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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
09/29/1992
Application #:
07723178
Filing Dt:
06/28/1991
Inventors:
SHIGEKI MURAMATSU, SHINJI TAKASUGI, KAZUMI OSATO
Title:
THREE-DIMENSIONAL DETECTION SYSTEM FOR DETECTING FRACTURES AND THEIR DISTRIBUTIONS IN THE EARTH CRUST UTILIZING AN ARTIFICIAL MAGNETIC FIELD AND MAGNETIC PARTICLE TRACER
Assignment: 1
Reel/Frame:
005762/0666Recorded: 06/28/1991Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
06/03/1991
Exec Dt:
06/03/1991
Exec Dt:
06/03/1991
Assignee:
11-7, KABUTO-CHO, NIHONBASHI, CHUO-KU, TOKYO 103, JAPAN
JAPAN
Correspondent:
OBLON, SPIVAK, MC CLELLAND, MAIER AND
NEUSTADT
1755 JEFFERSON DAVIS HWY., 4TH FL.
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:
009570/0655Recorded: 11/12/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/07/1998
Assignee:
SUNSHINE 60 BLDG., 3-1-1 HIGASHI IKEBUKURO TOSHIMA-KU
TOKYO 170, JAPAN
Correspondent:
OBLON, SPIVAK ET AL
ATTORNEYS AT LAW
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FL.
ARLINGTON, VIRGINIA 22202

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