Inventor

Masaru Atsumi

Inventor

Tokyo, JP

Overview

4→

Patents

2002–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

C12Nprimary

C12NMicroorganisms or enzymes50%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture33%

G11BInformation storage based on relative movement between record carrier and transducer17%

PatentTitleYear

6,962,812'Culture medium for culture of animal cell and method for producing protein using same'2005 6,873,484'Disk drive including perpendicular magnetic recording system with write compensation'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

2005Patents assigned to TOSHIBA KK (1)· patent assignee history

2005Based in Ome, 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
TOSHIBA KK	1	2005

Locations

Location	Patents	Span
Tokyo, JP	3	2002–2005
Ome, JP	1	2005