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Masayasu Hirata
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Shizuoka, JP
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for welding shroud glass tube in arc tube for...
Patent number
7,294,035
Issue date
Nov 13, 2007
Koito Manufacturing Co., Ltd.
Masayasu Hirata
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Method and apparatus for welding shroud glass tube in arc tube for...
Publication number
20050255783
Publication date
Nov 17, 2005
KOITO MANUFACTURING CO., LTD.
Masayasu Hirata
H01 - BASIC ELECTRIC ELEMENTS