For the Inventor, By the Inventor

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Dobbs Ferry, NY, United States of America

Keystone Fiberoptics Inc.

USPTO Granted Patents = 1

Forward Citations = 2

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1 inventor (with patents filed for the assignee):

Chaoyu Yue (1 out of 5 patents)

1 patent: Sort by Forward Citations

1. 6453094 - All fiber DWDM multiplexer and demultiplexer (2002-09-17),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#11 in Dobbs Ferry, NY

#8,399 in New York

#133,892 in US

Dobbs Ferry, NY, United States of America

Keystone Fiberoptics Inc.

Forward Citations = 2

1 inventor:

Chaoyu Yue (1 out of 5 patents)

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