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Takeshi Shiojima
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Semiconductor laser element, semiconductor etchant, and method of f...
Patent number
6,853,664
Issue date
Feb 8, 2005
The Furukawa Electric Co., Ltd.
Takeshi Shiojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser element, semiconductor etchant, and method of f...
Patent number
6,549,554
Issue date
Apr 15, 2003
The Furukawa Electric Co., Ltd.
Takeshi Shiojima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor laser element, semiconductor etchant, and method of f...
Publication number
20030152123
Publication date
Aug 14, 2003
THE FURUKAWA ELECTRIC CO., LTD.
Takeshi Shiojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser element, semiconductor etchant, and method of f...
Publication number
20010038654
Publication date
Nov 8, 2001
THE FURUKAWA ELECTRIC CO., LTD.
Takeshi Shiojima
H01 - BASIC ELECTRIC ELEMENTS