Inventor · disambiguated record
Hirokazu Yanagihara
Also filed as: YANAGIHARA HIROKAZU
22 granted patents·7 pending applications·296 citations·filing 1994–2025
95Inventor score
Top patents by PatentIndex Score
29 records- 0185US5756013AMethod of molding a synthetic resin layered lens for a vehicle headlightKOITO MFG CO LTD·Filed 1995·Granted May 26, 1998·49 cites·1 claims
- 0282US7567774B2Image forming apparatusSEIKO EPSON CORP·Filed 2007·Granted Jul 28, 2009·7 cites·6 claims
- 0381US8507897B2Organic EL element having a partition with a step, method for manufacturing organic EL element, organic EL device, and electronic apparatusYANAGIHARA HIROKAZU·Filed 2010·Granted Aug 13, 2013·6 cites·10 claims
- 0479US9612510B2ProjectorSEIKO EPSON CORP·Filed 2015·Granted Apr 4, 2017·3 cites·9 claims
- 0577US5922369AApparatus for making a synthetic resin layered lens for a vehicle lighting deviceKOITO MFG CO LTD·Filed 1997·Granted Jul 13, 1999·32 cites·8 claims
- 0676US7956535B2Light emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2008·Granted Jun 7, 2011·5 cites·9 claims
- 0775US12397570B2Drive circuit unit, head unit, and liquid discharge apparatusSEIKO EPSON CORP·Filed 2023·Granted Aug 26, 2025·0 cites·22 claims
- 0875US7775845B2Organic semiconductor device, method for producing organic semiconductor device, organic electroluminescent device, and method for producing organic electroluminescent deviceSEIKO EPSON CORP·Filed 2007·Granted Aug 17, 2010·8 cites·11 claims
- 0974US5836674ALens structure for lampsKOITO MFG CO LTD·Filed 1996·Granted Nov 17, 1998·38 cites·12 claims
- 1073US5721039ASynthetic resin layered lens for a vehicle lighting device, method of molding the same and apparatus thereforeKOITO MFG CO LTD·Filed 1994·Granted Feb 24, 1998·25 cites·5 claims
- 1171US5642228AResin-molded lens having no sink marks and process for producing sameKOITO MFG CO LTD·Filed 1994·Granted Jun 24, 1997·33 cites·10 claims
- 1271US2025262878A1Liquid Ejecting Head And Liquid Ejecting ApparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1371US2025262877A1Liquid Ejecting Head And Liquid Ejecting ApparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1471US2025262865A1Liquid Ejecting Head And Liquid Ejecting ApparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1571US2025262857A1Manufacturing Method Of Liquid Ejecting HeadSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1668US5609407AVehicular lamps, and apparatus and method for molding the sameKOITO MFG CO LTD·Filed 1995·Granted Mar 11, 1997·28 cites·5 claims
- 1767US12434474B2Drive unit, liquid ejecting head unit, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Oct 7, 2025·0 cites·6 claims
- 1867US12358283B2First drive unit, first liquid ejecting head unit, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Jul 15, 2025·0 cites·5 claims
- 1965US6010642AAzine derivative, process for the preparation thereof, nematic liquid crystal composition and liquid crystal display system comprising sameDAINIPPON INK & CHEMICALS·Filed 1997·Granted Jan 4, 2000·24 cites·20 claims
- 2063US12370792B2Liquid ejecting apparatus and cooling unitSEIKO EPSON CORP·Filed 2023·Granted Jul 29, 2025·0 cites·10 claims
- 2162US8154032B2Electrooptical device, electronic apparatus, and method for producing electrooptical deviceYANAGIHARA HIROKAZU·Filed 2008·Granted Apr 10, 2012·2 cites·11 claims
- 2261US12370798B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Jul 29, 2025·0 cites·9 claims
- 2358US2025033373A1Liquid Ejecting Apparatus And Cleaning Method For Liquid Ejecting HeadSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 2457US7198827B1Nematic liquid crystal composition and liquid crystal display device using the sameDAINIPPON INK & CHEMICALS·Filed 1999·Granted Apr 3, 2007·16 cites·19 claims
- 2556US11549893B2ProjectorSEIKO EPSON CORP·Filed 2020·Granted Jan 10, 2023·0 cites·10 claims
- 2650US6074079AVehicle-lampKOITO MFG CO LTD·Filed 1998·Granted Jun 13, 2000·13 cites·19 claims
- 2749US2009322216A1Display device, display device manufacturing method and display methodSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 2845US2005036018A1Ink set for inket printingFiled 2002·Application pending·0 cites
- 2936US5743630AMethod for molding lamp body automotive lamps and lamp body thereof formed of synthetic resin and a mold thereforKOITO MFG CO LTD·Filed 1996·Granted Apr 28, 1998·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →