Inventor

Yoji Yamagishi

Inventor

Ibaraki, JP

Overview

1996–1997

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C07Dprimary

C07DHeterocyclic compounds36%

C07CAcyclic or carbocyclic compounds32%

Y02PClimate change mitigation technologies in the production or processing of goods32%

PatentTitleYear

5,700,938'Intermediates for imidazopyridine derivatives'1997 5,637,716'Processes for the preparation of hydroquinone and benzoquinone derivatives'1997 5,618,969'Intermediates for imidazopyridines'1997 5,608,068'Process for the preparation of imidazopyridine derivatives and intermediates'1997 5,587,504'Sulfonyloxy-biphenylcarboxylic ester derivatives which are intermediates'1996 5,583,229'Process for the preparation of imidazopyridine derivatives'1996 5,559,236'Intermediates for substituted biphenylmethylmidazopyridine angiotensin II antagonists'1996 5,557,002'Process for the preparation of biphenyl containing intermediates useful in making angiotensin II receptor antagonists'1996 5,554,757'Process for the preparation of imidazopyridine derivatives, and intermediates therefore'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to EISAI CO LTD (9)· patent assignee history

1996–1997Patents assigned to EISAI KAGAKU KK (6)· patent assignee history

1996–1997Based in Ibaraki, JP· patent location history

1997Patents assigned to EISAI CHEMICAL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EISAI CO LTD	9	1996–1997
EISAI KAGAKU KK	6	1996–1997
EISAI CHEMICAL	1	1997

Locations

Location	Patents	Span
Ibaraki, JP	9	1996–1997