% Expired Patents = 100.0

Trademarks = 2

Forward Citations = 26

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6 inventors (with patents filed for the assignee):

Tien-Chih Tseng (4 out of 4 patents)

Vincent Chen (2 out of 35 patents)

Chun-Te Lee (2 out of 12 patents)

4. Yu-Han Tai (1 out of 1 patent)

5. An-Gu Tsai (1 out of 1 patent)

6. Ming-Fu Chien (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8388383 - Power adaptor structure (2013-03-05),

2. 8092247 - Power plug structure (2012-01-10),

3. 7871288 - Power connector structure (2011-01-18),

4. 7845971 - Power connector structure (2010-12-07),

5. 7261598 - Electrical connector (2007-08-28),

6. 7108518 - Assembly structure of an electrical card (2006-09-19),

7. 7075792 - Assembly structure of electronic card (2006-07-11),

8. 6853550 - Assembly structure of electronic card (2005-02-08),

Company Overview

Longwell Company is a leading provider of innovative technology solutions for businesses. With a focus on delivering high-quality products and exceptional customer service, Longwell has established itself as a trusted partner for companies looking to grow and optimize their operations. From IT consulting to software development, Longwell offers a wide range of services to help clients achieve their goals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#507 in Taipei

#1,701 in Taiwan

Taipei, Taiwan

Longwell Company

Forward Citations = 26

6 inventors:

Tien-Chih Tseng (4 out of 4 patents)

Vincent Chen (2 out of 35 patents)

Chun-Te Lee (2 out of 12 patents)

4. Yu-Han Tai (1 out of 1 patent)

5. An-Gu Tsai (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Longwell Company. Retrieved from https://idiyas.com/company/longwell-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]