Inventor

Shigeyuki Tsunakawa

Inventor

Tokyo, JP

Overview

3→

Patents

2002–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

C12Nprimary

C12NMicroorganisms or enzymes60%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture40%

PatentTitleYear

6,962,812'Culture medium for culture of animal cell and method for producing protein using same'2005 6,537,782'Media for culturing animal cells and process for producing protein by using the same'2003 6,406,909'Serum-free medium for culturing animal cells'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2005Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (3)· patent assignee history

2002Patents assigned to IRVINE SCIENT SALES COMPANY (1)· patent assignee history

2002–2005Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHUGAI PHARMACEUTICAL CO LTD	3	2002–2005
IRVINE SCIENT SALES COMPANY	1	2002

Locations

Location	Patents	Span
Tokyo, JP	3	2002–2005