LexDanaLexDanabeta
Inventor

Michihisa Muramatsu

Inventor
Osaka, JP

Overview

3→
Patents
1985–1986
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

C07Dprimary
C07DHeterocyclic compounds50%
A61KPreparations for medical, dental or toiletry purposes25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
PatentTitleYear
4,610,986'Aminonaphthacene derivatives and their production'19864,545,936'Novel aminonaphthacene derivatives and process for preparation thereof'19854,540,695'Aminonaphthacene derivatives and their use'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to SUMITOMO CHEMICAL CO (3)· patent assignee history
1985–1986Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO31985–1986
Locations
LocationPatentsSpan
Osaka, JP31985–1986