Inventor · disambiguated record
Kazumasa Takenaka
Also filed as: TAKENAKA KAZUMASA
23 granted patents·423 citations·filing 1975–2014
96Inventor score
Top patents by PatentIndex Score
23 records- 0195USD307426STelephone setMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Apr 24, 1990·48 cites·1 claims
- 0292USD303390STelephone setMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Sep 12, 1989·38 cites·1 claims
- 0392USD266664SCombined radio receiver and tape recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Oct 26, 1982·32 cites·1 claims
- 0492USD259785SCombined tape recorder and radio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Jul 7, 1981·29 cites·1 claims
- 0591USD279372STelephone answering machine with handsetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Jun 25, 1985·33 cites·1 claims
- 0690USD425534SSurveillance cameraMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 23, 2000·52 cites·1 claims
- 0787USD425535SSurveillance cameraMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 23, 2000·40 cites·1 claims
- 0886USD299228SIntegral telephone and answering setMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jan 3, 1989·28 cites·1 claims
- 0986USD297935STelephoneMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Oct 4, 1988·26 cites·1 claims
- 1084USD284467STelephone answering machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jul 1, 1986·21 cites·1 claims
- 1180USD285553STelephone set with automatic dialer and speaker phoneMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Sep 9, 1986·17 cites·1 claims
- 1274USD273380SCombined radio and cassette tape recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Apr 10, 1984·13 cites·1 claims
- 1373USD253412SCombined radio and television sound receiver or the likeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Nov 13, 1979·11 cites·1 claims
- 1469USD269442SElectronic translatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jun 21, 1983·11 cites·1 claims
- 1564USD298936STelephone set with display panel and speakerphoneMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Dec 13, 1988·10 cites·1 claims
- 1654USD244102SCombined portable radio and tape recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Apr 19, 1977·5 cites·1 claims
- 1749USD278144SCombined tape recorder and radio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Mar 26, 1985·4 cites·1 claims
- 1842US9607984B2Common drain semiconductor device structure and methodSEMICONDUCTOR COMPONENTS IND LLC·Filed 2014·Granted Mar 28, 2017·0 cites·17 claims
- 1938USD262367SCombined cassette recorder and radio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Dec 22, 1981·2 cites·1 claims
- 2037USD267717SClock radioMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jan 25, 1983·1 cites·1 claims
- 2136USD262110SPortable radioMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Dec 1, 1981·1 cites·1 claims
- 2235USD250190SCombined portable radio and cassette recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Nov 7, 1978·1 cites·1 claims
- 2333US8779507B2Insulated gate semiconductor deviceMIYATA TAKUJI·Filed 2012·Granted Jul 15, 2014·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →