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Inventor

Kazaharu Tamazawa

Inventor
Saitama, JP

Overview

2→
Patents
1980–1983
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Dprimary
C07DHeterocyclic compounds100%
PatentTitleYear
4,414,153'1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivatives'19834,198,339'1,3-Dithietane-2-carboxylic acids and the preparation thereof'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1983Patents assigned to YAMANOUCHI PHARMA CO LTD (2)· patent assignee history
1980–1983Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMANOUCHI PHARMA CO LTD21980–1983
Locations
LocationPatentsSpan
Saitama, JP21980–1983