Inventor

Koju Watanabe

Inventor
Saitama, JP

Overview

8→
Patents
1991–2003
Patent span
Human necessities
Primary field (CPC A)

Patents· 8 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations37%
A61KPreparations for medical, dental or toiletry purposes32%
C07DHeterocyclic compounds16%
C07HSugars11%
Y02PClimate change mitigation technologies in the production or processing of goods5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2003Patents assigned to KUREHA CHEMICAL IND CO LTD (8)· patent assignee history
1991Based in Sakado, JP· patent location history
1995–2003Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KUREHA CHEMICAL IND CO LTD81991–2003
Locations
LocationPatentsSpan
Saitama, JP71995–2003
Sakado, JP11991