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Takahiro Ide
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Diamond ultraviolet light-emitting device
Patent number
7,009,219
Issue date
Mar 7, 2006
Tokyo Gas Co., Ltd.
Takefumi Ishikura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Patent Grant
Diamond ultraviolet luminescent element
Patent number
6,872,981
Issue date
Mar 29, 2005
Tokyo Gas Co., Ltd.
Kenji Horiuchi
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Thin film deposition method and gas sensor made by the method
Patent number
5,821,402
Issue date
Oct 13, 1998
Tokyo Gas Co., Ltd.
Yuichiro Okajima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
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Patent Application
Fuel Cell System and Method of Reprocessing Off-Gas
Publication number
20210399321
Publication date
Dec 23, 2021
TOKYO GAS CO., LTD.
Kazuo NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS