Inventor · disambiguated record
Hiroyoshi Maruyama
Also filed as: MARUYAMA HIROYOSHI
26 granted patents·7 pending applications·461 citations·filing 1988–2018
96Inventor score
Files withCANON KK17MITSUBISHI ENG PLASTICS CORP8MITSUBISHI GAS CHEMICAL CO4MITSUBISHI ENGINEERING-PLASTICS CORP2OLIVETTI CANON IND SPA1
Top patents by PatentIndex Score
33 records- 0194US5807914AGlass fiber-reinforced polycarbonate resin compositionMITSUBISHI ENG PLASTICS CORP·Filed 1997·Granted Sep 15, 1998·86 cites·14 claims
- 0293US5918876ASheet conveying apparatusCANON KK·Filed 1997·Granted Jul 6, 1999·57 cites·22 claims
- 0388US5492315ASheet post-treatment apparatus having tab trimmerCANON KK·Filed 1994·Granted Feb 20, 1996·33 cites·14 claims
- 0488US4995601AAnti-skew sheet feeding device for image forming apparatus and sheet storage device for use thereinCANON KK·Filed 1988·Granted Feb 26, 1991·33 cites·10 claims
- 0580US5303004AApparatus for driving image bearing member via torque limiterCANON KK·Filed 1992·Granted Apr 12, 1994·26 cites·7 claims
- 0679US9745465B2Resin composition for laser direct structuring, resin-molded article, and method for manufacturing molded article with plated layerMITSUBISHI ENGINEERING-PLASTICS CORP·Filed 2013·Granted Aug 29, 2017·5 cites·17 claims
- 0778US6391418B1Substrate for information recording mediaMITSUBISHI ENG PLASTICS CORP·Filed 1999·Granted May 21, 2002·29 cites·11 claims
- 0877US5364088APaper holding apparatusOLIVETTI CANON IND SPA·Filed 1993·Granted Nov 15, 1994·28 cites·23 claims
- 0972US5329342AImage fixing apparatusCANON KK·Filed 1993·Granted Jul 12, 1994·19 cites·4 claims
- 1068US4799662ASheet feeding deviceCANON KK·Filed 1988·Granted Jan 24, 1989·16 cites·12 claims
- 1167US4896193AMulticolored image forming apparatus separable for ease of maintenanceCANON KK·Filed 1989·Granted Jan 23, 1990·16 cites·29 claims
- 1266US5752154ASheet post-treatment apparatus of line-up free typeCANON KK·Filed 1996·Granted May 12, 1998·15 cites·10 claims
- 1364US2018291198A1Resin composition for laser direct structuring, resin molded article, and method for manufacturing molded resin article with plated layerMITSUBISHI ENG PLASTICS CORP·Filed 2018·Application pending·0 cites
- 1463US2018134894A1Resin composition for laser direct structuring, resin molded article, and method for manufacturing molded resin article with plated layerMITSUBISHI ENG PLASTICS CORP·Filed 2018·Application pending·0 cites
- 1560US2015203680A1Resin composition for laser direct structuring, resin molded article, and method for manufacturing molded resin article with plated layerMITSUBISHI ENG PLASTICS CORP·Filed 2013·Application pending·0 cites
- 1660US2015210849A1Resin composition for laser direct structuring, resin molded article, and method for manufacturing molded resin article with plated layerMITSUBISHI ENG PLASTICS CORP·Filed 2013·Application pending·0 cites
- 1759US9663653B2Resin composition for laser direct structuring, resin molded article, and method for manufacturing molded resin article with plated layerMITSUBISHI ENGINEERING-PLASTICS CORP·Filed 2013·Granted May 30, 2017·0 cites·17 claims
- 1858US6081688ABoth-face automatic original feeding apparatusCANON KK·Filed 1997·Granted Jun 27, 2000·22 cites·24 claims
- 1958US5597153AAutomatic original feed apparatusCANON KK·Filed 1995·Granted Jan 28, 1997·23 cites·16 claims
- 2058US5473421AMulticolor image forming apparatus for forming a multicolor image on a transfer materialCANON KK·Filed 1994·Granted Dec 5, 1995·11 cites·6 claims
- 2156US6661545B2Image reading apparatus, and dimming control method and line sensor layout method thereforCANON KK·Filed 1999·Granted Dec 9, 2003·16 cites·22 claims
- 2255US11365298B2Sheet formed from carbon fiber reinforced thermoplastic resin, and production method of said sheetMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Jun 21, 2022·0 cites·8 claims
- 2354US7072083B2Image reading apparatus, and dimming control method and line sensor layout method thereforCANON KK·Filed 2003·Granted Jul 4, 2006·1 cites·19 claims
- 2453US11498310B2Sheet formed from carbon fiber reinforced thermoplastic resin, and production method of said sheetMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Nov 15, 2022·0 cites·7 claims
- 2551US11370883B2Polycarbonate resin composition, molded article, polycarbonate resin, and end-capping agent for polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Jun 28, 2022·0 cites·10 claims
- 2650US5023658AImage forming apparatusCANON KK·Filed 1990·Granted Jun 11, 1991·8 cites·15 claims
- 2748US11466132B2Sheet formed from carbon fiber reinforced thermoplastic resin, and production method of said sheetMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Oct 11, 2022·0 cites·7 claims
- 2847US5191377AOriginal scanning apparatus with electrical connecting memberCANON KK·Filed 1991·Granted Mar 2, 1993·10 cites·27 claims
- 2947US2015072149A1Resin composition for laser direct structuring, resin molded article, and method for manufacturing molded resin article with plated layerMITSUBISHI ENG PLASTICS CORP·Filed 2013·Application pending·0 cites
- 3043US5099283AElectrophotographic apparatus with leading edge blankingCANON KK·Filed 1988·Granted Mar 24, 1992·5 cites·29 claims
- 3138US2005049368A1Aromatic polycarbonate resin pellets for light guide plate, light guide plate, method for producing light guide plate and surface light source unit using the sameMITSUBISHI ENG PLASTICS CORP·Filed 2004·Application pending·0 cites
- 3237US2009207496A1Polycarbonate Resin Composition for Light Diffusion Plates, and Light Diffusion PlateSASAKI HARUO·Filed 2006·Application pending·0 cites
- 3332US5726774ADocument reading device with light-shielding member that prevents a local temperature increase in a document placing tableCANON KK·Filed 1995·Granted Mar 10, 1998·2 cites·9 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →