For the Inventor, By the Inventor

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Seoul, South Korea

P & Tel Inc.

USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 26

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1 inventor (with patents filed for the assignee):

Han Sang Lee (3 out of 34 patents)

3 patents: Sort by Forward Citations

1. 8121658 - Torsion spring, elastic device and sliding apparatus and portable appliance utilizing the device (2012-02-21),

2. 7650671 - Slide hinge module and slide type equipment utilizing the same (2010-01-26),

3. 7542788 - Sliding mechanism apparatus and appliance integrated with the same (2009-06-02),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#965 in Seoul

#2,789 in South Korea

Seoul, South Korea

P & Tel Inc.

Forward Citations = 26

1 inventor:

Han Sang Lee (3 out of 34 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: P & Tel Inc.. Retrieved from https://idiyas.com/company/p-and-tel

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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