Inventor · disambiguated record
Hiroyuki Oba
Also filed as: OBA HIROYUKI
23 granted patents·3 pending applications·554 citations·filing 1982–2012
96Inventor score
Top patents by PatentIndex Score
26 records- 0198US5498662AGas barrier film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1994·Granted Mar 12, 1996·131 cites·13 claims
- 0297US5621026AGas barrier film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1995·Granted Apr 15, 1997·112 cites·12 claims
- 0389US5621510AImage heating apparatus with driving roller having low thermal expansion coefficient outer layerCANON KK·Filed 1994·Granted Apr 15, 1997·36 cites·24 claims
- 0488US5801360AImage fixing apparatusCANON KK·Filed 1995·Granted Sep 1, 1998·45 cites·6 claims
- 0584US7864093B2Pulse phase difference detecting circuit and A/D converter using the sameRENESAS ELECTRONICS CORP·Filed 2009·Granted Jan 4, 2011·12 cites·13 claims
- 0683US7476712B2Film and process for producing the sameKUREHA CORP·Filed 2003·Granted Jan 13, 2009·20 cites·26 claims
- 0781US6746762B1Film selectively permeable to carbon dioxide gas and food packaging film comprising the sameKUREHA CHEMICAL IND CO LTD·Filed 2000·Granted Jun 8, 2004·24 cites·4 claims
- 0881US4500645AHydrocracking catalyst composition and method of making sameCATALYSTS & CHEM IND CO·Filed 1982·Granted Feb 19, 1985·36 cites·12 claims
- 0979US6539190B2Process cartridge and image forming apparatus comprising charging means including a charge member and electroconductive particlesCANON KK·Filed 2001·Granted Mar 25, 2003·18 cites·34 claims
- 1076US5574096AGas barrier film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1994·Granted Nov 12, 1996·31 cites·21 claims
- 1173US5552479AGas barrier film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1994·Granted Sep 3, 1996·24 cites·17 claims
- 1268US5560988AGas barrier laminate and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1995·Granted Oct 1, 1996·24 cites·13 claims
- 1364US7847174B2Tone generation system controlling the music systemYAMAHA CORP·Filed 2006·Granted Dec 7, 2010·2 cites·4 claims
- 1463US7592531B2Tone generation systemYAMAHA CORP·Filed 2007·Granted Sep 22, 2009·4 cites·11 claims
- 1560US6778791B2Image forming apparatus having charging rotatable memberCANON KK·Filed 2002·Granted Aug 17, 2004·7 cites·17 claims
- 1660US6434349B1Image forming apparatusCANON KK·Filed 2001·Granted Aug 13, 2002·7 cites·13 claims
- 1751US2009047529A1Gas Barrier Film and Method for Producing the SameKUREHA CORP·Filed 2006·Application pending·0 cites
- 1849US5897960ALaminate and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Apr 27, 1999·11 cites·28 claims
- 1947US6963700B2Image forming apparatus with variable speed charging memberCANON KK·Filed 2002·Granted Nov 8, 2005·3 cites·11 claims
- 2046US7977559B2Tone generation system controlling the music systemYAMAHA CORP·Filed 2010·Granted Jul 12, 2011·0 cites·3 claims
- 2142US8768190B2Developing deviceOBA HIROYUKI·Filed 2010·Granted Jul 1, 2014·0 cites·8 claims
- 2242US2012076984A1Biaxially Oriented Poly(Arylene Sulfide) Resin Film and Process for Production of SameMIYAZAKI AOI·Filed 2010·Application pending·0 cites
- 2342US2014102533A1Polyvinylidene Fluoride Resin Film, Multilayer Film, Backsheet for Solar Cell Module and Production Process of FilmHOSODA TOMONORI·Filed 2012·Application pending·0 cites
- 2441US6801738B2Image forming apparatus having variable/controlled timing for successive feeding of recording material at image transfer positionCANON KK·Filed 2002·Granted Oct 5, 2004·1 cites·40 claims
- 2538US5709951AComposite deposited film and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1995·Granted Jan 20, 1998·6 cites·10 claims
- 2634US6907211B2Image forming apparatusCANON KK·Filed 2001·Granted Jun 14, 2005·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →