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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
5744401
Issue Dt:
04/28/1998
Application #:
08620195
Filing Dt:
03/22/1996
Inventors:
HIROSHI SHIRAI, JUN YOSHIKAWA, YOUJI OGAWA, KAZUHIKO KASHIMA, KAZUYA OOKUBO et al
Title:
SILICON WAFER MANUFACTURING METHOD ELIMINATING FINAL MIRROR-POLISHING STEP
Assignment: 1
Reel/Frame:
007944/0478Recorded: 05/16/1996Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
SHIRAI, HIROSHI
Exec Dt:
05/10/1996
YOSHIKAWA, JUN
Exec Dt:
05/10/1996
OGAWA, YOUJI
Exec Dt:
05/10/1996
KASHIMA, KAZUHIKO
Exec Dt:
05/10/1996
OOKUBO, KAZUYA
Exec Dt:
05/10/1996
KOHTARI, YUKARI
Exec Dt:
05/10/1996
SHIMOI, NORIHIRO
Exec Dt:
05/10/1996
SANADA, MASAYUKI
Exec Dt:
05/10/1996
TOBASHI, SHUJI
Exec Dt:
05/10/1996
Assignee:
TOSHIBA CERAMICS CO., LTD.
26-2, NISHI-SHINJUKU, 1-CHOME, SHINJUKU-KU
TOKYO, JAPAN
Correspondent:
FINNEGAN, HENDERSON, FARABOW ET AL
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 2
Reel/Frame:
019817/0749Recorded: 09/13/2007Pages: 17
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
TOSHIBA CERAMICS CO., LTD.
Exec Dt:
06/01/2007
Assignee:
COVALENT MATERIALS CORPORATION
6-3, OHSAKI 1-CHOME, SHINAGAWA-KU
TOKYO, JAPAN
Correspondent:
DAVID J. CUSHING - SUGHRUE MION PLLC
20-20, KAIGAN 3-CHOME, MINATO-KU
SUITE 800
WASHINGTON, D.C, DC 20037

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