Inventor

Takeo Katsushima

Inventor
Kyoto, JP

Overview

8→
Patents
1988–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C07Dprimary
C07DHeterocyclic compounds32%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations26%
C07CAcyclic or carbocyclic compounds26%
C07BGeneral methods of organic chemistry11%
A61KPreparations for medical, dental or toiletry purposes5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1991Patents assigned to TOYO BOSEKI (4)· patent assignee history
1988–1991Based in Kyoto, JP· patent location history
1990Based in Nashville, TN, US· patent location history
1997–2007Patents assigned to JAPAN TOBACCO INC (4)· patent assignee history
1997Based in Ohtsu, JP· patent location history
2001Based in Osaka, JP· patent location history
2005–2007Based in Takatsuki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN TOBACCO INC41997–2007
TOYO BOSEKI41988–1991
Locations
LocationPatentsSpan
Kyoto, JP31988–1991
Takatsuki, JP22005–2007
Osaka, JP12001
Ohtsu, JP11997
Nashville, TN, US11990