Inventor · disambiguated record
Masashi Sakamoto
Also filed as: SAKAMOTO MASASHI
45 granted patents·10 pending applications·514 citations·filing 1987–2019
98Inventor score
Files withHITACHI HIGH TECH CORP10MINOLTA CAMERA KK8NIPPON STEEL & SUMITOMO METAL CORP5ASAHI CHEMICAL IND3NGK SPARK PLUG CO3
Top patents by PatentIndex Score
55 records- 0197US5587769AImage forming apparatus allowing simple replacement of intermediate transfer member and easy maintenance and handling of paper jamsMINOLTA CO LTD·Filed 1995·Granted Dec 24, 1996·101 cites·8 claims
- 0292US5049309ATitania solISHIHARA MINING & CHEMICAL CO·Filed 1987·Granted Sep 17, 1991·46 cites·6 claims
- 0389US4922294AImage forming apparatusMINOLTA CAMERA KK·Filed 1988·Granted May 1, 1990·34 cites·6 claims
- 0488US4880703AAcicular electroconductive titanium oxide and process for producing sameISHIHARA MINING & CHEMICAL CO·Filed 1987·Granted Nov 14, 1989·52 cites·1 claims
- 0586US7075077B2Method of observing a specimen using a scanning electron microscopeHITACHI HIGH TECH CORP·Filed 2004·Granted Jul 11, 2006·23 cites·7 claims
- 0684US7569116B2Co-Cr-Mo-based alloy and production method thereforNHK SPRING CO LTD·Filed 2006·Granted Aug 4, 2009·4 cites·4 claims
- 0783US7307254B2Scanning electron microscopeHITACHI HIGH TECH CORP·Filed 2005·Granted Dec 11, 2007·7 cites·8 claims
- 0882US8845826B2Lead-free solder for vehicles and a vehicle-mounted electronic circuit using the solderKAWAMATA YUJI·Filed 2008·Granted Sep 30, 2014·11 cites·11 claims
- 0979US9922414B2Defect inspection method and defect inspection deviceHITACHI HIGH TECH CORP·Filed 2014·Granted Mar 20, 2018·4 cites·30 claims
- 1079US5849073APigment for sensing gas leakage and process for producing the sameISHIHARA SANGYO KAISHA·Filed 1998·Granted Dec 15, 1998·38 cites·19 claims
- 1178US7504627B2Electron beam inspection apparatusHITACHI HIGH TECH CORP·Filed 2007·Granted Mar 17, 2009·4 cites·10 claims
- 1277US7256400B2Electron beam inspection apparatusHITACHI HIGH TECH CORP·Filed 2005·Granted Aug 14, 2007·4 cites·12 claims
- 1376US5802427AImage forming apparatus having means to disable a drive force when an apparatus cover is openedMINOLTA CO LTD·Filed 1996·Granted Sep 1, 1998·21 cites·21 claims
- 1475US7847249B2Charged particle beam apparatusHITACHI HIGH TECH CORP·Filed 2008·Granted Dec 7, 2010·4 cites·18 claims
- 1575US5039714ARubber-modified polystyrene resin compositionASAHI CHEMICAL IND·Filed 1989·Granted Aug 13, 1991·23 cites·12 claims
- 1672US7910500B2Fiber treatment agent, fiber treated with such fiber treatment agent, fiber fabric, laminate and method for treating fiberIDEMITSU TECHNOFINE CO LTD·Filed 2006·Granted Mar 22, 2011·1 cites·12 claims
- 1772US5395870AVinyl resin compositionASAHI CHEMICAL IND·Filed 1993·Granted Mar 7, 1995·24 cites·17 claims
- 1869US4882605AElectrophotographic copying machineMINOLTA CAMERA KK·Filed 1988·Granted Nov 21, 1989·15 cites·4 claims
- 1968US7082810B2Gas sensorNGK SPARK PLUG CO·Filed 2003·Granted Aug 1, 2006·9 cites·28 claims
- 2067US7307253B2Scanning electron microscopeHITACHI HIGH TECH CORP·Filed 2005·Granted Dec 11, 2007·1 cites·10 claims
- 2166US12221664B2Apparatus for manufacturing thin steel sheet and method for manufacturing thin steel sheetNIPPON STEEL CORP·Filed 2019·Granted Feb 11, 2025·0 cites·12 claims
- 2266US7607975B2Bet control method for race gameSEGA CORP·Filed 2002·Granted Oct 27, 2009·22 cites·8 claims
- 2365US8121393B2Pattern defect analysis equipment, pattern defect analysis method and pattern defect analysis programSATOU NORIO·Filed 2009·Granted Feb 21, 2012·4 cites·9 claims
- 2462US10318805B2Pattern matching method and apparatusHITACHI HIGH TECH CORP·Filed 2013·Granted Jun 11, 2019·1 cites·9 claims
- 2562US8888932B2Indium-containing lead-free solder for vehicle-mounted electronic circuitsKAWAMATA YUJI·Filed 2008·Granted Nov 18, 2014·2 cites·10 claims
- 2659US5329339ALaser beam printer capable of forming line images having stable image widthMINOLTA CAMERA KK·Filed 1992·Granted Jul 12, 1994·12 cites·2 claims
- 2759US5289233ARemovably mountable image forming unit held together by thermally shrinkable filmMINOLTA CAMERA KK·Filed 1992·Granted Feb 22, 1994·11 cites·23 claims
- 2858US12365971B2Hot-rolled wire rodNIPPON STEEL CORP·Filed 2019·Granted Jul 22, 2025·0 cites·5 claims
- 2958US11358213B2Device for controlling flow in mold and method for controlling flow in mold in thin-slab castingNIPPON STEEL CORP·Filed 2019·Granted Jun 14, 2022·0 cites·10 claims
- 3058US8280148B2Pattern defect analysis equipment, pattern defect analysis method and pattern defect analysis programSATOU NORIO·Filed 2012·Granted Oct 2, 2012·1 cites·9 claims
- 3157US4937627AImage forming apparatus having toner replenishing device interchangeable with a developing unitMINOLTA CAMERA KK·Filed 1989·Granted Jun 26, 1990·10 cites·14 claims
- 3256US7080543B2Sensor and method for manufacturing the sameNGK SPARK PLUG CO·Filed 2003·Granted Jul 25, 2006·1 cites·13 claims
- 3355US10246757B2Bearing partNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Apr 2, 2019·0 cites·4 claims
- 3451US10987730B2Continuous casting apparatus and continuous casting method for multilayered slabNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Apr 27, 2021·0 cites·20 claims
- 3551US5198841AElectric printerMINOLTA CAMERA KK·Filed 1990·Granted Mar 30, 1993·8 cites·12 claims
- 3650US10329646B2Steel wire for drawingNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Jun 25, 2019·0 cites·2 claims
- 3750US2005208903A1Mobile phone and vibration control method of mobile phoneTOSHIBA KK·Filed 2004·Application pending·0 cites
- 3848US5260743AElectrophotographic apparatus including an attachment device for enabling the apparatus to perform additional functionsMINOLTA CAMERA KK·Filed 1992·Granted Nov 9, 1993·7 cites·9 claims
- 3948US2009030867A1Reviewing apparatus, recipe setting method for reviewing apparatus and reviewing systemHITACHI HIGH TECH CORP·Filed 2008·Application pending·0 cites
- 4047US2009176423A1Fiber-treating liquid, modified cloth, and process for producing the sameSANO MASAHIRO·Filed 2005·Application pending·0 cites
- 4146US9842723B2Defect observation system and defect observation methodHITACHI HIGH TECH CORP·Filed 2013·Granted Dec 12, 2017·0 cites·9 claims
- 4245US10287660B2Steel wire rod for bearings having excellent drawability and coil formability after drawingNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted May 14, 2019·0 cites·4 claims
- 4345US7857916B2Co-Cr-Mo alloy fine wire, manufacturing method therefor, and planar body, tubular body, stranded wire and cable formed of wireNHK SPRING CO LTD·Filed 2004·Granted Dec 28, 2010·0 cites·14 claims
- 4445US6892566B2Gas concentration sensorNGK SPARK PLUG CO·Filed 2003·Granted May 17, 2005·0 cites·25 claims
- 4545US2012318410A1Strand for saw wire and manufacturing method thereofTARUI TOSHIMI·Filed 2011·Application pending·0 cites
- 4645US2007219783A1Bilingual dictionary creating apparatus, bilingual dictionary creating method and computer programOKI ELECTRIC IND CO LTD·Filed 2007·Application pending·0 cites
- 4744US9169530B2Rolled wire rod and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Oct 27, 2015·0 cites·13 claims
- 4844US7625519B2Method for manufacturing biomedical porous articleKOBAYASHI PHARMA·Filed 2005·Granted Dec 1, 2009·0 cites·8 claims
- 4943US2008103225A1Manufacturing method of resin composite particle, resin composite particle, manufacturing method of fiber treating agent and fiber treating agentSAKAMOTO MASASHI·Filed 2007·Application pending·0 cites
- 5042US5028957AImage forming apparatus with an image reading functionMINOLTA CAMERA KK·Filed 1989·Granted Jul 2, 1991·6 cites·21 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masashi Sakamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →