Inventor · disambiguated record
Masayuki Arakawa
Also filed as: ARAKAWA MASAYUKI
36 granted patents·11 pending applications·620 citations·filing 1987–2023
97Inventor score
Top patents by PatentIndex Score
47 records- 0195US6528870B2Semiconductor device having a plurality of stacked wiring boardsTOSHIBA KK·Filed 2001·Granted Mar 4, 2003·179 cites·9 claims
- 0289US4853226ASustained-release particulate preparation and process for preparing the sameCHUGAI PHARMACEUTICAL CO LTD·Filed 1987·Granted Aug 1, 1989·109 cites·5 claims
- 0381US7090603B2Rear derailleur with a shock absorber disposed between a base member and a mounting memberSHIMANO KK·Filed 2003·Granted Aug 15, 2006·27 cites·28 claims
- 0479US7278199B2Method of making a thermoelectric deviceTOSHIBA KK·Filed 2006·Granted Oct 9, 2007·8 cites·9 claims
- 0579USD532342SBicycle crankSHIMANO KK·Filed 2005·Granted Nov 21, 2006·25 cites·1 claims
- 0679US6679578B2Ink-jet recording apparatusBROTHER IND LTD·Filed 2002·Granted Jan 20, 2004·20 cites·25 claims
- 0776US7166048B2Bicycle derailleur with protective supportSHIMANO KK·Filed 2003·Granted Jan 23, 2007·24 cites·39 claims
- 0876US4858064AThick-film high frequency signal circuit apparatus with feedthrough capacitorTOSHIBA KK·Filed 1988·Granted Aug 15, 1989·47 cites·24 claims
- 0974US10537871B2System for producing polyolefin, method of producing polyolefin, and method of producing heterophasic propylene polymer materialSUMITOMO CHEMICAL CO·Filed 2017·Granted Jan 21, 2020·1 cites·3 claims
- 1073US7024865B2Thermoelectric deviceTOSHIBA KK·Filed 2004·Granted Apr 11, 2006·12 cites·20 claims
- 1171US7198351B2Ink jet recording apparatusBROTHER IND LTD·Filed 2003·Granted Apr 3, 2007·13 cites·17 claims
- 1270US5058401AWashing, dehydrating and drying machineBROTHER IND LTD·Filed 1989·Granted Oct 22, 1991·28 cites·25 claims
- 1366US6472734B2Stacked semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2001·Granted Oct 29, 2002·13 cites·10 claims
- 1466US5000015AWashing and dehydrating machineBROTHER IND LTD·Filed 1989·Granted Mar 19, 1991·25 cites·16 claims
- 1565US6222608B1Image forming device for forming image on roll of photosensitive/pressure-sensitive recording mediumBROTHER IND LTD·Filed 1999·Granted Apr 24, 2001·4 cites·14 claims
- 1663USD551131SRear derailleurSHIMANO KK·Filed 2006·Granted Sep 18, 2007·13 cites·1 claims
- 1763USD534102SBicycle derailleurSHIMANO KK·Filed 2005·Granted Dec 26, 2006·13 cites·1 claims
- 1858USD989831SApparatus for evaluating semiconductor substrateHITACHI HIGH TECH CORP·Filed 2021·Granted Jun 20, 2023·2 cites·1 claims
- 1957US11261268B2Method for producing heterophasic propylene polymerization material particlesSUMITOMO CHEMICAL CO·Filed 2020·Granted Mar 1, 2022·0 cites·6 claims
- 2057USD534103SRear derailleurSHIMANO KK·Filed 2005·Granted Dec 26, 2006·10 cites·1 claims
- 2156US6861675B2Optically coupled semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2003·Granted Mar 1, 2005·8 cites·9 claims
- 2256US2025387051A1Oxygen saturation measuring device and oxygen saturation measuring methodOMRON TATEISI ELECTRONICS CO·Filed 2023·Application pending·0 cites
- 2355USD1084340SRadiation therapy deviceHITACHI HIGH TECH CORP·Filed 2023·Granted Jul 15, 2025·1 cites·1 claims
- 2454USD561075SBicycle shifterSHIMANO KK·Filed 2006·Granted Feb 5, 2008·9 cites·1 claims
- 2553US12019019B2Light source device and range sensor provided with the sameOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Jun 25, 2024·0 cites·27 claims
- 2653US5029032AMagnetic head for high density recordingTDK CORP·Filed 1989·Granted Jul 2, 1991·10 cites·15 claims
- 2750USD561076SBicycle shifterSHIMANO KK·Filed 2007·Granted Feb 5, 2008·7 cites·1 claims
- 2850US2007256427A1Thermoelectric deviceTOSHIBA KK·Filed 2007·Application pending·0 cites
- 2948USD989144SApparatus for evaluating semiconductor substrateHITACHI HIGH TECH CORP·Filed 2021·Granted Jun 13, 2023·1 cites·1 claims
- 3046US2010101619A1Thermoelectric device and method of manufacturing the sameTOSHIBA KK·Filed 2010·Application pending·0 cites
- 3146US2007028955A1Thermoelectric device and method of manufacturing the sameTOSHIBA KK·Filed 2006·Application pending·0 cites
- 3245US10815315B2Method for producing polyolefinSUMITOMO CHEMICAL CO·Filed 2018·Granted Oct 27, 2020·0 cites·5 claims
- 3344US2008163916A1Thermoelectric conversion module and thermoelectric conversion apparatusTOSHIBA KK·Filed 2007·Application pending·0 cites
- 3442US5521779ARotary magnetic head apparatus which includes a device for electrically connecting a circuit board, a rotor, and magnetic headsTOSHIBA KK·Filed 1995·Granted May 28, 1996·5 cites·2 claims
- 3541USD1079014SPatient tableHITACHI HIGH TECH CORP·Filed 2023·Granted Jun 10, 2025·0 cites·1 claims
- 3641US2021270844A1Method for analyzing expression of smn protein nuclear bodyUNIV TOKYO WOMENS MEDICAL·Filed 2017·Application pending·0 cites
- 3740USD527315SBicycle crank arm portionSHIMANO KK·Filed 2005·Granted Aug 29, 2006·4 cites·1 claims
- 3840US2006042675A1Thermoelectric device and method of manufacturing the sameTOSHIBA KK·Filed 2005·Application pending·0 cites
- 3940US2006042676A1Thermoelectric device and method of manufacturing the sameTOSHIBA KK·Filed 2005·Application pending·0 cites
- 4039US10815319B2Method for producing heterophasic propylene polymer materialSUMITOMO CHEMICAL CO·Filed 2017·Granted Oct 27, 2020·0 cites·3 claims
- 4139US2005211288A1Thermoelectric deviceTOSHIBA KK·Filed 2005·Application pending·0 cites
- 4239US2005014835A1Agents for Treating Diseases Caused by Nonsense MutationsFiled 2002·Application pending·0 cites
- 4335US7303270B2Ink-jet headBROTHER IND LTD·Filed 2004·Granted Dec 4, 2007·0 cites·6 claims
- 4434USD579825SBicycle chain ring coverSHIMANO KK·Filed 2007·Granted Nov 4, 2008·2 cites·1 claims
- 4533USD1083881SController for medical equipmentHITACHI HIGH TECH CORP·Filed 2023·Granted Jul 15, 2025·0 cites·1 claims
- 4633US2017115297A1Method for Detecting SMN Protein ExpressionTOKYO WOMEN'S MEDICAL UNIV·Filed 2015·Application pending·0 cites
- 4730USD989830SSemiconductor substrate transfer apparatusHITACHI HIGH TECH CORP·Filed 2021·Granted Jun 20, 2023·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →