Inventor · disambiguated record
Tod K. Shioyama
Also filed as: SHIOYAMA TOD K
15 granted patents·175 citations·filing 1979–1990
93Inventor score
Files withPHILLIPS PETROLEUM CO15
Top patents by PatentIndex Score
15 records- 0192US4260845AAlcohol dehydration employing a zinc aluminate catalystPHILLIPS PETROLEUM CO·Filed 1980·Granted Apr 7, 1981·36 cites·15 claims
- 0280US4448892AOlefin oxidation catalystPHILLIPS PETROLEUM CO·Filed 1982·Granted May 15, 1984·16 cites·12 claims
- 0378US4507506AAlpha-olefin conversionPHILLIPS PETROLEUM CO·Filed 1983·Granted Mar 26, 1985·13 cites·24 claims
- 0474US4644073APermeability contrast correction employing a sulfate-free propionate-sequestered chromium (III) solutionPHILLIPS PETROLEUM CO·Filed 1985·Granted Feb 17, 1987·28 cites·20 claims
- 0572US4226809AHydrogenation of unsaturated dinitriles using catalyst comprising reaction products of nickel compound and of a palladium compound each with an alkali metal borohydridePHILLIPS PETROLEUM CO·Filed 1979·Granted Oct 7, 1980·8 cites·20 claims
- 0671US4550212ACatalystsPHILLIPS PETROLEUM CO·Filed 1982·Granted Oct 29, 1985·22 cites·7 claims
- 0768US4399307AAmination processPHILLIPS PETROLEUM CO·Filed 1982·Granted Aug 16, 1983·8 cites·7 claims
- 0866US4636572APermeability contrast correction employing propionate-sequestered chromium(III) prepared by nitrite/dichromate redoxPHILLIPS PETROLEUM CO·Filed 1985·Granted Jan 13, 1987·21 cites·19 claims
- 0966US4560783AProcess for producing aluminum citrate solutionsPHILLIPS PETROLEUM CO·Filed 1983·Granted Dec 24, 1985·7 cites·13 claims
- 1065US4532362AOlefin oxidation catalystPHILLIPS PETROLEUM CO·Filed 1984·Granted Jul 30, 1985·7 cites·14 claims
- 1147US4997988AOxa-organic sulfur compounds, their preparation and usePHILLIPS PETROLEUM CO·Filed 1990·Granted Mar 5, 1991·3 cites·16 claims
- 1240US4419525ARecovery and rejuvenation of Wacker-type catalystsPHILLIPS PETROLEUM CO·Filed 1982·Granted Dec 6, 1983·6 cites·5 claims
- 1333US4962169AOxa-organic sulfur compounds, their preparation and usePHILLIPS PETROLEUM CO·Filed 1989·Granted Oct 9, 1990·0 cites·6 claims
- 1433US4891444AOxa-organic sulfur compounds, their preparation and usePHILLIPS PETROLEUM CO·Filed 1988·Granted Jan 2, 1990·0 cites·4 claims
- 1533US4479009AAmination processPHILLIPS PETROLEUM CO·Filed 1982·Granted Oct 23, 1984·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →