Inventor · disambiguated record
Toru Arai
Also filed as: ARAI TORU
66 granted patents·14 pending applications·1,271 citations·filing 1986–2024
99Inventor score
Files withDENKA COMPANY LTD23DENKI KAGAKU KOGYO KK21SANSHA ELECTRIC MFG CO LTD14NEC CORP5TOKYO PARTS KOGYO KK4
Top patents by PatentIndex Score
80 records- 0195US9322725B2Pedaling force measurement deviceSHIMANO KK·Filed 2013·Granted Apr 26, 2016·23 cites·23 claims
- 0295USD386148SPortable power supply unit with AC-DC converterSANSAHA ELECTRIC MFG CO LTD·Filed 1996·Granted Nov 11, 1997·73 cites·1 claims
- 0390US5831240APower supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 1995·Granted Nov 3, 1998·76 cites·13 claims
- 0489US11472955B2Resin composition and biological modelDENKA COMPANY LTD·Filed 2018·Granted Oct 18, 2022·2 cites·7 claims
- 0589USD377335SPortable power supply unit with AC-DC converterSANSHA ELECTRIC MFG COMPANY LIMITED·Filed 1995·Granted Jan 14, 1997·33 cites·1 claims
- 0688US6559234B1Cross-copolymerized olefin/styrene/diene copolymer, process for the production of the same and uses thereofDENKI KAGAKU KOGYO KK·Filed 1999·Granted May 6, 2003·61 cites·86 claims
- 0787US6069811ADC power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 1998·Granted May 30, 2000·69 cites·8 claims
- 0887US2024400808A1Copolymer and laminate containing sameDENKA COMPANY LTD·Filed 2024·Application pending·0 cites
- 0986US2024400807A1Curable composition and cured product thereofDENKA COMPANY LTD·Filed 2024·Application pending·0 cites
- 1085US10836897B2Resin composition for organ modelsDENKA COMPANY LTD·Filed 2016·Granted Nov 17, 2020·2 cites·7 claims
- 1185US7214745B2Process for producing polymerDENKI KAGAKU KOGYO KK·Filed 2002·Granted May 8, 2007·32 cites·15 claims
- 1284US12359049B2Composition and cured product thereofDENKA COMPANY LTD·Filed 2021·Granted Jul 15, 2025·1 cites·18 claims
- 1384US11208741B2Method for producing carbon nanofiber composite and carbon nanofiber compositeDENKA COMPANY LTD·Filed 2016·Granted Dec 28, 2021·1 cites·11 claims
- 1484US6566453B1Cross-copolymerized olefin/aromatic vinyl/diene copolymer and process for producing the sameDENKI KAGAKU KOGYO KK·Filed 2000·Granted May 20, 2003·22 cites·78 claims
- 1583US6169710B1Optical disc recording/reproducing method and apparatusNEC CORP·Filed 1999·Granted Jan 2, 2001·40 cites·11 claims
- 1682US6499627B2Automatic vending machineSANDEN CORP·Filed 2001·Granted Dec 31, 2002·71 cites·17 claims
- 1782US6248850B1Film and stretch packaging filmDENKI KAGAKU KOGYO KK·Filed 1998·Granted Jun 19, 2001·35 cites·16 claims
- 1882US6066709AEthylene-aromatic vinyl compound copolymer and method for its productionDENKI KAGAKU KOGYO KK·Filed 1998·Granted May 23, 2000·28 cites·29 claims
- 1982US5930122AInverter and DC power supply apparatus with inverter used thereinSANSHA ELECTRIC MFG CO LTD·Filed 1998·Granted Jul 27, 1999·71 cites·6 claims
- 2081US5926381ADC power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 1998·Granted Jul 20, 1999·67 cites·5 claims
- 2181US5883213AEthylene-aromatic vinyl compound copolymer and method for its productionDENKI KAGAKU KOGYO KK·Filed 1997·Granted Mar 16, 1999·48 cites·12 claims
- 2279US12188159B2Method for producing carbon nanofiber composite and carbon nanofiber compositeDENKA COMPANY LTD·Filed 2021·Granted Jan 7, 2025·0 cites·9 claims
- 2379US10458868B2Bicycle crank arm assemblySHIMANO KK·Filed 2016·Granted Oct 29, 2019·3 cites·35 claims
- 2479US6891004B2Transition metal catalyst component for polymerization, and method for producing a polymer by means thereofDENKI KAGAKU KOGYO KK·Filed 2002·Granted May 10, 2005·17 cites·37 claims
- 2579US6384498B1Compact vibration motorTOKYO PARTS KOGYO KK·Filed 2000·Granted May 7, 2002·24 cites·4 claims
- 2679US6348556B1Ethylene-aromatic vinyl compound copolymer and method for its productionDENKI KAGAKU KOGYO KK·Filed 2000·Granted Feb 19, 2002·12 cites·11 claims
- 2778US6472490B1Ethylene-aromatic vinyl compound copolymer and method for its productionDENKI KAGAKU KOGYO KK·Filed 2000·Granted Oct 29, 2002·11 cites·44 claims
- 2877US6762518B1Flat core brushless motorTOKYO PARTS KOGYO KK·Filed 2000·Granted Jul 13, 2004·22 cites·3 claims
- 2977US6625096B1Optical disk recording and reproduction method and apparatus as well as medium on which optical disk recording and reproduction program is recordedNEC CORP·Filed 2000·Granted Sep 23, 2003·12 cites·9 claims
- 3075US8722831B2Process for production of cross copolymers, cross copolymers obtained by the process, and use thereofARAI TORU·Filed 2007·Granted May 13, 2014·4 cites·24 claims
- 3175US6122235AMethod of reading data out of a disk with reducing the number of retriesNEC CORP·Filed 1998·Granted Sep 19, 2000·26 cites·7 claims
- 3274US12104047B2Curable composition and cured product thereofDENKA COMPANY LTD·Filed 2020·Granted Oct 1, 2024·0 cites·15 claims
- 3374US12091531B2Copolymer and laminate containing sameDENKA COMPANY LTD·Filed 2020·Granted Sep 17, 2024·0 cites·16 claims
- 3473US9738993B2Production method for carbon nanofibers, and carbon nanofibersDENKA COMPANY LTD·Filed 2015·Granted Aug 22, 2017·4 cites·6 claims
- 3573US6359364B1Brush apparatus of small motor and method for manufacturing the sameTOKYO PARTS KOGYO KK·Filed 2000·Granted Mar 19, 2002·18 cites·16 claims
- 3672US6417308B2Film and stretch packaging filmDENKI KAGAKU KOGYO KK·Filed 2001·Granted Jul 9, 2002·24 cites·24 claims
- 3770US6666960B2Electroplating current supply systemSANSHA ELECTRIC MFG CO LTD·Filed 2002·Granted Dec 23, 2003·7 cites·9 claims
- 3870US2025084195A1Copolymer, composition, varnish, and cured products of theseDENKA COMPANY LTD·Filed 2023·Application pending·0 cites
- 3969US6507004B2DC power supply apparatus for arc-utilizing apparatusesSANSHA ELECTRIC MFG CO LTD·Filed 2001·Granted Jan 14, 2003·13 cites·6 claims
- 4069US5077247ADielectric ceramic for microwave applicationsOKI ELECTRIC IND CO LTD·Filed 1990·Granted Dec 31, 1991·27 cites·14 claims
- 4168US6235855B1Transition metal compound as catalyst component in method for producing aromatic vinyl compound polymer or aromatic vinyl compound-olefin copolymer having stereoregularityDENKI KAGAKU KOGYO KK·Filed 1998·Granted May 22, 2001·23 cites·11 claims
- 4267US8461264B2Thermoplastic resin compositionARAI TORU·Filed 2009·Granted Jun 11, 2013·2 cites·11 claims
- 4366US7022794B2Process for producing olefin/aromatic vinyl copolymerDENKI KAGAKU KOGYO KK·Filed 2002·Granted Apr 4, 2006·7 cites·32 claims
- 4466US6630215B1Medical DeviceDENKI KAGAKU KOGYO KK·Filed 1999·Granted Oct 7, 2003·25 cites·8 claims
- 4566US6410649B1Resin compositionDENKI KAGAKU KOGYO KK·Filed 1999·Granted Jun 25, 2002·22 cites·17 claims
- 4665US7486593B2Method of writing into unwritten region of optical disc, optical disc writing device, optical disc, and program for writing data on optical discNEC CORP·Filed 2004·Granted Feb 3, 2009·4 cites·16 claims
- 4765US6410673B1Ethylene/aromatic vinyl copolymer and molded product thereofDENKI KAGAKU KOGYO KK·Filed 1999·Granted Jun 25, 2002·24 cites·21 claims
- 4865US6011333AVibrator motor having nonmagnetic armature coresTOKYO PARTS KOGYO KK·Filed 1999·Granted Jan 4, 2000·28 cites·14 claims
- 4965US2019330402A1Cross-copolymer and method for producing sameDENKA COMPANY LTD·Filed 2019·Application pending·0 cites
- 5064US6483687B2Power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2001·Granted Nov 19, 2002·11 cites·4 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →