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Nagano, JP
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last 30 patents
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Patent Grant
Information recording disk having a stepped central recess and hub...
Patent number
5,504,735
Issue date
Apr 2, 1996
Seiko Epson Corporation
Tsutomu Ota
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film color filter for liquid crystal display
Patent number
5,395,678
Issue date
Mar 7, 1995
Seiko Epson Corporation
Fumiaki Matsushima
G02 - OPTICS
Information
Patent Grant
Information recording disk
Patent number
5,265,086
Issue date
Nov 23, 1993
Seiko Epson Corporation
Tsutomu Ota
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for forming a thin film device
Patent number
5,242,558
Issue date
Sep 7, 1993
Seiko Epson Corporation
Fumiaki Matsushima
G02 - OPTICS
Information
Patent Grant
Thin film device and method of manufacture
Patent number
5,240,797
Issue date
Aug 31, 1993
Seiko Epson Corporation
Fumiaki Matsushima
G02 - OPTICS