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Jian Zhou
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Hole-assisted single mode optical fiber
Patent number
7,228,040
Issue date
Jun 5, 2007
Nippon Telegraph and Telephone Corporation
Kazuhide Nakajima
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Single mode optical fiber with electron vacancies
Publication number
20060045448
Publication date
Mar 2, 2006
Kazuhide Nakajima
G02 - OPTICS