Inventor · disambiguated record
Sachio Asaoka
Also filed as: ASAOKA SACHIO
33 granted patents·8 pending applications·889 citations·filing 1979–2019
98Inventor score
Files withCHIYODA CHEM ENG CONSTRUCT CO21JAPAN GAS SYNTHESIZE LTD4CHIYODA CORP3UNIV KING FAHD PET & MINERALS3ASAOKA SACHIO2
Top patents by PatentIndex Score
41 records- 0197US4424142ACatalyst for hydrotreatment of heavy hydrocarbon oilsCHIYODA CHEM ENG CONSTRUCT CO·Filed 1981·Granted Jan 3, 1984·106 cites·11 claims
- 0297US4422960ACatalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenesCHIYODA CHEM ENG CONSTRUCT CO·Filed 1980·Granted Dec 27, 1983·164 cites·30 claims
- 0395US4444655AHydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts thereforCHIYODA CHEM ENG CONSTRUCT CO·Filed 1982·Granted Apr 24, 1984·74 cites·15 claims
- 0488US4562059AMethod of preparing aluminaCHIYODA CHEM ENG CONSTRUCT CO·Filed 1984·Granted Dec 31, 1985·43 cites·11 claims
- 0587US6340437B1Process for preparing synthesis gas by autothermal reformingCHIYODA CHEM ENG CONSTRUCT CO·Filed 1998·Granted Jan 22, 2002·69 cites·5 claims
- 0686US5334755AProcess for the production of acetic acid from methanol and carbon monoxide using supported rhodium catalystCHIYODA CHEM ENG CONSTRUCT CO·Filed 1993·Granted Aug 2, 1994·63 cites·8 claims
- 0785US5436362AMethod of producing dialkylcarbonateCHIYODA CHEM ENG CONSTRUCT CO·Filed 1993·Granted Jul 25, 1995·26 cites·11 claims
- 0883US5324867AProcess for the production of bisphenol A.CHIYODA CHEM ENG CONSTRUCT CO·Filed 1992·Granted Jun 28, 1994·18 cites·8 claims
- 0982US5345000AProcess for the production of crystalline adduct of bisphenol A and phenol and apparatus thereforCHIYODA CHEM ENG CONSTRUCT CO·Filed 1993·Granted Sep 6, 1994·26 cites·20 claims
- 1082US4950824AProcess for the production of 2,6-diisopropylnaphthaleneCHIYODA CHEM ENG CONSTRUCT CO·Filed 1989·Granted Aug 21, 1990·21 cites·31 claims
- 1181US4555394AProcess for the preparation of aluminaCHIYODA CHEM ENG CONSTRUCT CO·Filed 1984·Granted Nov 26, 1985·29 cites·10 claims
- 1279US7297825B2Catalyst and process for LPG productionJAPAN GAS SYNTHESIZE LTD·Filed 2004·Granted Nov 20, 2007·12 cites·13 claims
- 1379US5382712AProcess for the production of bisphenol ACHIYODA CHEM ENG CONSTRUCT CO·Filed 1994·Granted Jan 17, 1995·13 cites·6 claims
- 1477US5382711AProcess for the production of bishenol ACHIYODA CHEM ENG CONSTRUCT CO·Filed 1994·Granted Jan 17, 1995·12 cites·3 claims
- 1577US5371304AProcess for the production of bisphenol ACHIYODA CHEM ENG CONSTRUCT CO·Filed 1994·Granted Dec 6, 1994·13 cites·6 claims
- 1675US11124466B2Production of light alkenes from alkaneUNIV KING FAHD PET & MINERALS·Filed 2019·Granted Sep 21, 2021·1 cites·19 claims
- 1775US5399784AProcess for the production of bisphenol ACHIYODA CHEM ENG CONSTRUCT CO·Filed 1993·Granted Mar 21, 1995·15 cites·3 claims
- 1874US4367165ACatalyst for hydrotreating heavy hydrocarbon oils and method of preparing sameCHIYODA CHEM ENG CONSTRUCT CO·Filed 1980·Granted Jan 4, 1983·21 cites·16 claims
- 1973US7728046B2Process for producing liquefied petroleum gasJAPAN GAS SYNTHESIZE LTD·Filed 2005·Granted Jun 1, 2010·3 cites·9 claims
- 2071US6312660B1Process for preparing synthesis gasCHIYODA CHEM ENG CONSTRUCT CO·Filed 1998·Granted Nov 6, 2001·32 cites·6 claims
- 2170US6616905B1Desulfurization of exhaust gases using activated carbon catalystCHIYODA CHEM ENG CONSTRUCT CO·Filed 1999·Granted Sep 9, 2003·36 cites·14 claims
- 2269US10549267B2Zeolite catalysts, methods for producing zeolite catalysts, and methods for producing lower olefinsCHIYODA CORP·Filed 2019·Granted Feb 4, 2020·0 cites·3 claims
- 2369US5569594ATransesterification with lipase immobilized on a polymer containing epoxy and tertiary amino groupsNISSHIN OIL MILLS LTD·Filed 1995·Granted Oct 29, 1996·25 cites·21 claims
- 2464US11123715B2Mesoporous composite catalysts containing bismuth silicate and transition metal oxideUNIV KING FAHD PET & MINERALS·Filed 2019·Granted Sep 21, 2021·0 cites·20 claims
- 2561US6376423B2Catalyst for preparation of synthesis gas and process for preparing carbon monoxideCHIYODA CHEM ENG CONSTRUCT CO·Filed 1998·Granted Apr 23, 2002·21 cites·11 claims
- 2660US4439312ACatalyst for hydrotreating heavy hydrocarbon oils, method of preparing same and process for hydrotreating heavy hydrocarbon oilsASAOKA SACHIO·Filed 1982·Granted Mar 27, 1984·14 cites·8 claims
- 2760US2009042717A1Catalyst for lpg productionJAPAN GAS SYNTHESIZE LTD·Filed 2007·Application pending·0 cites
- 2859US2017282165A1Zeolite catalysts, methods for producing zeolite catalysts, and methods for producing lower olefinsCHIYODA CORP·Filed 2017·Application pending·0 cites
- 2957US4326991AProcess for preparing a catalyst for hydrotreatment of heavy hydrocarbon oilsCHIYODA CHEM ENG CONSTRUCT CO·Filed 1979·Granted Apr 27, 1982·11 cites·4 claims
- 3056US9821301B2Zeolite catalysts, methods for producing zeolite catalysts, and methods for producing lower olefinsCHIYODA CORP·Filed 2013·Granted Nov 21, 2017·0 cites·6 claims
- 3153US7432410B2Production of LPG containing propane or butane from dimethyl ether or methanolJAPAN GAS SYNTHESIZE LTD·Filed 2004·Granted Oct 7, 2008·4 cites·12 claims
- 3248US2020188888A1Mesoporous silica supported catalyst for oxidative dehydrogenationUNIV KING FAHD PET & MINERALS·Filed 2018·Application pending·0 cites
- 3345US5300699AProcess for preparing bisphenol A of good heat stabilityNIPPON STEEL CHEMICAL CO·Filed 1993·Granted Apr 5, 1994·3 cites·9 claims
- 3444US5445955AImmobilization of lipase on a polymer carrier containing epoxy and tertiary amino groupsNISSHIN OIL MILLS LTD·Filed 1993·Granted Aug 29, 1995·7 cites·15 claims
- 3543US5371302AProcess for preparing prilled bisphenol ANIPPON STEEL CHEMICAL CO·Filed 1993·Granted Dec 6, 1994·3 cites·6 claims
- 3642US2022017436A1Separation of olefin components from a mixture of butanes and butenes using distillation and adsorbentsSABIC GLOBAL TECHNOLOGIES BV·Filed 2019·Application pending·0 cites
- 3739US2006242904A1Catalyst for producing liquefied petroleum gas, process for producing the same, and process for producing liquefied petroleum gas with the catalystFUJIMOTO KAORU·Filed 2004·Application pending·0 cites
- 3838US2008319245A1Catalyst and Process for Producing Liquefied Petroleum GasFUJIMOTO KAORU·Filed 2005·Application pending·0 cites
- 3935US2007004954A1Method for producing liquefied petroleum gasASAOKA SACHIO·Filed 2004·Application pending·0 cites
- 4034US2011201860A1Process for conversion of alkanes to aromaticsAKHTAR MUHAMMAD NASEEM·Filed 2010·Application pending·0 cites
- 4132US6323385B1Wet type method of rendering dioxins innoxiousCHIYODA CHEM ENG CONSTRUCT CO·Filed 1998·Granted Nov 27, 2001·4 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Sachio Asaoka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →