Inventor · disambiguated record
Yoshihiko Sugiyama
Also filed as: SUGIYAMA YOSHIHIKO
26 granted patents·3 pending applications·323 citations·filing 1980–2014
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD16TOSHIBA KK5SUMITOMO LIGHT METAL IND3SUGIYAMA YOSHIHIKO2KYODO SANSO1
Top patents by PatentIndex Score
29 records- 0190USD316706SPortable laptop computerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 7, 1991·29 cites·1 claims
- 0286USD298945SHand held computerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Dec 13, 1988·26 cites·1 claims
- 0385USD308361SOptical memory disk driveMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jun 5, 1990·23 cites·1 claims
- 0479USD304181SScanner for computerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Oct 24, 1989·18 cites·1 claims
- 0578USD292405SCombined printer and memory capacity expander for a computerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Oct 20, 1987·21 cites·1 claims
- 0676USD357239SOptical disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 11, 1995·17 cites·1 claims
- 0775US4673551AFin stock material for use in plate fin heat exchanger adapted for superhigh pressure serviceSUMITOMO LIGHT METAL IND·Filed 1985·Granted Jun 16, 1987·22 cites·4 claims
- 0872US8630561B2Image forming apparatus, charging apparatus and cleaning method of charging apparatusSUGIYAMA YOSHIHIKO·Filed 2011·Granted Jan 14, 2014·2 cites·17 claims
- 0968USD304451SKey board for a computerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Nov 7, 1989·12 cites·1 claims
- 1065USD359039SOptical disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jun 6, 1995·11 cites·1 claims
- 1165USD266253SPhotocopying machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Sep 21, 1982·10 cites·1 claims
- 1262USD277170SCombined time recorder and data collection systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Jan 15, 1985·8 cites·1 claims
- 1362USD266254SPhotocopying machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Sep 21, 1982·9 cites·1 claims
- 1459US4574878APlate fin heat exchanger for superhigh pressure serviceSUMITOMO LIGHT METAL IND·Filed 1983·Granted Mar 11, 1986·19 cites·13 claims
- 1558US9329536B1Image forming apparatus with built-in cleaning mechanismTOSHIBA KK·Filed 2014·Granted May 3, 2016·0 cites·10 claims
- 1656USD316084SArithmetic processor for use in electronic computersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Apr 9, 1991·7 cites·1 claims
- 1756US4949895AProcess of fixing internally titanium-lined doubled-walled tubing structure to titanium tube sheetSUMITOMO LIGHT METAL IND·Filed 1985·Granted Aug 21, 1990·26 cites·21 claims
- 1848USD304327SMicroprocessorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Oct 31, 1989·5 cites·1 claims
- 1945US2016132016A1Image forming apparatus and lubricating method for the sameTOSHIBA KK·Filed 2014·Application pending·0 cites
- 2044US5187525AImage forming apparatus including a device for simultaneous developing/cleaning and having distribution brushTOSHIBA KK·Filed 1990·Granted Feb 16, 1993·7 cites·12 claims
- 2142US5256856AWelding method for aluminum alloysKYODO SANSO·Filed 1992·Granted Oct 26, 1993·10 cites·8 claims
- 2241USD342725SComputerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Dec 28, 1993·3 cites·1 claims
- 2341USD317758SArithmetic processor for use in electronic computersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jun 25, 1991·3 cites·1 claims
- 2440US8270868B2Image forming apparatus and cleaning mechanismSUGIYAMA YOSHIHIKO·Filed 2010·Granted Sep 18, 2012·0 cites·16 claims
- 2540US4945899AMethod of and apparatus for artificial respiration in synchronism with voluntary breathing of a patientNIHON KOHDEN CORP·Filed 1988·Granted Aug 7, 1990·28 cites·1 claims
- 2638US2011243625A1Image forming apparatus, cleaning apparatus, and cleaning methodTOSHIBA KK·Filed 2011·Application pending·0 cites
- 2735US2010209158A1Image forming apparatus and cleaning mechanismTOSHIBA KK·Filed 2010·Application pending·0 cites
- 2834US6273476B1Flexible expansion jointVICTAULIC COMPANY OF JAPAN LTD·Filed 1997·Granted Aug 14, 2001·7 cites·4 claims
- 2930USD351592SComputerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 18, 1994·0 cites·1 claims
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