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Inventor

Yoshio Tanabe

Inventor
Saitama, JP

Overview

7→
Patents
1976–1996
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
A61KPreparations for medical, dental or toiletry purposes25%
C07DHeterocyclic compounds25%
A61QSpecific use of cosmetics or similar toiletry preparations17%
PatentTitleYear
5,560,907'Whitening embellisher'19965,427,775'Whitening embellisher'19954,639,450'Polyprenylcarboxylic acid morpholides and pharmaceutical compositions'19874,571,408'.alpha.,.beta.-Dihydropolyprenyl derivatives for treating hepatitis'19864,481,217'.alpha.,.beta.-Dihydropolyprenyl derivatives useful in treating hepatitis'19844,456,603'Polyprenylcarboxylic acid amides useful for treating liver dysfunction'19843,961,064'Pharmaceutical composition for remedy of hyperammoniemia'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1996Patents assigned to EISAI CO LTD (7)· patent assignee history
1976Based in Fujimi, JP· patent location history
1984–1996Based in Saitama, JP· patent location history
1984Based in Iruma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD71976–1996
Locations
LocationPatentsSpan
Saitama, JP51984–1996
Iruma, JP11984
Fujimi, JP11976