For the Inventor, By the Inventor

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Hsinchu, Taiwan

Princo Corp.

USPTO Granted Patents = 34

EPO Patents = 18

Trademarks = 3

Forward Citations = 48

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25 inventors (with patents filed for the assignee):

Pei-Liang Chiu (10 out of 10 patents)

Chih-Kuang Yang (8 out of 15 patents)

Chih-kuang Yang (7 out of 16 patents)

4. Chi-Pin Kuo (5 out of 6 patents)

5. Ting-Wei Yang (3 out of 4 patents)

6. Yeong-yan Guu (2 out of 7 patents)

7. Chun-hsiung Chou (2 out of 3 patents)

8. Ying-Che Shih (2 out of 2 patents)

9. Chih-Feng Lin (2 out of 8 patents)

10. Yi-Lin Chu (2 out of 3 patents)

11. Cheng-Hsiung Chen (2 out of 3 patents)

12. Chin-Huang Huang (1 out of 1 patent)

13. Mou-I Lee (1 out of 1 patent)

14. Phou-shen Ou (1 out of 1 patent)

15. Cheng-Yi Chang (1 out of 18 patents)

34 patents: Sort by Forward Citations

1. 12480973 - Probe card device (2025-11-25),

2. 12412818 - Structure of package substrate (2025-09-09),

3. 12379399 - Probe card device (2025-08-05),

4. 11474128 - Metal probe structure and method for fabricating the same (2022-10-18),

5. 11221351 - Probe card device (2022-01-11),

6. 11163268 - Wristwatch and power saving method thereof (2021-11-02),

7. 11099524 - Wristwatch and method for improving security in electronic payment for wristwatch (2021-08-24),

8. 11048214 - Wristwatch and method applicable to wristwatch for controlling magnitude of short distance communication signals (2021-06-29),

9. 10622332 - Substrate separation system and method (2020-04-14),

10. 10451654 - Probe card device (2019-10-22),

11. 10396441 - Communication device and manufacturing method thereof (2019-08-27),

12. 10257335 - Wristwatch, mobile terminal, and communication reminding system and method (2019-04-09),

13. 10219128 - Wristwatch, wearable device, emergency help seeking method, and speed dial method (2019-02-26),

14. 9709957 - Smart wristwatch structure (2017-07-18),

15. 8288246 - Structure combining an IC integrated substrate and a carrier, and method of manufacturing such structure (2012-10-16),

PRINCO CORP. is a leading multinational corporation specializing in industrial automation solutions. With over two decades of experience, PRINCO has become a trusted partner for numerous businesses worldwide. We offer cutting-edge technology and innovative solutions to streamline manufacturing processes, improve productivity, and enhance overall efficiency. Our comprehensive range of products includes robotics, control systems, sensors, and machinery, all designed to meet the specific needs of various industries. PRINCO is committed to delivering high-quality, reliable, and cost-effective solutions that help businesses stay competitive in today's fast-paced market.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

34 Patents

#78 in Hsinchu

#521 in Taiwan

#19,027 in the World

Hsinchu, Taiwan

Princo Corp.

Forward Citations = 48

25 inventors:

Pei-Liang Chiu (10 out of 10 patents)

Chih-Kuang Yang (8 out of 15 patents)

Chih-kuang Yang (7 out of 16 patents)

4. Chi-Pin Kuo (5 out of 6 patents)

5. Ting-Wei Yang (3 out of 4 patents)

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