Inventor · disambiguated record
Shigeo Soejima
Also filed as: SOEJIMA SHIGEO · WATANABE TETSUO · YAMAMOTO NOBORU
36 granted patents·1,250 citations·filing 1978–1991
98Inventor score
Top patents by PatentIndex Score
36 records- 0197US4798693AMethod of manufacturing an electrochemical deviceNGK INSULATORS LTD·Filed 1987·Granted Jan 17, 1989·192 cites·10 claims
- 0297US4280845ACordierite ceramicNGK INSULATORS LTD·Filed 1979·Granted Jul 28, 1981·88 cites·5 claims
- 0394US4507394AHigh electric resistant zirconia and/or hafnia ceramicsNGK INSULATORS LTD·Filed 1983·Granted Mar 26, 1985·51 cites·3 claims
- 0494US4253992ACeramic honeycomb composite structure, catalyst supported thereby and method of producing the sameNGK INSULATORS LTD·Filed 1978·Granted Mar 3, 1981·59 cites·8 claims
- 0593US4295892ACordierite ceramic honeycomb and a method for producing the sameNGK INSULATORS LTD·Filed 1978·Granted Oct 20, 1981·55 cites·3 claims
- 0691US4579643AElectrochemical deviceNGK INSULATORS LTD·Filed 1984·Granted Apr 1, 1986·53 cites·33 claims
- 0790US5169513AElectrochemical element and method of makingNGK INSULATORS LTD·Filed 1991·Granted Dec 8, 1992·56 cites·10 claims
- 0890US4200552ACatalyst carrier, catalyst and their manufacturing processNGK INSULATORS LTD·Filed 1979·Granted Apr 29, 1980·42 cites·12 claims
- 0989US4610741AProcess of manufacturing electrochemical deviceNGK INSULATORS LTD·Filed 1984·Granted Sep 9, 1986·50 cites·23 claims
- 1089US4559126AElectrochemical deviceNGK INSULATORS LTD·Filed 1984·Granted Dec 17, 1985·52 cites·23 claims
- 1187US4370393ASolid electrolytesNGK INSULATORS LTD·Filed 1980·Granted Jan 25, 1983·34 cites·1 claims
- 1284US4237030ACatalyst for purifying exhaust gas from an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1978·Granted Dec 2, 1980·31 cites·6 claims
- 1383US4755274AElectrochemical sensing element and device incorporating the sameNGK INSULATORS LTD·Filed 1986·Granted Jul 5, 1988·50 cites·27 claims
- 1482US4655901AOxygen sensor elementNGK INSULATORS LTD·Filed 1984·Granted Apr 7, 1987·38 cites·9 claims
- 1578US4505783AOxygen concentration detector and method of using sameNGK INSULATORS LTD·Filed 1982·Granted Mar 19, 1985·33 cites·21 claims
- 1677US4647364AElectrochemical deviceNGK INSULATORS LTD·Filed 1985·Granted Mar 3, 1987·30 cites·17 claims
- 1775US4657659AElectrochemical elementNGK INSULATORS LTD·Filed 1986·Granted Apr 14, 1987·35 cites·7 claims
- 1874US4240890AOxygen partial pressure measuring device suitably adapted for internal combustion engine exhaust gasesNGK INSULATORS LTD·Filed 1979·Granted Dec 23, 1980·23 cites·7 claims
- 1973US4407704AOxygen concentration detector and a method of detecting oxygen concentrationNGK INSULATORS LTD·Filed 1980·Granted Oct 4, 1983·23 cites·13 claims
- 2070US4541898AMethod for heatingNGK INSULATORS LTD·Filed 1982·Granted Sep 17, 1985·22 cites·5 claims
- 2165US4541899AMethod of heating a solid electrolyte bodyNGK INSULATORS LTD·Filed 1982·Granted Sep 17, 1985·17 cites·5 claims
- 2264US4358428AMethod of removing nitrogen oxides from waste gas by selective contact reductionNGK INSULATORS LTD·Filed 1979·Granted Nov 9, 1982·19 cites·1 claims
- 2363US4728411AElectrochemical deviceNGK INSULATORS LTD·Filed 1985·Granted Mar 1, 1988·22 cites·22 claims
- 2459US4861456AElectrochemical deviceNGK INSULATORS LTD·Filed 1987·Granted Aug 29, 1989·16 cites·15 claims
- 2559US4735666AMethod of producing ceramicsNGK INSULATORS LTD·Filed 1986·Granted Apr 5, 1988·12 cites·15 claims
- 2659US4670128AElectrochemical deviceNGK INSULATORS LTD·Filed 1985·Granted Jun 2, 1987·14 cites·8 claims
- 2759US4505790AOxygen concentration regulationNGK INSULATORS LTD·Filed 1982·Granted Mar 19, 1985·16 cites·19 claims
- 2858US4541900AMethod for heating solid electrolyteNGK INSULATORS LTD·Filed 1982·Granted Sep 17, 1985·16 cites·6 claims
- 2956US4505804AOxygen concentration detectorNGK INSULATORS LTD·Filed 1982·Granted Mar 19, 1985·15 cites·10 claims
- 3055US4505803AOxygen concentration detectorNGK INSULATORS LTD·Filed 1982·Granted Mar 19, 1985·14 cites·10 claims
- 3154US5108577AElectrochemical deviceNGK INSULATORS LTD·Filed 1990·Granted Apr 28, 1992·15 cites·4 claims
- 3252US4585499AMethod of producing ceramicsNGK INSULATORS LTD·Filed 1984·Granted Apr 29, 1986·9 cites·15 claims
- 3351US4505805AOxygen concentration detectorNGK INSULATORS LTD·Filed 1982·Granted Mar 19, 1985·12 cites·9 claims
- 3451US4505802AOxygen concentration detectorNGK INSULATORS LTD·Filed 1982·Granted Mar 19, 1985·12 cites·11 claims
- 3550US4797194AElectrochemical elementNGK INSULATORS LTD·Filed 1988·Granted Jan 10, 1989·13 cites·32 claims
- 3646US4769123AElectrochemical deviceNGK INSULATORS LTD·Filed 1986·Granted Sep 6, 1988·11 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →