Inventor · disambiguated record
Kyoji Ohdan
Also filed as: FUZINAGA MASATAKA · HISAYUKI TERUMI · IKEZAWA HARUMI · MATSUZAKI TOKUO
22 granted patents·306 citations·filing 1975–1997
96Inventor score
Top patents by PatentIndex Score
22 records- 0188US4444907AMethacrylic acid production catalystUBE INDUSTRIES·Filed 1982·Granted Apr 24, 1984·27 cites·5 claims
- 0281US4177161ACatalytic oxidative process for producing maleic anhydrideUBE INDUSTRIES·Filed 1978·Granted Dec 4, 1979·14 cites·15 claims
- 0380US4278614AProcess for the catalytical preparation of acrylonitrileUBE INDUSTRIES·Filed 1979·Granted Jul 14, 1981·14 cites·16 claims
- 0480US4217309AProcess for producing methacroleinUBE INDUSTRIES·Filed 1979·Granted Aug 12, 1980·31 cites·10 claims
- 0579US4267385AProcess for the catalytic preparation of acrolein and methacroleinUBE INDUSTRIES·Filed 1979·Granted May 12, 1981·28 cites·11 claims
- 0677US4045478AMethod for the preparation of methacrylic acidUBE INDUSTRIES·Filed 1976·Granted Aug 30, 1977·25 cites·10 claims
- 0773US5885917APorous lithium aluminate carrier of spinel structure for catalystUBE INDUSTRIES·Filed 1997·Granted Mar 23, 1999·31 cites·9 claims
- 0869US4256914ACatalytic oxidation of methacroleinUBE INDUSTRIES·Filed 1979·Granted Mar 17, 1981·8 cites·11 claims
- 0967US4264476ACatalyst for producing acrylonitrile in a fluidized bed reactorUBE INDUSTRIES·Filed 1979·Granted Apr 28, 1981·14 cites·5 claims
- 1065US4290922AAmmoxidation catalyst for the production of acrylonitrile from propylene and process for producing the sameUBE INDUSTRIES·Filed 1980·Granted Sep 22, 1981·19 cites·8 claims
- 1165US4171328ACatalytic oxidation of isobutyleneUBE INDUSTRIES·Filed 1978·Granted Oct 16, 1979·17 cites·11 claims
- 1259US4778734ABarium ferrite magnetic powder and magnetic recording medium containing the sameUBE INDUSTRIES·Filed 1988·Granted Oct 18, 1988·16 cites·10 claims
- 1356US4364844ACatalyst for production of unsaturated carboxylic acid, preparation thereof and production of unsaturated carboxylic acidUBE INDUSTRIES·Filed 1980·Granted Dec 21, 1982·14 cites·14 claims
- 1452US4009194ACatalytic ammoxidation of olefins to nitrilesUBE INDUSTRIES·Filed 1975·Granted Feb 22, 1977·9 cites·5 claims
- 1551US4070390AMethod for the catalytical preparation of acrylonitrileUBE INDUSTRIES·Filed 1976·Granted Jan 24, 1978·8 cites·27 claims
- 1650US5688984APorous lithium aluminate carrier of spinel structure for catalystUBE INDUSTRIES·Filed 1996·Granted Nov 18, 1997·11 cites·5 claims
- 1745US5164349AElectromagnetic effect materialUBE INDUSTRIES·Filed 1991·Granted Nov 17, 1992·9 cites·12 claims
- 1843US4006167AVapor phase oxidation of unsaturated aliphatic hydrocarbon to maleic anhydride using a catalyst consisting essentially of the oxides of vanadium, phosphorous, zirconium, and manganeseUBE INDUSTRIES·Filed 1975·Granted Feb 1, 1977·2 cites·8 claims
- 1939US4154703AProcess for the preparation of maleic anhydride catalystUBE INDUSTRIES·Filed 1977·Granted May 15, 1979·5 cites·7 claims
- 2033US4097518AMethod for the catalytic production of acrylonitrileUGINE KUHLMANN·Filed 1976·Granted Jun 27, 1978·2 cites·18 claims
- 2131US4110350ACatalytic oxidative process for producing maleic anhydrideUBE INDUSTRIES·Filed 1977·Granted Aug 29, 1978·2 cites·11 claims
- 2228US4205010AMethod for the catalytical production of acrylonitrileUBE INDUSTRIES·Filed 1976·Granted May 27, 1980·0 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →