LexDanaLexDanabeta
Inventor

Sachio Asaoka

Inventor
Yokohama, JP

Overview

33→
Patents
1982–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry22%
C07CAcyclic or carbocyclic compounds20%
C10GCracking hydrocarbon oils14%
Y02PClimate change mitigation technologies in the production or processing of goods11%
C01BNon-metallic elements8%
C10LFuels not otherwise provided for4%
B01DSeparation3%
B82YSpecific uses or applications of nanostructures3%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
PatentTitleYear
11,123,715Mesoporous composite catalysts containing bismuth silicate and transition metal oxide202111,124,466Production of light alkenes from alkane202110,549,267Zeolite catalysts, methods for producing zeolite catalysts, and methods for producing lower olefins20209,821,301'Zeolite catalysts, methods for producing zeolite catalysts, and methods for producing lower olefins'20177,728,046'Process for producing liquefied petroleum gas'20107,432,410'Production of LPG containing propane or butane from dimethyl ether or methanol'20087,297,825'Catalyst and process for LPG production'20076,616,905'Desulfurization of exhaust gases using activated carbon catalyst'20036,376,423'Catalyst for preparation of synthesis gas and process for preparing carbon monoxide'20026,340,437'Process for preparing synthesis gas by autothermal reforming'20026,323,385'Wet type method of rendering dioxins innoxious'20016,312,660'Process for preparing synthesis gas'20015,569,594'Transesterification with lipase immobilized on a polymer containing epoxy and tertiary amino groups'19965,445,955'Immobilization of lipase on a polymer carrier containing epoxy and tertiary amino groups'19955,436,362'Method of producing dialkylcarbonate'19955,399,784'Process for the production of bisphenol A'19955,382,712'Process for the production of bisphenol A'19955,382,711'Process for the production of bishenol A'19955,371,304'Process for the production of bisphenol A'19945,371,302'Process for preparing prilled bisphenol A'19945,345,000'Process for the production of crystalline adduct of bisphenol A and phenol and apparatus therefor'19945,334,755'Process for the production of acetic acid from methanol and carbon monoxide using supported rhodium catalyst'19945,324,867'Process for the production of bisphenol A.'19945,300,699'Process for preparing bisphenol A of good heat stability'19944,950,824'Process for the production of 2,6-diisopropylnaphthalene'19904,562,059'Method of preparing alumina'19854,555,394'Process for the preparation of alumina'19854,444,655'Hydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts therefor'19844,439,312'Catalyst for hydrotreating heavy hydrocarbon oils, method of preparing same and process for hydrotreating heavy hydrocarbon oils'19844,424,142'Catalyst for hydrotreatment of heavy hydrocarbon oils'19844,422,960'Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes'19834,367,165'Catalyst for hydrotreating heavy hydrocarbon oils and method of preparing same'19834,326,991'Process for preparing a catalyst for hydrotreatment of heavy hydrocarbon oils'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2003Patents assigned to CHIYODA CHEM ENG CONSTRUCT CO (25)· patent assignee history
1982–2020Based in Yokohama, JP· patent location history
1984–1995Based in Kanagawa, JP· patent location history
1994Patents assigned to NIPPON STEEL CHEMICAL CO (2)· patent assignee history
1995–1996Patents assigned to NISSHIN OIL MILLS LTD (2)· patent assignee history
2007–2010Patents assigned to JAPAN GAS SYNTHESIZE LTD (3)· patent assignee history
2007–2008Based in Fukuoka, JP· patent location history
2010Based in Kitakyushu, JP· patent location history
2017–2020Patents assigned to CHIYODA CORP (2)· patent assignee history
2021Based in Dhahran, SA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHIYODA CHEM ENG CONSTRUCT CO251982–2003
JAPAN GAS SYNTHESIZE LTD32007–2010
CHIYODA CORP22017–2020
NIPPON STEEL CHEMICAL CO21994
NISSHIN OIL MILLS LTD21995–1996
Locations
LocationPatentsSpan
Yokohama, JP261982–2020
Dhahran, SA22021
Fukuoka, JP22007–2008
Kanagawa, JP21984–1995
Kitakyushu, JP12010