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Naoki Yamada
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Miyazaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for appraising the condition of a semiconductor polishing cloth
Patent number
6,495,465
Issue date
Dec 17, 2002
Komatsu Electronic Metals Co., Ltd.
Yuichi Nakayoshi
B24 - GRINDING POLISHING
Information
Patent Grant
Gasket for use in a container
Patent number
5,971,191
Issue date
Oct 26, 1999
Komatsu Electronic Metals Co., Ltd.
Naoki Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making semiconductor wafers and semiconductor wafers made...
Patent number
5,747,364
Issue date
May 5, 1998
Komatsu Electronic Metals Co., Ltd.
Nobuyuki Akiyama
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Semiconductor wafer case
Patent number
5,725,100
Issue date
Mar 10, 1998
Komatsu Electronic Metals Co., Ltd.
Naoki Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR APPRAISING THE CONDITION OF A SEMICONDUCTOR POLISHING CLOTH
Publication number
20010026948
Publication date
Oct 4, 2001
YUICHI NAKAYOSHI
B24 - GRINDING POLISHING