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Inventor

Ryuhei Wakita

Inventor
Toyonaka, JP

Overview

5→
Patents
1998–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds43%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture29%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%
C12NMicroorganisms or enzymes14%
PatentTitleYear
9,024,054'Process for production of purified O-(2,6-dichloro-4-methyl-phenyl) O,O-dimethyl phosphorothioate'20156,884,607'Process for producing optically active 4-halo-3-hydroxybutanoate'20056,781,009'Method for producing 4-cyano-3-oxobutanoate and 4-ctano-3-hydroxybutanoate'20046,596,898'Process for preparing halogenated cyclopropane derivatives'20035,770,767'Process for producing 2-fluorocyclopropancecarboxlic acid'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2015Patents assigned to SUMITOMO CHEMICAL CO (5)· patent assignee history
1998–2003Patents assigned to DAIICHI SEIYAKU CO (2)· patent assignee history
1998–2015Based in Toyonaka, JP· patent location history
2003Based in Osaka, JP· patent location history
2015Patents assigned to WAKITA RYUHEI (1)· patent assignee history
2015Patents assigned to YAMAUCHI EIJI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO51998–2015
DAIICHI SEIYAKU CO21998–2003
WAKITA RYUHEIself12015
YAMAUCHI EIJI12015
Locations
LocationPatentsSpan
Toyonaka, JP41998–2015
Osaka, JP12003