Inventor · disambiguated record
Kenkichi Tsukamoto
Also filed as: TSUKAMOTO KENKICHI
12 granted patents·316 citations·filing 1974–1991
92Inventor score
Files withTSUKAMOTO KENKICHI7COSTARICA SOGO KAIHATSU CO LTD1NIPPON KAYAKU KK1SEIKO TSUKAMOTO1SHIMADA SEIKO1
Top patents by PatentIndex Score
12 records- 0191US4260523AMagnetized active carbon compositionTSUKAMOTO SIAKO·Filed 1979·Granted Apr 7, 1981·48 cites·14 claims
- 0291US4004997AProcess of curing a polymerizable composition containing a magnetized powered ferromagnetic material with radioactive raysSHIMADA SEIKO·Filed 1975·Granted Jan 25, 1977·74 cites·9 claims
- 0390US4258730AElectrostatic and magnetic tobacco smoke filtering arrangementSEIKO TSUKAMOTO·Filed 1978·Granted Mar 31, 1981·39 cites·7 claims
- 0481US3944757AHigh-fidelity moving-coil loudspeakerTSUKAMOTO KENKICHI·Filed 1974·Granted Mar 16, 1976·27 cites·2 claims
- 0571US4235302ALoudspeakerTSUKAMOTO KENKICHI·Filed 1978·Granted Nov 25, 1980·33 cites·8 claims
- 0666US5191905AFilter cigarette having filter containing absorptive synthetic graft polymer fibers produced from irradiated polyethylene reacted with vapor phase styrene or absorptive synthetic magnetic fibersCOSTARICA SOGO KAIHATSU CO LTD·Filed 1991·Granted Mar 9, 1993·44 cites·13 claims
- 0766US4313040AElectro-acoustic transducer with free edge diaphragmTSUKAMOTO KENKICHI·Filed 1980·Granted Jan 26, 1982·32 cites·7 claims
- 0841US5237077ANon-pollutional process for producing aromatic nitro compounds without using a mineral acidNIPPON KAYAKU KK·Filed 1991·Granted Aug 17, 1993·3 cites·4 claims
- 0941US4093833AMoving coil cartridge with magnetic means to affix stylus holder to cartridge casingTSUKAMOTO KENKICHI·Filed 1976·Granted Jun 6, 1978·9 cites·3 claims
- 1035US4146236ACounterweight for a tonearmTSUKAMOTO KENKICHI·Filed 1977·Granted Mar 27, 1979·6 cites·5 claims
- 1129US4179589APhono cartridgeTSUKAMOTO KENKICHI·Filed 1978·Granted Dec 18, 1979·1 cites·2 claims
- 1228US4198610AAudio amplifierTSUKAMOTO KENKICHI·Filed 1978·Granted Apr 15, 1980·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →