Forward Citations = 133

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11 inventors (with patents filed for the assignee):

Robert G McHugh (2 out of 84 patents)

Chu-Mei Chen (2 out of 15 patents)

Lee M Cheng (2 out of 5 patents)

4. H T Pan (2 out of 2 patents)

5. Gwou-Jong Tseng (1 out of 20 patents)

6. Sidney Lu (1 out of 11 patents)

7. Conrad Y Choy (1 out of 6 patents)

8. Ching-ho Lai (1 out of 9 patents)

9. Danny Chau (1 out of 1 patent)

10. Jau-Wen Lin (1 out of 1 patent)

11. Ming-Yow Hon (1 out of 5 patents)

7 patents: Sort by Forward Citations

1. 5667396 - Memory card connector with card ejection mechanism (1997-09-16),

2. 5588850 - Grounding means for memory card connector (1996-12-31),

3. 5549480 - Unitary connector allowing laterally variant positions of mating (1996-08-27),

4. 5470242 - Dual readout socket connector (1995-11-28),

5. 5456613 - Zero insertion force connector and contact therein (1995-10-10),

6. 5401182 - Low profile connector and contact therein (1995-03-28),

7. 5399108 - LIF PGA socket and contact therein and method making the same (1995-03-21),

Company Overview

Tongrand Limited is a leading provider of high-quality construction and property development services. With a strong focus on delivering innovative and sustainable solutions, we have built a reputation for excellence in the industry. Our experienced team of professionals is committed to meeting and exceeding our clients' expectations on every project.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#449 in

#3,923 in HK

Hong Kong, China

Tongrand Limited

Forward Citations = 133

11 inventors:

Robert G McHugh (2 out of 84 patents)

Chu-Mei Chen (2 out of 15 patents)

Lee M Cheng (2 out of 5 patents)

4. H T Pan (2 out of 2 patents)

5. Gwou-Jong Tseng (1 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tongrand Limited. Retrieved from https://idiyas.com/company/tongrand

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]