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For the Inventor, By the Inventor

Hayward, CA, United States of America

Optokey, Inc.


USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Fanqing Frank Chen (2 out of 8 patents)

silverMedal Robert P Chebi (2 out of 23 patents)


2 patents:

1. 9857307 - Elevated surface enhanced Raman spectroscopy resonator structures and method of making same (2018-01-02),
2. 9719931 - Surface enhanced raman spectroscopy resonator structures and methods of making same (2017-08-01),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#133 in Hayward, CA

#20,971 in California

#94,722 in US

Hayward, CA (US)
Hayward, CA, United States of America

Optokey, Inc.

Forward Citations = 3

2 inventors:

goldMedal Fanqing Frank Chen (2 out of 8 patents)

silverMedal Robert P Chebi (2 out of 23 patents)

Please report any incorrect information to [email protected]
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