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For the Inventor, By the Inventor

Hsinchu, Taiwan

Princo Corp.

Calculating rank
USPTO Granted Patents = 34

% Expired Patents = 26.5


Trademarks = 1

Forward Citations = 48

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17 inventors (with patents filed for the assignee):

goldMedal Pei-Liang Chiu (10 out of 10 patents)

silverMedal Chih-Kuang Yang (8 out of 15 patents)

bronzeMedal 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 9 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 21 patents)


Core Competencies:
Probe Card Device
Optical Disc
Wristwatch
Multi-Layer Substrate
Communication Device
Power Saving Method
IC Integrated Substrate
Emergency Help Seeking
Security Improvement
Short Distance Communication
Manufacturing Method
Coating Method

34 patents:

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),
Company Overview
Princo Corp., based in Hsinchu, Taiwan, specializes in the development and manufacturing of optical storage media. The company is recognized for its innovative approaches in the production of CD, DVD, and Blu-ray discs, catering to both consumer and professional markets. With a strong emphasis on research and technology, Princo is dedicated to advancing optical storage solutions, ensuring high-quality performance and reliability. Its strategic location in Taiwan positions it within a vibrant tech ecosystem, fostering collaboration and innovation in the electronics sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

34 Patents

#121 in Hsinchu

#537 in Taiwan

#19,647 in the World

Hsinchu, TW
Hsinchu, Taiwan

Princo Corp.

Forward Citations = 48

17 inventors:

goldMedal Pei-Liang Chiu (10 out of 10 patents)

silverMedal Chih-Kuang Yang (8 out of 15 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Princo Corp.. Retrieved from https://idiyas.com/company/princo

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]
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