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Hisaya Fukunaga
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Miyazaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for etching disk-like member
Patent number
7,494,597
Issue date
Feb 24, 2009
Sumco Techxiv Corporation
Tadamitsu Miyazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Air blow apparatus for a semiconductor wafer
Patent number
6,018,884
Issue date
Feb 1, 2000
Komatsu Electronic Metals Co., Ltd.
Hisaya Fukunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing a semiconductor wafer and a cleaning apparatus...
Patent number
5,922,137
Issue date
Jul 13, 1999
Komatsu Electronic Metals Co., Ltd.
Hisaya Fukunaga
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Basket for cleaning semiconductor wafers and method of cleaning sem...
Patent number
5,908,042
Issue date
Jun 1, 1999
Komatsu Electronic Metals Co., Ltd.
Hisaya Fukunaga
B08 - CLEANING
Information
Patent Grant
Method of cutting semiconductor ingots and apparatus for cutting th...
Patent number
5,875,770
Issue date
Mar 2, 1999
Komatsu Electronic Metals Co., Ltd.
Hisaya Fukunaga
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for fabricating a semiconductor wafer
Patent number
5,849,636
Issue date
Dec 15, 1998
Komatsu Electronic Metals Co., Ltd.
Takamitsu Harada
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for etching disk-like member
Publication number
20070017901
Publication date
Jan 25, 2007
Komatsu Denshi Kinzoku Kabushiki Kaisha
Tadamitsu Miyazaki
H01 - BASIC ELECTRIC ELEMENTS