Inventor

Mamoru Shirahata

Inventor

Oita, JP

Overview

3→

Patents

1997–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium67%

C07DHeterocyclic compounds33%

PatentTitleYear

6,635,770'Process for producing hexahydrothieno (3,4-D)immidazole-2,4-diones'2003 5,684,174'Method for purifying O, S-dimethyl N-acetylphosphoramidothioate'1997 5,616,769'Method for purifying O,S-dimethyl N-acetylphosphoramidothioate'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2003Patents assigned to SUMITOMO CHEMICAL CO (3)· patent assignee history

1997–2003Based in Oita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	3	1997–2003

Locations

Location	Patents	Span
Oita, JP	3	1997–2003