% Expired Patents = 85.7

CIPO Patents = 3

Forward Citations = 13

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7 inventors (with patents filed for the assignee):

Chih-Yu Chao (6 out of 14 patents)

Wen-Jiunn Hsieh (6 out of 12 patents)

Yu-cheng Yang (1 out of 1 patent)

4. Tsan-Jen Chen (1 out of 3 patents)

5. Chih-Hao Tsai (1 out of 1 patent)

6. Yan-Ru Tsai (1 out of 1 patent)

7. Jen-Hung Lo (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 12488717 - Mending method for display (2025-12-02),

2. 7554099 - Ultra-thin liquid control plate and combination of box-like member and the control plate (2009-06-30),

3. 7544954 - Device for operating gas in vacuum or low-pressure environment and for observation of the operation (2009-06-09),

4. 7476871 - Specimen box for electron microscope capable of observing general specimen and live cell (2009-01-13),

5. 7449123 - Nanoimprint lithograph for fabricating nanoadhesive (2008-11-11),

6. 7432511 - Method of operating liquid in the vacuum or low-pressure environment and observing the operation and device for the operation and observation (2008-10-07),

7. 7425712 - Method of operating liquid in the vacuum or low-pressure environment and observing the operation and device for the operation and observation (2008-09-16),

Company Overview

Contrel Technology Co., Ltd. is a leading provider of innovative automation solutions for industrial applications. With a focus on research and development, we deliver cutting-edge products and services to help our customers optimize their operations and enhance efficiency. Our team of experienced engineers and professionals are committed to providing high-quality solutions that meet the specific needs of each client. Contact us today to learn more about how we can support your business.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#36 in

#1,846 in Taiwan

TW

Contrel Technology Co., Ltd.

Forward Citations = 13

7 inventors:

Chih-Yu Chao (6 out of 14 patents)

Wen-Jiunn Hsieh (6 out of 12 patents)

Yu-cheng Yang (1 out of 1 patent)

4. Tsan-Jen Chen (1 out of 3 patents)

5. Chih-Hao Tsai (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Contrel Technology Co., Ltd.. Retrieved from https://idiyas.com/company/contrel-technology-company

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]

3 patents (CIPO):

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]