LexDanaLexDanabeta
Inventor

Tatsuharu Arai

Inventor
Kanagawa, JP

Overview

13→
Patents
1993–2008
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 compounds63%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
Y02PClimate change mitigation technologies in the production or processing of goods11%
B01DSeparation5%
C01BNon-metallic elements5%
C07DHeterocyclic compounds5%
PatentTitleYear
7,468,466'Process for producing hexafluoroethane and use thereof'20086,752,975'Combustion exhaust gas treatment process and treatment apparatus'20046,414,204'Process for producing allyl chloride'20026,274,782'Method for purifying hexafluoroethane'20016,118,030'Process for producing dichloroacetoxypropane and derivatives thereof'20005,892,134'Method for producing perfluorocarbon'19995,714,648'Process for producing tetrafluoromethane'19985,710,351'Process for producing hexafluoroethane'19985,675,046'Process for producing perfluorocarbon'19975,382,724'Process for purifying 1,1,1,2-tetrafluoroethane'19955,345,015'Process for producing 1,1,2-tetrafluoroethane'19945,276,223'Process for producing 1,1,1,2-tetrafluoroethane'19945,227,541'Purification of 2,3-dichloro-1-propanol'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2004Patents assigned to SHOWA DENKO KK (12)· patent assignee history
1993–1994Based in Tokyo, JP· patent location history
1994–1999Based in Kanagawa, JP· patent location history
2000–2008Based in Kawasaki, JP· patent location history
2008Patents assigned to SHOW A DENKO K K (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK121993–2004
SHOW A DENKO K K12008
Locations
LocationPatentsSpan
Kanagawa, JP61994–1999
Kawasaki, JP52000–2008
Tokyo, JP21993–1994