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Patent Assignment Details
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Reel/Frame:010234/0428   Pages: 2
Recorded: 09/14/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
02/03/2004
Application #:
09361158
Filing Dt:
07/27/1999
Title:
METHOD AND APPARATUS FOR DRY-ETCHING HALF-TONE PHASE-SHIFT FILMS HALF-TONE PHASE-SHIFT PHOTOMASKS AND METHOD FOR THE PREPARATION THEREOF AND SEMICONDUCTOR CIRCUITS AND METHOD FOR THE FABRICATION THEREOF
Assignors
1
Exec Dt:
07/29/1999
2
Exec Dt:
07/29/1999
Assignees
1
2804, OAZA TERAO, CHICHIBU-SHI
SAITAMA-KEN 368-0056, JAPAN
2
2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO 100-8310, JAPAN
Correspondence name and address
NIKAIDO, MARMELSTEIN, MURRAY & ORAM LLP
CHARLES M. MARMELSTEIN
METROPOLITAN SQUARE, 655 15TH ST., NW
SUITE 330-G STREET LOBBY
WASHINGTON, DC 20005-5701

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