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Shinshi Kuno
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Yokohama-shi, JP
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last 30 patents
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Patent Grant
Optical transmission system and optical transmission apparatus used...
Patent number
6,748,173
Issue date
Jun 8, 2004
Matsushita Electric Industrial Co., Ltd.
Yoshikazu Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
Optical transmission system and optical transmission apparatus used...
Publication number
20010008451
Publication date
Jul 19, 2001
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Yoshikazu Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE