Inventor

Hideo Nagata

Inventor
Ibaraki, JP

Overview

4→
Patents
1981–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 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 preparations25%
C07DHeterocyclic compounds25%
C07CAcyclic or carbocyclic compounds13%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to TOKYO OHKA KOGYO CO LTD (1)· patent assignee history
1981Based in Samukawa, JP· patent location history
1989Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
1989Based in Chiba, JP· patent location history
1991Patents assigned to KISSEI PHARMACEUTICAL (1)· patent assignee history
1991Based in Nagano, JP· patent location history
1993Patents assigned to SUMITOMO PHARMA (1)· patent assignee history
1993Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KISSEI PHARMACEUTICAL11991
SUMITOMO CHEMICAL CO11989
SUMITOMO PHARMA11993
TOKYO OHKA KOGYO CO LTD11981
Locations
LocationPatentsSpan
Ibaraki, JP11993
Nagano, JP11991
Chiba, JP11989
Samukawa, JP11981