Assignee
TDK ELECTRONICS CO LTD
359 granted patents·6,085 citations·filing 1972–2001
Top patents by PatentIndex Score
359 records- 0199US4412231ALight recording mediumTDK ELECTRONICS CO LTD·Filed 1982·Granted Oct 25, 1983·141 cites·2 claims
- 0299US4098725ALow thermal expansive, electroconductive composite ceramicsTDK ELECTRONICS CO LTD·Filed 1975·Granted Jul 4, 1978·118 cites·1 claims
- 0398USD266829SPackaging containerTDK ELECTRONICS CO LTD·Filed 1978·Granted Nov 9, 1982·73 cites·1 claims
- 0497US4338576AUltrasonic atomizer unit utilizing shielded and grounded elementsTDK ELECTRONICS CO LTD·Filed 1979·Granted Jul 6, 1982·113 cites·3 claims
- 0597US4110260AElectroconductive composite ceramicsTDK ELECTRONICS CO LTD·Filed 1976·Granted Aug 29, 1978·137 cites·17 claims
- 0696US4327348AVariable leakage transformerTDK ELECTRONICS CO LTD·Filed 1979·Granted Apr 27, 1982·81 cites·6 claims
- 0795US4474326AUltrasonic atomizing deviceTDK ELECTRONICS CO LTD·Filed 1982·Granted Oct 2, 1984·102 cites·10 claims
- 0895US4466582ATape guide for magnetic tape cartridgeTDK ELECTRONICS CO LTD·Filed 1982·Granted Aug 21, 1984·47 cites·9 claims
- 0995US4003840AMicrowave absorberTDK ELECTRONICS CO LTD·Filed 1975·Granted Jan 18, 1977·95 cites·8 claims
- 1094US4415630AProcess of making magnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1983·Granted Nov 15, 1983·45 cites·11 claims
- 1194US4146854AHigh frequency attenuator using ferrite beadsTDK ELECTRONICS CO LTD·Filed 1977·Granted Mar 27, 1979·46 cites·7 claims
- 1294US4116906ACoatings for preventing reflection of electromagnetic wave and coating material for forming said coatingsTDK ELECTRONICS CO LTD·Filed 1977·Granted Sep 26, 1978·57 cites·7 claims
- 1393US4424504AFerrite coreTDK ELECTRONICS CO LTD·Filed 1982·Granted Jan 3, 1984·65 cites·7 claims
- 1492US4530080AOptical recording/reproducing systemTDK ELECTRONICS CO LTD·Filed 1982·Granted Jul 16, 1985·44 cites·6 claims
- 1591US4372802AApparatus for mounting chip type circuit elements on printed circuit boardsTDK ELECTRONICS CO LTD·Filed 1981·Granted Feb 8, 1983·61 cites·11 claims
- 1691US4257989AHumidifierTDK ELECTRONICS CO LTD·Filed 1979·Granted Mar 24, 1981·83 cites·6 claims
- 1791US4194108AThermal printing head and method of making sameTDK ELECTRONICS CO LTD·Filed 1978·Granted Mar 18, 1980·36 cites·8 claims
- 1890US4314221AInductance deviceTDK ELECTRONICS CO LTD·Filed 1980·Granted Feb 2, 1982·44 cites·4 claims
- 1990US4309459AProcess for producing SiO2 coated iron oxide powder for use in the preparation of acicular magnetic iron or iron oxide powderTDK ELECTRONICS CO LTD·Filed 1980·Granted Jan 5, 1982·35 cites·3 claims
- 2090US4079430AMagnetic headTDK ELECTRONICS CO LTD·Filed 1976·Granted Mar 14, 1978·46 cites·13 claims
- 2189US6568526B1Stackable compact disk caseTDK ELECTRONICS CO LTD·Filed 2000·Granted May 27, 2003·35 cites·12 claims
- 2289US4308155ARubber or plastic magnet and magnetic powder for making the sameTDK ELECTRONICS CO LTD·Filed 1979·Granted Dec 29, 1981·46 cites·11 claims
- 2389US4292116AApparatus for mounting chip type circuit elements on a printed circuit boardTDK ELECTRONICS CO LTD·Filed 1979·Granted Sep 29, 1981·49 cites·15 claims
- 2489US4160748ANon-linear resistorTDK ELECTRONICS CO LTD·Filed 1977·Granted Jul 10, 1979·34 cites·6 claims
- 2588US4247398AHigh gradient magnetic separation apparatusTDK ELECTRONICS CO LTD·Filed 1979·Granted Jan 27, 1981·53 cites·6 claims
- 2688USD255712SHumidifierTDK ELECTRONICS CO LTD·Filed 1978·Granted Jul 1, 1980·28 cites·1 claims
- 2787US4321302AProcess for producing magnetic powder having high coercive forceTDK ELECTRONICS CO LTD·Filed 1980·Granted Mar 23, 1982·52 cites·5 claims
- 2887USD261936SMedical magnetic padTDK ELECTRONICS CO LTD·Filed 1978·Granted Nov 17, 1981·30 cites·1 claims
- 2987US4282302AFerrite powder type magnetic toner used in electrophotography and process for producing the sameTDK ELECTRONICS CO LTD·Filed 1979·Granted Aug 4, 1981·47 cites·7 claims
- 3087US3989042AOscillator-exciting system for ultrasonic liquid nebulizerTDK ELECTRONICS CO LTD·Filed 1975·Granted Nov 2, 1976·63 cites·4 claims
- 3186US4587507ACore of a choke coil comprised of amorphous magnetic alloyTDK ELECTRONICS CO LTD·Filed 1982·Granted May 6, 1986·30 cites·13 claims
- 3286US4419406AMagnetic recording medium and production thereofTDK ELECTRONICS CO LTD·Filed 1982·Granted Dec 6, 1983·48 cites·7 claims
- 3386US4352080AFerrite coreTDK ELECTRONICS CO LTD·Filed 1980·Granted Sep 28, 1982·37 cites·2 claims
- 3486US4278556AProcess for producing flexible magnetsTDK ELECTRONICS CO LTD·Filed 1979·Granted Jul 14, 1981·35 cites·3 claims
- 3586US4188211AThermally stable amorphous magnetic alloyTDK ELECTRONICS CO LTD·Filed 1978·Granted Feb 12, 1980·29 cites·42 claims
- 3686US4118704AElectromagnetic wave-absorbing wallTDK ELECTRONICS CO LTD·Filed 1977·Granted Oct 3, 1978·49 cites·9 claims
- 3785USD275654SCase for a magnetic tape magazineTDK ELECTRONICS CO LTD·Filed 1981·Granted Sep 25, 1984·21 cites·1 claims
- 3885US4370698AThrough type high-withstand-voltage ceramicTDK ELECTRONICS CO LTD·Filed 1980·Granted Jan 25, 1983·39 cites·18 claims
- 3984US4410139ALiquid nebulizerTDK ELECTRONICS CO LTD·Filed 1978·Granted Oct 18, 1983·47 cites·7 claims
- 4084US4408171ANoise filter with socket attached theretoTDK ELECTRONICS CO LTD·Filed 1981·Granted Oct 4, 1983·28 cites·5 claims
- 4184USD266419SMagazine of magnetic tapeTDK ELECTRONICS CO LTD·Filed 1979·Granted Oct 5, 1982·19 cites·1 claims
- 4284USD254126SMagnetic necklaceTDK ELECTRONICS CO LTD·Filed 1977·Granted Feb 5, 1980·36 cites·1 claims
- 4384US4135219ADemagnetizer for a magnetic head of a recording-reproducing deviceTDK ELECTRONICS CO LTD·Filed 1977·Granted Jan 16, 1979·24 cites·3 claims
- 4484US4119554ACeramic dielectric composition containing alkali metal oxideTDK ELECTRONICS CO LTD·Filed 1977·Granted Oct 10, 1978·34 cites·7 claims
- 4584US4095587AHealthy magnetic ornamentTDK ELECTRONICS CO LTD·Filed 1976·Granted Jun 20, 1978·71 cites·3 claims
- 4683US4407000ACombined dipole and ferrite antennaTDK ELECTRONICS CO LTD·Filed 1981·Granted Sep 27, 1983·43 cites·6 claims
- 4783US4393110AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1982·Granted Jul 12, 1983·24 cites·2 claims
- 4883USD245769SMagnetic medical necklaceTDK ELECTRONICS CO LTD·Filed 1976·Granted Sep 13, 1977·21 cites·1 claims
- 4982US4599718AMethod for erasing a light recording mediumTDK ELECTRONICS CO LTD·Filed 1985·Granted Jul 8, 1986·28 cites·2 claims
- 5082US4046983AMicrowave heating oven having seal means for preventing the leakage of microwave energyTDK ELECTRONICS CO LTD·Filed 1976·Granted Sep 6, 1977·33 cites·7 claims
Showing the top 50 of 359 patent records by PatentIndex Score.
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