% Expired Patents = 80.0

Forward Citations = 4

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18 inventors (with patents filed for the assignee):

Tai-Shan Liao (2 out of 23 patents)

Yu-Hsin Lin (1 out of 72 patents)

Rong-Yuan Jou (1 out of 4 patents)

4. Jyh-Shin Chen (1 out of 10 patents)

5. Feng-Chang Hsu (1 out of 3 patents)

6. Sheng-Wen Chen (1 out of 2 patents)

7. Hui-Ling Kao (1 out of 2 patents)

8. Yu-Sheng Kung (1 out of 2 patents)

9. Yi-Chiuen Hu (1 out of 4 patents)

10. Tai Shan Liao (1 out of 2 patents)

11. Long-Jeng Lee (1 out of 2 patents)

12. Chi-Hung Hwang (1 out of 1 patent)

13. Ji-Jur Huang (1 out of 1 patent)

14. Jung-Hsing Wang (1 out of 1 patent)

15. Fong-Zhi Chen (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 8028389 - Method for fabricating a surface acoustic wave device (2011-10-04),

2. 7443368 - Circuit apparatus for driving light emitting diode with low voltage (2008-10-28),

3. 7145294 - Detecting apparatus for cold cathode lamp (2006-12-05),

4. 7112930 - Device and method for detecting high voltage (2006-09-26),

5. 6057620 - Geometrical structure configuration of maglev forces in a maglev (2000-05-02),

Company Overview

Precision Instrument Development Center (PIDC) is a leading provider of high-quality instruments and equipment for various industries. With over 20 years of experience, we specialize in developing precision tools for scientific research, medical testing, and industrial applications. Our team of skilled engineers and technicians are dedicated to providing innovative solutions that meet the unique needs of our customers. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#354 in Hsinchu

#2,368 in Taiwan

Hsinchu, Taiwan

Precision Instrument Development Center

Forward Citations = 4

18 inventors:

Tai-Shan Liao (2 out of 23 patents)

Yu-Hsin Lin (1 out of 72 patents)

Rong-Yuan Jou (1 out of 4 patents)

4. Jyh-Shin Chen (1 out of 10 patents)

5. Feng-Chang Hsu (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Precision Instrument Development Center. Retrieved from https://idiyas.com/company/precision-instrument-development-center

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

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]