Inventor · disambiguated record
Hiroyuki Sugiyama
Also filed as: SUGIYAMA HIROYUKI
219 granted patents·21 pending applications·2,525 citations·filing 1981–2024
99Inventor score
Top patents by PatentIndex Score
240 records- 0198US8683660B2Snap buttonHASEGAWA KENJI·Filed 2009·Granted Apr 1, 2014·35 cites·5 claims
- 0297US8850666B2ButtonHASEGAWA KENJI·Filed 2010·Granted Oct 7, 2014·32 cites·5 claims
- 0396US8561264B2Female snap buttonHASEGAWA KENJI·Filed 2010·Granted Oct 22, 2013·38 cites·6 claims
- 0494US6474769B1Liquid discharge head, liquid discharge apparatus and method for manufacturing liquid discharge headCANON KK·Filed 2000·Granted Nov 5, 2002·56 cites·38 claims
- 0593US5889677ACircuit designing apparatus of an interactive typeFUJITSU LTD·Filed 1995·Granted Mar 30, 1999·220 cites·83 claims
- 0692US9266374B1Decoloring apparatusTOSHIBA KK·Filed 2014·Granted Feb 23, 2016·5 cites·20 claims
- 0792US4520401ADigital video signal recording system and reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1983·Granted May 28, 1985·71 cites·22 claims
- 0891US9410050B2Compositions and methods to improve the setting properties and rub resistance of printing inksSUN CHEMICAL CORP·Filed 2015·Granted Aug 9, 2016·3 cites·34 claims
- 0991US4433347AApparatus for automatically reproducing signals in accordance with a mode of the recorded signalsVICTOR COMPANY OF JAPAN·Filed 1981·Granted Feb 21, 1984·42 cites·6 claims
- 1089US11624488B1Multi-section LED light bar with driverPUTCO INC·Filed 2022·Granted Apr 11, 2023·2 cites·20 claims
- 1189US9606469B2Image forming apparatus and charging bias adjusting method thereforIZUMI SAKI·Filed 2016·Granted Mar 28, 2017·6 cites·11 claims
- 1289US6663229B2Ink jet recording head having movable member and restricting section for restricting displacement of movable member, and method for manufacturing the sameCANON KK·Filed 2002·Granted Dec 16, 2003·30 cites·2 claims
- 1389US6431682B1Liquid discharge head, method of manufacturing the liquid discharge head, and liquid discharge recording apparatus using the liquid discharge headCANON KK·Filed 2000·Granted Aug 13, 2002·35 cites·17 claims
- 1489US5445076ACylinder throw apparatusKOMORI PRINTING MACH·Filed 1993·Granted Aug 29, 1995·34 cites·4 claims
- 1589US4660099ARotary recording medium having track turns recorded with digital signal and track turns recorded with analog signalVICTOR COMPANY OF JAPAN·Filed 1984·Granted Apr 21, 1987·33 cites·8 claims
- 1688US9860420B2Decoloring apparatusTOSHIBA KK·Filed 2016·Granted Jan 2, 2018·4 cites·10 claims
- 1788US7923647B2Portable deviceTOKAI RIKA CO LTD·Filed 2007·Granted Apr 12, 2011·11 cites·11 claims
- 1887US7867807B2Method for manufacturing photoelectric converting deviceHAMAMATSU PHOTONICS KK·Filed 2007·Granted Jan 11, 2011·10 cites·6 claims
- 1986US6240541B1Interactive circuit designing apparatus which displays a result of component placement and wire routing from a layout design unitFUJITSU LTD·Filed 1999·Granted May 29, 2001·126 cites·24 claims
- 2086US4613908ADigital video signal reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1983·Granted Sep 23, 1986·43 cites·16 claims
- 2185US8777220B2Sheet feeding device and sheet feeding methodOSHIRO TOSHIAKI·Filed 2012·Granted Jul 15, 2014·6 cites·15 claims
- 2285US8542261B2Method for color erasing process and color erasing deviceIGUCHI KEN·Filed 2012·Granted Sep 24, 2013·3 cites·20 claims
- 2385US4641204ARecording and reproducing system for recording both analogue and digital information on and from a discVICTOR COMPANY OF JAPAN·Filed 1984·Granted Feb 3, 1987·39 cites·6 claims
- 2484US8670012B2Erasing apparatus and erasing methodMIZUTANI KIKUO·Filed 2012·Granted Mar 11, 2014·4 cites·18 claims
- 2583US9208966B2SwitchTOSHIBA KK·Filed 2014·Granted Dec 8, 2015·5 cites·7 claims
- 2683US9025977B2Image forming apparatusSUGIYAMA HIROYUKI·Filed 2014·Granted May 5, 2015·3 cites·14 claims
- 2783US8849142B2Image forming deviceSUGIYAMA HIROYUKI·Filed 2012·Granted Sep 30, 2014·3 cites·15 claims
- 2883US8636282B2Sheet feed apparatus and sheet feed methodOSHIRO TOSHIAKI·Filed 2012·Granted Jan 28, 2014·4 cites·19 claims
- 2983US7906725B2Vacuum deviceHAMAMATSU PHOTONICS KK·Filed 2006·Granted Mar 15, 2011·6 cites·11 claims
- 3082US6447984B1Liquid discharge head, method of manufacture therefor and liquid discharge recording apparatusCANON KK·Filed 2000·Granted Sep 10, 2002·23 cites·55 claims
- 3182US5218907APlate exchange apparatus for printing pressKOMORI PRINTING MACH·Filed 1990·Granted Jun 15, 1993·32 cites·4 claims
- 3281US9516195B2Decoloring apparatusTOSHIBA KK·Filed 2016·Granted Dec 6, 2016·2 cites·20 claims
- 3381US8731417B2Image forming apparatus with temperature dependent control unitSHIORI JUN·Filed 2012·Granted May 20, 2014·3 cites·20 claims
- 3481US5588362ACylinder throw-on and throw-off mechanism for printing pressKOMORI PRINTING MACH·Filed 1995·Granted Dec 31, 1996·32 cites·9 claims
- 3581US4614979ADigital video signal reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1983·Granted Sep 30, 1986·31 cites·3 claims
- 3680US9115291B2Compositions and methods to improve the setting properties and rub resistance of printing inksBOLLARD JEROME·Filed 2011·Granted Aug 25, 2015·3 cites·36 claims
- 3780US5448744AIntegrated circuit microprocessor with programmable chip select logicMOTOROLA INC·Filed 1989·Granted Sep 5, 1995·69 cites·36 claims
- 3879US8733757B2Sheet processing apparatus, sheet conveying path opening method, and erasing apparatusOSHIRO TOSHIAKI·Filed 2012·Granted May 27, 2014·4 cites·17 claims
- 3979US7880385B2Photomultiplier including an electronic-multiplier section in a housingHAMAMATSU PHOTONICS KK·Filed 2006·Granted Feb 1, 2011·5 cites·4 claims
- 4079US7741759B2Electron tube and method for manufacturing electron tubeHAMAMATSU PHOTONICS KK·Filed 2006·Granted Jun 22, 2010·5 cites·4 claims
- 4179US6095640ALiquid discharge head, liquid discharge method, head cartridge and liquid discharge deviceCANON KK·Filed 1998·Granted Aug 1, 2000·32 cites·14 claims
- 4279US6072876AMethod and system for depositing private key used in RSA cryptosystemNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jun 6, 2000·127 cites·30 claims
- 4378US6578952B1Liquid discharging method, liquid discharge head and recording apparatus using liquid discharge headCANON KK·Filed 2000·Granted Jun 17, 2003·18 cites·33 claims
- 4478US5943074ALiquid discharge method and liquid discharge apparatusCANON KK·Filed 1997·Granted Aug 24, 1999·31 cites·63 claims
- 4578US4510531ARotary recording medium and reproducing apparatus thereofVICTOR COMPANY OF JAPAN·Filed 1982·Granted Apr 9, 1985·35 cites·6 claims
- 4677US8920963B2Portable deviceHIRANO TAKAYUKI·Filed 2011·Granted Dec 30, 2014·8 cites·12 claims
- 4777US8878884B2Erasing apparatus for sheet and erasing method for sheetKAWAGUCHI TAKAHIRO·Filed 2012·Granted Nov 4, 2014·2 cites·19 claims
- 4877US5406888AAutomatic plate replacing apparatus for printing pressKOMORI PRINTING MACH·Filed 1993·Granted Apr 18, 1995·37 cites·7 claims
- 4977US4573092ARotary recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1982·Granted Feb 25, 1986·20 cites·5 claims
- 5076US6745467B1Method of producing a liquid discharge headCANON KK·Filed 2000·Granted Jun 8, 2004·17 cites·9 claims
Showing the top 50 of 240 patent records by PatentIndex Score.
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