Assignee
FUJI ELECTROCHEMICAL CO LTD
JP·39 granted patents·732 citations·filing 1975–1996
Top patents by PatentIndex Score
39 records- 0196US4845607ADual input voltage power source for selectively switching between voltage doubler rectification and full-wave rectification functionsFUJI ELECTROCHEMICAL CO LTD·Filed 1988·Granted Jul 4, 1989·45 cites·8 claims
- 0285US4227701ARupturable sealing structure of cellFUJI ELECTROCHEMICAL CO LTD·Filed 1979·Granted Oct 14, 1980·45 cites·6 claims
- 0381US4237203ARupturable safety sealing gasket of cellFUJI ELECTROCHEMICAL CO LTD·Filed 1978·Granted Dec 2, 1980·35 cites·2 claims
- 0478US5371667AElectric power supplyFUJI ELECTROCHEMICAL CO LTD·Filed 1993·Granted Dec 6, 1994·58 cites·8 claims
- 0578US5315431AOptical isolatorFUJI ELECTROCHEMICAL CO LTD·Filed 1992·Granted May 24, 1994·54 cites·5 claims
- 0678US4166532APackage for batteriesFUJI ELECTROCHEMICAL CO LTD·Filed 1978·Granted Sep 4, 1979·47 cites·5 claims
- 0772US4363984ADigitally controlled brushless motorFUJI ELECTROCHEMICAL CO LTD·Filed 1980·Granted Dec 14, 1982·28 cites·8 claims
- 0870US5376480AAlkaline batteryFUJI ELECTROCHEMICAL CO LTD·Filed 1993·Granted Dec 27, 1994·37 cites·7 claims
- 0970US4376262AMethod and apparatus for controlling a digital controlled brushless motorFUJI ELECTROCHEMICAL CO LTD·Filed 1981·Granted Mar 8, 1983·23 cites·8 claims
- 1064US5105307AOptical isolatorFUJI ELECTROCHEMICAL CO LTD·Filed 1989·Granted Apr 14, 1992·26 cites·10 claims
- 1164US4891799AOptical head apparatus for writing and reading data on an optical disk having a lens with an inclined optical axisFUJI ELECTROCHEMICAL CO LTD·Filed 1987·Granted Jan 2, 1990·13 cites·7 claims
- 1264US4368402AH-Type ceramic resonatorFUJI ELECTROCHEMICAL CO LTD·Filed 1981·Granted Jan 11, 1983·15 cites·6 claims
- 1359US5446430AFolded strip line type dielectric resonator and multilayer dielectric filter using the sameFUJI ELECTROCHEMICAL CO LTD·Filed 1992·Granted Aug 29, 1995·20 cites·17 claims
- 1459US4540500ALow temperature sinterable oxide magnetic materialFUJI ELECTROCHEMICAL CO LTD·Filed 1983·Granted Sep 10, 1985·17 cites·5 claims
- 1558US5621365ALaminated dielectric resonator and filterFUJI ELECTROCHEMICAL CO LTD·Filed 1994·Granted Apr 15, 1997·17 cites·12 claims
- 1658US4677401ANoise filter for three-phase four-wire systemFUJI ELECTROCHEMICAL CO LTD·Filed 1985·Granted Jun 30, 1987·19 cites·1 claims
- 1758US4600851APiezoelectric buzzer with circuit elements mounted on nodal areasFUJI ELECTROCHEMICAL CO LTD·Filed 1985·Granted Jul 15, 1986·26 cites·7 claims
- 1856US4418471AMethod of producing a stator yoke of a small-sized motorFUJI ELECTROCHEMICAL CO LTD·Filed 1981·Granted Dec 6, 1983·15 cites·7 claims
- 1955US4376961AMagnetic drum/head system for selectively generating recorded voice informationFUJI ELECTROCHEMICAL CO LTD·Filed 1981·Granted Mar 15, 1983·11 cites·11 claims
- 2054US5523122AIntermittent coating process and an apparatus therefor with adjustment of spacing between coating roll and adjusterFUJI ELECTROCHEMICAL CO LTD·Filed 1994·Granted Jun 4, 1996·17 cites·8 claims
- 2151US5348816AAlkaline batteryFUJI ELECTROCHEMICAL CO LTD·Filed 1992·Granted Sep 20, 1994·18 cites·9 claims
- 2251US4968649ADielectric ceramic composition for use in high-frequency range and process for preparing the sameFUJI ELECTROCHEMICAL CO LTD·Filed 1989·Granted Nov 6, 1990·13 cites·3 claims
- 2351US4057606AMethod of producing anisotropic ferrite magnetFUJI ELECTROCHEMICAL CO LTD·Filed 1975·Granted Nov 8, 1977·13 cites·9 claims
- 2450US5682674ADielectric filter and method of manufacturing the sameFUJI ELECTROCHEMICAL CO LTD·Filed 1994·Granted Nov 4, 1997·12 cites·1 claims
- 2550US4393373APiezoelectric audible sound generatorFUJI ELECTROCHEMICAL CO LTD·Filed 1981·Granted Jul 12, 1983·13 cites·5 claims
- 2650US4122243ASealed alkaline batteryFUJI ELECTROCHEMICAL CO LTD·Filed 1977·Granted Oct 24, 1978·10 cites·6 claims
- 2749US5538656AMagnetic oxide and process for producing sameFUJI ELECTROCHEMICAL CO LTD·Filed 1994·Granted Jul 23, 1996·8 cites·16 claims
- 2846US5512195AProcess for producing single phase magnetite powderFUJI ELECTROCHEMICAL CO LTD·Filed 1994·Granted Apr 30, 1996·9 cites·5 claims
- 2945US5867314AStructure of optical passive device and assembling method thereforFUJI ELECTROCHEMICAL CO LTD·Filed 1996·Granted Feb 2, 1999·17 cites·57 claims
- 3045US4701830AElectronic circuit moduleFUJI ELECTROCHEMICAL CO LTD·Filed 1985·Granted Oct 20, 1987·11 cites·8 claims
- 3144US4864163AMethod for detecting input AC voltageFUJI ELECTROCHEMICAL CO LTD·Filed 1988·Granted Sep 5, 1989·8 cites·4 claims
- 3242US5135375AApparatus for packing permanent magnet powderFUJI ELECTROCHEMICAL CO LTD·Filed 1990·Granted Aug 4, 1992·7 cites·2 claims
- 3336US4609956AMagnetic drum cassette with magnetic drum having voice information recorded thereonFUJI ELECTROCHEMICAL CO LTD·Filed 1983·Granted Sep 2, 1986·3 cites·5 claims
- 3435US5004580AMethod and apparatus for packing permanent magnet powderFUJI ELECTROCHEMICAL CO LTD·Filed 1990·Granted Apr 2, 1991·6 cites·10 claims
- 3533US4382839AProcess for producing ferrite single crystalsFUJI ELECTROCHEMICAL CO LTD·Filed 1981·Granted May 10, 1983·3 cites·8 claims
- 3633US4302279AProcess for producing ferrite single crystal for high frequencyFUJI ELECTROCHEMICAL CO LTD·Filed 1980·Granted Nov 24, 1981·3 cites·4 claims
- 3732US5582868AProcess and apparatus for interment coating of a sheet without wrinkling thereofFUJI ELECTROCHEMICAL CO LTD·Filed 1994·Granted Dec 10, 1996·6 cites·13 claims
- 3830US5170141ACeramic filterFUJI ELECTROCHEMICAL CO LTD·Filed 1991·Granted Dec 8, 1992·3 cites·6 claims
- 3926US5183517APermanent magnet compositionFUJI ELECTROCHEMICAL CO LTD·Filed 1991·Granted Feb 2, 1993·1 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when FUJI ELECTROCHEMICAL CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →