For the Inventor, By the Inventor

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San Jose, CA, United States of America

Rainbow Communications, Inc

USPTO Granted Patents = 3

% Expired Patents = 66.7

Forward Citations = 27

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5 inventors (with patents filed for the assignee):

Zhanxiang Zhang (3 out of 5 patents)

Shijie Gu (2 out of 11 patents)

Dong Xu (1 out of 7 patents)

4. Wei Qiu (1 out of 1 patent)

5. Jianmin Gao (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7147386 - MEMS based handheld fiber optic connector cleaner (2006-12-12),

2. 7133202 - Method and system for flexible and cost effective dynamic tilt gain equalizer (2006-11-07),

3. 6909820 - 2×2 fiber optic switch with reflective element (2005-06-21),

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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#975 in San Jose, CA

#16,823 in California

#73,716 in US

San Jose, CA, United States of America

Rainbow Communications, Inc

Forward Citations = 27

5 inventors:

Zhanxiang Zhang (3 out of 5 patents)

Shijie Gu (2 out of 11 patents)

Dong Xu (1 out of 7 patents)

4. Wei Qiu (1 out of 1 patent)

5. Jianmin Gao (1 out of 1 patent)

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