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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
02/28/1995
Application #:
08123069
Filing Dt:
09/17/1993
Inventor:
KENICHI HIBINO
Title:
METHOD OF FABRICATING DIFFRACTION GRATING USING HYPERBOLIC GRATINGS AND AN APPARATUS FOR CARRYING OUT THE METHOD
Assignment: 1
Reel/Frame:
007221/0730Recorded: 11/28/1994Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/09/1993
Assignee:
3-1 KASUMIGASEKI 1 CHOME, CHIYODA-KU
TOKYO, JAPAN
Correspondent:
MARVIN J. SPIVAK
OBLON, SPIVAK, MCCLELLAND ET AL.
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:
008907/0060Recorded: 01/13/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/10/1997
Exec Dt:
10/28/1997
Assignee:
3-1 KASUMIGASEKI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
Correspondent:
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL.
VINCENT J. SUNDERDICK
1755 JEFFERSON DAVIS HIGHWAY, FOURTH FLR
ARLINGTON, VIRGINIA 22202

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