Inventor · disambiguated record
Eiji Ando
Also filed as: ANDO EIJI · TAKESHITA ISAO · TANAKA HIROYOSHI
33 granted patents·1 pending application·370 citations·filing 1974–2015
97Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD16MITSUBISHI ELECTRIC CORP6AGENCY IND SCIENCE TECHN4KIGAWA HIROSHI3UEDA TAKAHARU3
Top patents by PatentIndex Score
34 records- 0189US8261886B2Safety device for elevator and rope slip detection methodKIGAWA HIROSHI·Filed 2012·Granted Sep 11, 2012·11 cites·1 claims
- 0286US4737427AOptical high density recording mediums, method for making same and method for recording optical information in the mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Apr 12, 1988·29 cites·19 claims
- 0386US4178989ASolar heating and cooling systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Dec 18, 1979·47 cites·5 claims
- 0485US4845021AMethod for recording optical information in optical high density recording mediumsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jul 4, 1989·28 cites·6 claims
- 0582US8297413B2Safety device for elevator and rope slip detection method using drive sheave accelerationKIGAWA HIROSHI·Filed 2007·Granted Oct 30, 2012·11 cites·1 claims
- 0682US5155230APhotochromic dinitrated spiropyransMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Oct 13, 1992·12 cites·1 claims
- 0780US8177035B2Elevator system which controls a value of overspeedUEDA TAKAHARU·Filed 2011·Granted May 15, 2012·5 cites·10 claims
- 0878US4794068AOptical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Dec 27, 1988·23 cites·2 claims
- 0977US9018332B2Polyorganosiloxane containing methacryloxy group or acryloxy group and method for producing the sameOKAWA TADASHI·Filed 2009·Granted Apr 28, 2015·3 cites·4 claims
- 1077US4845240AOptical recording medium and process for producing the sameAGENCY IND SCIENCE TECHN·Filed 1988·Granted Jul 4, 1989·12 cites·4 claims
- 1176US8336677B2Safety device for elevator and rope slip detection methodKIGAWA HIROSHI·Filed 2012·Granted Dec 25, 2012·4 cites·1 claims
- 1276US4803287ACertain photochromic fulgide compounds and method for their synthesisAGENCY IND SCIENCE TECHN·Filed 1987·Granted Feb 7, 1989·11 cites·4 claims
- 1375US4557850AComposition for absorption refrigerationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Dec 10, 1985·34 cites·17 claims
- 1471US9708158B2Multi-car elevator using an exclusion zone and preventing inter-car collisionKAKIO MASAYUKI·Filed 2012·Granted Jul 18, 2017·6 cites·5 claims
- 1570US8177034B2Elevator system which controls a value of overspeedUEDA TAKAHARU·Filed 2006·Granted May 15, 2012·6 cites·10 claims
- 1669US4686169AOptical recording medium and production of the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Aug 11, 1987·16 cites·13 claims
- 1769US4207744ASolar refrigeration systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Jun 17, 1980·29 cites·5 claims
- 1867US5241075APhotochromic spiropyran compoundsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Aug 31, 1993·9 cites·2 claims
- 1964US7637357B2Elevator apparatus with sheave rotational speed difference determination for detecting an abnormalityMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Dec 29, 2009·13 cites·7 claims
- 2057US5079061AOptical storage mediaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jan 7, 1992·12 cites·8 claims
- 2155US5360699APhotochromic material and an optical storage medium using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Nov 1, 1994·9 cites·7 claims
- 2253US10526170B2Elevator apparatusMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jan 7, 2020·1 cites·4 claims
- 2353US4913948AOptical recording mediumAGENCY IND SCIENCE TECHN·Filed 1988·Granted Apr 3, 1990·8 cites·5 claims
- 2453US4001014AElectrophotographic photosensitive plate having tellurium present in varying concentrations across its thicknessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Jan 4, 1977·6 cites·14 claims
- 2547US2013001020A1Safety device for elevator and rope slip detection methodMITSUBISHI ELECTRIC CORP·Filed 2012·Application pending·0 cites
- 2646US8186484B2Elevator system which controls a value of overspeedUEDA TAKAHARU·Filed 2011·Granted May 29, 2012·0 cites·12 claims
- 2744US11142429B2Emergency stop device for an elevator carMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Oct 12, 2021·0 cites·3 claims
- 2844US6435316B1Rope support device for elevatorMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 20, 2002·12 cites·12 claims
- 2942US5095120AProcess for the preparation of photochromic spiropyran compoundsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 10, 1992·2 cites·12 claims
- 3041US11230457B2Elevator apparatusMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jan 25, 2022·0 cites·10 claims
- 3140US5110648AOptical storage mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 5, 1992·4 cites·4 claims
- 3231US4937120AOptical recording medium and process for producing the sameAGENCY IND SCIENCE TECHN·Filed 1989·Granted Jun 26, 1990·1 cites·15 claims
- 3330US5252437APhotochromic materials having a thin photochromic film and a method for fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Oct 12, 1993·3 cites·31 claims
- 3426US5039555AMethod of preparing lubricant for recording mediaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Aug 13, 1991·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →