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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
5117109
Issue Dt:
05/26/1992
Application #:
07578267
Filing Dt:
09/06/1990
Inventors:
NAOKI ASAKAWA, HIROSHI OHE, YUTAKA YOSHIDA, TADASHI SATO, YUKUO NEZU, YOSHIYA ODA
Title:
EXCHANGE METHOD OF MOBILE PHASE IN HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY MASS SPECTROMETRY AND ITS APPARATUS
Assignment: 1
Reel/Frame:
005433/0821Recorded: 09/06/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
ASAKAWA, NAOKI
Exec Dt:
07/20/1990
OHE, HIROSHI
Exec Dt:
07/20/1990
YOSHIDA, YUTAKA
Exec Dt:
07/20/1990
SATO, TADASHI
Exec Dt:
07/20/1990
NEZU, YUKUO
Exec Dt:
07/20/1990
ODA, YOSHIYA
Exec Dt:
08/29/1990
Assignee:
EISAI CO., LTD., A CORP. OF JAPAN
NO. 6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU TOKYO, JAPAN
Correspondent:
FRED S. WHISENHUNT
GRIFFIN, BRANIGAN & BUTLER
P.O. BOX 2326
ARLINGTON, VA 22003
Assignment: 2
Reel/Frame:
018972/0624Recorded: 03/08/2007Pages: 13
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
EISAI CO., LTD.
Exec Dt:
11/20/2006
Assignee:
EISAI R&D MANAGEMENT CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Correspondent:
DAVID J. CUSHING - SUGHRUE MION PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C, DC 20037

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