Inventor

Keiichi Fukuyama

Inventor

Tottori, JP

Overview

1→

Patents

1987

Patent span

Chemistry

Primary field (CPC C)

Patents· 1 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds50%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium50%

PatentTitleYear

4,705,895'5,5\'-diamino or 5,5\'-diacetamido-2,2\'-bis(diphenylphosphino)-1,1\'-binaphthyls'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to TAKASAGO PERFUMERY CO LTD (1)· patent assignee history

1987Based in Tottori, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAKASAGO PERFUMERY CO LTD	1	1987

Locations

Location	Patents	Span
Tottori, JP	1	1987