Inventor · disambiguated record
Masashi Arai
Also filed as: ARAI MASASHI
28 granted patents·9 pending applications·207 citations·filing 1986–2025
96Inventor score
Files withSANYO ELECTRIC CO12HITACHI METALS LTD8ARAI MASASHI3DAIKIN IND LTD3MURATA MANUFACTURING CO3
Top patents by PatentIndex Score
37 records- 0196US11437692B2Coaxial cable and cable assemblyHITACHI METALS LTD·Filed 2021·Granted Sep 6, 2022·4 cites·5 claims
- 0293US12368221B2Dielectric filterMURATA MANUFACTURING CO·Filed 2023·Granted Jul 22, 2025·2 cites·20 claims
- 0385US8563214B2Radiation sensitive resin composition and method of forming an interlayer insulating filmKIKUCHI KATSUHIRO·Filed 2010·Granted Oct 22, 2013·7 cites·12 claims
- 0480US8110097B2Circulating water washing system toiletARAI MASASHI·Filed 2009·Granted Feb 7, 2012·8 cites·15 claims
- 0575US11655587B2Medical hollow tubeHITACHI METALS LTD·Filed 2021·Granted May 23, 2023·0 cites·8 claims
- 0674US5030923AVariable gain amplifierSANYO ELECTRIC CO·Filed 1989·Granted Jul 9, 1991·25 cites·5 claims
- 0772US6252252B1Optical semiconductor device and optical semiconductor module equipped with the sameSANYO ELECTRIC CO·Filed 1999·Granted Jun 26, 2001·47 cites·14 claims
- 0871US2023192984A1Fluorine rubber composition and crosslinked fluorine rubber productDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 0967US9452958B2Process for producing fluorine-containing olefinDAIKIN IND LTD·Filed 2013·Granted Sep 27, 2016·1 cites·13 claims
- 1067US8000182B2Integrated circuit for optical discSANYO ELECTRIC CO·Filed 2007·Granted Aug 16, 2011·1 cites·2 claims
- 1165US2025286527A1Dielectric filterMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 1262US8890002B2Resin multilayer substrate and method for manufacturing the resin multilayer substrateARAI MASASHI·Filed 2012·Granted Nov 18, 2014·3 cites·6 claims
- 1362US2020392304A1Fluorine rubber composition and crosslinked fluorine rubber productDAIKIN IND LTD·Filed 2019·Application pending·0 cites
- 1461US11955256B2Signal transmission cableHITACHI METALS LTD·Filed 2022·Granted Apr 9, 2024·0 cites·6 claims
- 1561US11286615B2Cable and medical hollow tubeHITACHI METALS LTD·Filed 2019·Granted Mar 29, 2022·0 cites·12 claims
- 1657US9349499B2Insulated wire, and coil and motor formed using the insulated wireHITACHI METALS LTD·Filed 2014·Granted May 24, 2016·0 cites·20 claims
- 1754US12407075B2Dielectric filterMURATA MANUFACTURING CO·Filed 2023·Granted Sep 2, 2025·0 cites·5 claims
- 1854US4870684APLL circuit for generating output signal synchronized with input signal by switching frequency dividing ratioSANYO ELECTRIC CO·Filed 1988·Granted Sep 26, 1989·12 cites·9 claims
- 1951US11631507B2Coaxial cable, coaxial cable producing method, and cable assemblyHITACHI METALS LTD·Filed 2020·Granted Apr 18, 2023·0 cites·15 claims
- 2050US5553775AAir conditioner system for vehicleNISSAN MOTOR·Filed 1994·Granted Sep 10, 1996·20 cites·2 claims
- 2150US5473618ASemiconductor integrated circuit having a built-in test circuitNEC CORP·Filed 1993·Granted Dec 5, 1995·18 cites·4 claims
- 2250US2014065418A1Insulated wire and coil using the sameHITACHI METALS LTD·Filed 2013·Application pending·0 cites
- 2349US5944256AAir conditioner for vehicleNISSAN MOTOR·Filed 1996·Granted Aug 31, 1999·15 cites·21 claims
- 2449US5610887AError correcting apparatus with error corecting signal holding functionSANYO ELECTRIC CO·Filed 1994·Granted Mar 11, 1997·7 cites·8 claims
- 2548US2014014928A1Organic el element, radiation-sensitive resin composition, and cured filmJSR CORP·Filed 2013·Application pending·0 cites
- 2647US2016036283A1Coil for low-voltage inverter drive motorHITACHI METALS LTD·Filed 2014·Application pending·0 cites
- 2739US4852167AFMX stereophonic receiverSANYO ELECTRIC CO·Filed 1988·Granted Jul 25, 1989·5 cites·8 claims
- 2838US6037823AOffset correction circuitSANYO ELECTRIC CO·Filed 1998·Granted Mar 14, 2000·9 cites·4 claims
- 2938US2009269683A1Radiation-sensitive resin composition and color filtersJSR CORP·Filed 2006·Application pending·0 cites
- 3038US2012236508A1Electronic-component embedded resin substrate and electronic circuit moduleARAI MASASHI·Filed 2012·Application pending·0 cites
- 3135US4809328AFM/FMX stereophonic receiverSANYO ELECTRIC CO·Filed 1988·Granted Feb 28, 1989·6 cites·14 claims
- 3234US5564493AAutomotive air conditioning deviceNISSAN MOTOR·Filed 1994·Granted Oct 15, 1996·9 cites·8 claims
- 3334US2005118972A1RF circuit for disc playing apparatusSANYO ELECTRIC CO·Filed 2004·Application pending·0 cites
- 3433US4864637AFMX stereophonic broadcast receiverSANYO ELECTRIC CO·Filed 1988·Granted Sep 5, 1989·4 cites·2 claims
- 3533US4707856AAM stereo receiverSANYO ELECTRIC CO·Filed 1986·Granted Nov 17, 1987·3 cites·9 claims
- 3631US8427917B2Optical pickup apparatus, integrated circuit, and method for controlling laser output of optical pickup apparatusUCHIYAMA HISAYOSHI·Filed 2012·Granted Apr 23, 2013·0 cites·3 claims
- 3729US4757539AApparatus and method for decoding an AM stereo broadcasting signal of an independent sideband systemSANYO ELECTRIC CO·Filed 1986·Granted Jul 12, 1988·1 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Masashi Arai 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 →