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Inventor

Kiyoshi Ikimi

Inventor
Oita, JP

Overview

13→
Patents
1982–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds57%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry26%
C07DHeterocyclic compounds9%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals9%
PatentTitleYear
6,120,653'Separation and purification method of t-butyl-methylphenol isomer'20005,600,026'Process for production of cresols'19975,399,791'Process for production of cresols'19955,202,515'Process for preparing alkyl-substituted aromatic hydrocarbons'19935,118,895'Process for preparing alkyl-substituted aromatic hydrocarbon'19925,097,088'Process for preparing alkyl-substituted aromatic hydrocarbon'19925,043,507'Process for preparing alkyl-substituted aromatic hydrocarbons'19914,962,254'Process for preparing alkyl-substituted aromatic hydrocarbons'19904,709,112'Process for dimerizing lower .alpha.-olefins'19874,340,544'Process for producing 2-(2\'-methyl-1\'-propenyl)-4-methyltetrahydropyran'19824,338,467'Process for preparing arylacetaldehydes'19824,317,918'Process for preparing alcohols'19824,312,717'Process for producing 2-(2\'-methyl-1\'-propenyl)-4-methyltetrahydropyran'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2000Patents assigned to SUMITOMO CHEMICAL CO (12)· patent assignee history
1982Based in Kyoto, JP· patent location history
1987–1993Based in Otokuni-gun, JP· patent location history
1992–2000Based in Oita, JP· patent location history
1995Patents assigned to SUITOMO CHEMICAL COMPANY LIMIT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO121982–2000
SUITOMO CHEMICAL COMPANY LIMIT11995
Locations
LocationPatentsSpan
Oita, JP51992–2000
Otokuni-gun, JP41987–1993
Kyoto, JP41982