Inventor · disambiguated record
Chao-Yang Hsu
Also filed as: HSU CHAO-YANG
48 granted patents·4 pending applications·707 citations·filing 1979–2024
98Inventor score
Files withSUN TECH INC15SUN CO INC R & M14SUN REFINING & MARKETING14ATLANTIC RICHFIELD CO3CYBER POWER SYSTEMS INC1
Top patents by PatentIndex Score
52 records- 0196US4918041ACatalyst for hydrocarbon conversion and conversion process utilizing the sameSUN REFINING & MARKETING·Filed 1988·Granted Apr 17, 1990·71 cites·13 claims
- 0295US5516964AHydrocarbon isomerization using solid superacid catalysts comprising platinum metalSUN CO INC R & M·Filed 1994·Granted May 14, 1996·60 cites·20 claims
- 0394US4956519ACatalyst for hydrocarbon conversion and conversion process utilizing the sameSUN REFINING & MARKETING·Filed 1989·Granted Sep 11, 1990·53 cites·3 claims
- 0492US5321197AProcesses using solid-acid catalyst compositionSUN CO INC R & M·Filed 1992·Granted Jun 14, 1994·37 cites·9 claims
- 0589US5212136ASolid-acid alkylation catalyst compositions for alkylation processesSUN CO INC R & M·Filed 1991·Granted May 18, 1993·28 cites·9 claims
- 0685US5019671ALiquid phase isomerization of alkanesSUN REFINING & MARKETING·Filed 1989·Granted May 28, 1991·25 cites·11 claims
- 0783US5214017ASolid-acid alkylation catalyst compositions for alkylation processesSUN CO INC R & M·Filed 1991·Granted May 25, 1993·43 cites·10 claims
- 0883US4613411AProcess for the production and purification of diethoxymethane by azeotropic distillationSUN REFINING & MARKETING·Filed 1985·Granted Sep 23, 1986·18 cites·5 claims
- 0982US5493067ASolid superacid alkylation catalyst compositions and alkylation method using the sameSUN CO INC R & M·Filed 1993·Granted Feb 20, 1996·18 cites·24 claims
- 1082US5310868AProcesses using solid-acid catalyst compositionsSUN COMPANY INC·Filed 1992·Granted May 10, 1994·39 cites·10 claims
- 1181US4522757AProcess for oxidizing a phenol to a p-benzoquinoneSUN TECH INC·Filed 1983·Granted Jun 11, 1985·14 cites·17 claims
- 1280US4485245AHydrogenation of carboxylic acid anhydrides to lactones or esters using a ruthenium trichlorostannate catalystSUN TECH INC·Filed 1982·Granted Nov 27, 1984·15 cites·9 claims
- 1379US4775447AProcess for the production of 2,2-dimethoxypropaneSUN REFINING & MARKETING·Filed 1984·Granted Oct 4, 1988·13 cites·8 claims
- 1478US5780383ASolid superacid catalyst comprising group VII metal and having Ho less than -18SUN CO INC R & M·Filed 1992·Granted Jul 14, 1998·36 cites·2 claims
- 1577US4482756AProduction of hydroquinonesSUN TECH INC·Filed 1983·Granted Nov 13, 1984·12 cites·19 claims
- 1675US5510558AOxidative dehydrogenation of hydrocarbons with active carbon catalystSUN CO INC R & M·Filed 1993·Granted Apr 23, 1996·15 cites·10 claims
- 1775US4405496AHydroformylation catalyst and process of using itSUN TECH INC·Filed 1982·Granted Sep 20, 1983·21 cites·5 claims
- 1873US4318860APreparation of unsaturated monester precursor for pelargonic acidATLANTIC RICHFIELD CO·Filed 1980·Granted Mar 9, 1982·10 cites·6 claims
- 1970US2025215469A1Method for producing sesaminol or sesaminol glucosideFLAVOR FULL FOODS INC·Filed 2024·Application pending·0 cites
- 2069US5629257ASolid superacid catalysts comprising platinum metalSUN CO INC R & M·Filed 1994·Granted May 13, 1997·27 cites·36 claims
- 2169US5491278AAlkylation process using solid superacid catalyst liquid phaseSUN CO INC R & M·Filed 1993·Granted Feb 13, 1996·25 cites·12 claims
- 2263US5648590ALiquid phase isomerization of alkanesSUN CO INC R & M·Filed 1994·Granted Jul 15, 1997·8 cites·17 claims
- 2362US4365079ARecovery of dimethyl sebacate from an isomeric mixture of C12 estersATLANTIC RICHFIELD CO·Filed 1981·Granted Dec 21, 1982·6 cites·6 claims
- 2460US4620027ACatalyst and process for production of cinnamatesSUN REFINING & MARKETING·Filed 1984·Granted Oct 28, 1986·5 cites·13 claims
- 2559US4542119AHydroformylation catalyst and processSUN TECH INC·Filed 1984·Granted Sep 17, 1985·13 cites·10 claims
- 2657US5476981AOxidative dehydrogenation of hydrocarbons with solid superacid catalystSUN CO INC R & M·Filed 1993·Granted Dec 19, 1995·16 cites·13 claims
- 2756US4442036AProcess for oxidizing phenol to benzoquinoneSUN TECH INC·Filed 1983·Granted Apr 10, 1984·4 cites·10 claims
- 2852US5494571ANaphtha upgrading using solid superacid catalysts comprising platinum metalSUN CO INC R & M·Filed 1994·Granted Feb 27, 1996·16 cites·18 claims
- 2949US7230353B2Charging circuit in uninterruptible power supply systemDELTA ELECTRONICS INC·Filed 2004·Granted Jun 12, 2007·5 cites·12 claims
- 3048US4528278ACatalyst for hydroformylation of olefinsSUN TECH INC·Filed 1984·Granted Jul 9, 1985·6 cites·6 claims
- 3148US4519948AProcess for oxidizing a phenol to a p-benzoquinoneSUN TECH INC·Filed 1983·Granted May 28, 1985·8 cites·8 claims
- 3247US4737591ACatalyst and process for production of cinnamatesSUN REFINING & MARKETING·Filed 1984·Granted Apr 12, 1988·2 cites·11 claims
- 3346US4478752AProcess for oxidizing phenol to p-benzoquinoneSUN TECH INC·Filed 1982·Granted Oct 23, 1984·5 cites·21 claims
- 3446US4469883APalladium catalyzed oxy-acetylation of phenyl acetate to meta-acetoxyacetophenoneSUN TECH INC·Filed 1981·Granted Sep 4, 1984·2 cites·10 claims
- 3546US4332963ASelective production of phenylene diacetateSUN TECH INC·Filed 1981·Granted Jun 1, 1982·2 cites·10 claims
- 3645US4855485AProcess for production of cinnamatesSUN REFINING & MARKETING·Filed 1987·Granted Aug 8, 1989·2 cites·8 claims
- 3745US4827023AProcess for the selective formation of dialkyl succinatesSUN REFINING & MARKETING·Filed 1987·Granted May 2, 1989·2 cites·23 claims
- 3845US2013258606A1Display device with replaceable housingPEGATRON CORP·Filed 2013·Application pending·0 cites
- 3944US4652344APreparation of 1,1-dimethoxycyclohexaneSUN REFINING & MARKETING·Filed 1985·Granted Mar 24, 1987·2 cites·2 claims
- 4043US4564711AHydroformylation catalyst and processSUN REFINING & MARKETING·Filed 1985·Granted Jan 14, 1986·2 cites·13 claims
- 4142US4542120AHydroformylation catalyst and processSUN TECH INC·Filed 1984·Granted Sep 17, 1985·5 cites·9 claims
- 4242US2010002447A1Light-guiding element, light-emitting module, and electronic deviceLIN YU-TE·Filed 2009·Application pending·0 cites
- 4341US2014268962A1Hybrid dc/ac inverterCYBER POWER SYSTEMS INC·Filed 2013·Application pending·0 cites
- 4440US4487973AHydroformylation process with platinum (O) catalystSUN TECH INC·Filed 1983·Granted Dec 11, 1984·1 cites·10 claims
- 4540US4299976APreparation of unsaturated diester precursor for sebacic acidATLANTIC RICHFIELD CO·Filed 1979·Granted Nov 10, 1981·1 cites·4 claims
- 4637US4524142APlatinum (O) complex-based hydroformylation catalystSUN TECH INC·Filed 1984·Granted Jun 18, 1985·3 cites·12 claims
- 4736US5362694ASulfur dioxide regeneration of superacid catalystSUN CO INC R & M·Filed 1993·Granted Nov 8, 1994·4 cites·29 claims
- 4836US4575564ACatalyst and process for hydroformylation of olefinsSUN REFINING & MARKETING·Filed 1985·Granted Mar 11, 1986·3 cites·9 claims
- 4934US4424380AHydroformylation catalyst and process of using itSUN TECH INC·Filed 1981·Granted Jan 3, 1984·2 cites·9 claims
- 5032US5494569AHydrocracking using solid superacid catalysts comprising platinum metalSUN CO INC R & M·Filed 1994·Granted Feb 27, 1996·2 cites·18 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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