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Chien-Nan Yu

This inventor holds 10 USPTO granted patents and 4 published patent applications. Top assignee: Primax Electronics Ltd.. Active years: 2011-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chien-Nan Yu. Retrieved from https://idiyas.com/inventor/chien-nan-yu

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 10 (Patent Applications = 4)

% Patents Active = 20.0

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 18(Granted Patents)

Location History:

Guangzhou, CN (2012)
Taipei, TW (2011 - 2014)

Company Filing History:

10 out of 1,129

Primax Electronics Ltd.

Years Active: 2011-2014

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8917878 - Microphone inspection method (2014-12-23),

2. 8736686 - Method for judging whether lens and sensing element of image pickup device are parallel (2014-05-27),

3. 8510938 - Method for assembling camera module (2013-08-20),

4. 8432453 - Method and system of starting snapping static scene (2013-04-30),

5. 8368872 - Method for determining planting ball number of camera module (2013-02-05),

6. 8189942 - Method for discriminating focus quality of image pickup device (2012-05-29),

7. 8169532 - Portable electronic device and method for measuring distance by performing auto focus function (2012-05-01),

8. 8077254 - Portable camera having lens assembly switching mechanism (2011-12-13),

9. 7949240 - Portable camera device (2011-05-24),

10. 7944684 - Notebook computer with document holding function (2011-05-17),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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