1Optical waveguide device and manufacturing method thereofFUJI XEROX CO LTD·Filed 1998·Granted Oct 23, 2001·59 cites·25 claims
- 1378US4980705APrint recording headFUJI XEROX CO LTD·Filed 1988·Granted Dec 25, 1990·25 cites·14 claims
- 1477US7582392B2Hologram-recording material, hologram-recording medium, and hologram-recording methodFUJI XEROX CO LTD·Filed 2006·Granted Sep 1, 2009·4 cites·17 claims
- 1576US6589362B2Zinc oxide semiconductor member formed on silicon substrateTOHOKU TECHNO ARCH CO LTD·Filed 2001·Granted Jul 8, 2003·26 cites·9 claims
- 1674US5403673AFunctional thin film memberRICOH KK·Filed 1992·Granted Apr 4, 1995·39 cites·32 claims
- 1770US7782732B2Optical recording method, optical reproducing method, and optical reproducing apparatusFUJI XEROX CO LTD·Filed 2006·Granted Aug 24, 2010·2 cites·12 claims
- 1870US7385740B2Hologram recording mediumFUJI XEROX CO LTD·Filed 2005·Granted Jun 10, 2008·2 cites·18 claims
- 1969US7835052B2Hologram recording method and hologram recording deviceFUJI XEROX CO LTD·Filed 2006·Granted Nov 16, 2010·2 cites·4 claims
- 2069US7826324B2Data playback method and device for data recorded as a hologramFUJI XEROX CO LTD·Filed 2006·Granted Nov 2, 2010·2 cites·14 claims
- 2167US7816059B2Hologram recording material, hologram recording medium and hologram recording methodFUJI XEROX CO LTD·Filed 2007·Granted Oct 19, 2010·1 cites·21 claims
- 2266US7529008B2Hologram recording method and hologram recording deviceFUJI XEROX CO LTD·Filed 2006·Granted May 5, 2009·1 cites·12 claims
- 2366US7355767B2Hologram recording method and hologram recording apparatusFUJI XEROX CO LTD·Filed 2005·Granted Apr 8, 2008·1 cites·22 claims
- 2465US6336707B1Recording element and recording deviceFUJI XEROX CO LTD·Filed 1997·Granted Jan 8, 2002·22 cites·23 claims
- 2561US5153750AImage reading apparatus having a contact type image sensor deviceRICOH KK·Filed 1990·Granted Oct 6, 1992·21 cites·24 claims
- 2659US5953027AMethod and apparatus for redirecting propagating acoustic waves from a substrate to a slant face to cause ink-jetting of ink materialFUJI XEROX CO LTD·Filed 1996·Granted Sep 14, 1999·18 cites·24 claims
- 2757US7974173B2Optical device for holographic recording or reading and method for controlling the sameFUJI XEROX CO LTD·Filed 2008·Granted Jul 5, 2011·0 cites·12 claims
- 2856US7826114B2Hologram recording apparatus, hologram recording method and optical recording mediumFUJI XEROX CO LTD·Filed 2007·Granted Nov 2, 2010·0 cites·14 claims
- 2954US6860937B1Method for preparing zinc oxide semi-conductor materialTOHOKU TECHNO ARCH CO LTD·Filed 2000·Granted Mar 1, 2005·2 cites·12 claims
- 3053US7800801B2Two-dimensional coding methodFUJI XEROX CO LTD·Filed 2006·Granted Sep 21, 2010·0 cites·29 claims
- 3153US4734346APhotosensitive material for electrophotographyRICOH KK·Filed 1986·Granted Mar 29, 1988·9 cites·12 claims
- 3252US8270278B2Optical recording apparatus, optical recording method, recording medium, and reproducing methodMINABE JIRO·Filed 2007·Granted Sep 18, 2012·0 cites·10 claims
- 3351US9802402B2Method of manufacturing heating device by screen printingFUJI XEROX CO LTD·Filed 2016·Granted Oct 31, 2017·0 cites·4 claims
- 3451US8013971B2Display mediumFUJI XEROX CO LTD·Filed 2009·Granted Sep 6, 2011·0 cites·16 claims
- 3550US8149487B2Optical apparatusFURUKI MAKOTO·Filed 2008·Granted Apr 3, 2012·0 cites·7 claims
- 3648US7846615B2Hologram recording material, hologram recording medium and hologram recording methodFUJI XEROX CO LTD·Filed 2007·Granted Dec 7, 2010·0 cites·14 claims
- 3748US2007115790A1Holographic recording medium and holographic recording process using the sameFUJI XEROX CO LTD·Filed 2006·Application pending·0 cites
- 3847US5060041AAmorphous silicon photosensorRICOH GEN ELECTRON RES INST·Filed 1988·Granted Oct 22, 1991·11 cites·33 claims
- 3946US7633661B2Hologram recording apparatus and hologram recording methodFUJI XEROX CO LTD·Filed 2005·Granted Dec 15, 2009·0 cites·12 claims
- 4046US2007047037A1Hologram recording medium and hologram recording methodFUJI XEROX CO LTD·Filed 2006·Application pending·0 cites
- 4145US5155567AAmorphous photoconductive material and photosensor employing the photoconductive materialRICOH KK·Filed 1990·Granted Oct 13, 1992·11 cites·7 claims
- 4245US2006203315A1Hologram recording mediumFUJI XEROX CO LTD·Filed 2005·Application pending·0 cites
- 4344US8035873B2Hologram recording method and hologram recording device using generating light patternsFUJI XEROX CO LTD·Filed 2007·Granted Oct 11, 2011·0 cites·14 claims
- 4441US5283207APhotoconductive material and photosensor employing the photoconductive materialRICOH KK·Filed 1992·Granted Feb 1, 1994·9 cites·8 claims
- 4538US5917521AInk jet recording apparatus and method for jetting an ink droplet from a free surface of an ink material using vibrational energyFUJI XEROX CO LTD·Filed 1997·Granted Jun 29, 1999·5 cites·18 claims
- 4637US7787346B2Hologram recording method and device, hologram reproduction method and device, and optical recording mediumFUJI XEROX CO LTD·Filed 2007·Granted Aug 31, 2010·0 cites·5 claims
- 4737US2017212459A1Fixing device, image forming apparatus, and heating deviceFUJI XEROX CO LTD·Filed 2016·Application pending·0 cites
- 4834US6283579B1Recording headFUJI XEROX CO LTD·Filed 1998·Granted Sep 4, 2001·3 cites·3 claims
- 4931US5123975ASingle crystal silicon substrateRICOH KK·Filed 1990·Granted Jun 23, 1992·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →