Inventor

Kazuhiko Tanzawa

Inventor
Tokyo, JP

Overview

5→
Patents
1982–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
C07DHeterocyclic compounds18%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture14%
C12NMicroorganisms or enzymes9%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
A22CProcessing meat, poultry, or fish5%
A61KPreparations for medical, dental or toiletry purposes5%
C07CAcyclic or carbocyclic compounds5%
C07HSugars5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2004Patents assigned to SANKYO CO (5)· patent assignee history
1982Based in Hiromachi, JP· patent location history
1992–1997Based in Tokyo, JP· patent location history
2004Based in Koganei, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANKYO CO51982–2004
Locations
LocationPatentsSpan
Tokyo, JP31992–1997
Koganei, JP12004
Hiromachi, JP11982