EPO Patents = 4

Trademarks = 1

Forward Citations = 6

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10 inventors (with patents filed for the assignee):

I-Hung Lin (2 out of 5 patents)

Chaochi Chang (2 out of 2 patents)

Ta-Gang Chiou (2 out of 10 patents)

4. Amit Kumar Sharma (1 out of 1 patent)

5. Hsiao-Tse Chang (1 out of 4 patents)

6. Geoffrey Paul Bloch Mamlet (1 out of 1 patent)

7. Tzu-Yi Lo (1 out of 1 patent)

8. Paul R Carlson (1 out of 5 patents)

9. Richard L Carlson (1 out of 4 patents)

10. Wei Chen (1 out of 2 patents)

11. Paul Ratcliffe (0 patent)

12. Paul Ratcliffe (0 patent)

7 patents: Sort by Forward Citations

1. 11678295 - Contact tracking method and related server (2023-06-13),

2. 11451880 - Method for performing marketing to telecommunication device and advertisement server (2022-09-20),

3. 11405853 - Server, communication system, and performance measurement method (2022-08-02),

4. 11334923 - Method for predicting user object in real time bidding and advertisement server (2022-05-17),

5. 11259147 - Server, communication system, and positioning method based on mobile network thereof (2022-02-22),

6. 11182830 - Digital advertising bidding method, digital advertising bidding system, token generating server, data management server and campaign management method (2021-11-23),

7. 4077480 - One man operated, twin wheel mounted powered earth drill (1978-03-07),

Company Overview

Groundhog Inc. is a leading provider of excavation and landscaping services in the greater metropolitan area. With over 10 years of experience, our team of skilled professionals is dedicated to delivering high-quality workmanship and exceptional customer service. From trenching and grading to drainage solutions and tree removal, Groundhog Inc. has the expertise to handle all of your outdoor construction needs. Contact us today to learn more about how we can help beautify and enhance your property.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#574 in Taipei

#1,846 in Taiwan

Taipei, Taiwan

Groundhog Inc.

Forward Citations = 6

10 inventors:

I-Hung Lin (2 out of 5 patents)

Chaochi Chang (2 out of 2 patents)

Ta-Gang Chiou (2 out of 10 patents)

4. Amit Kumar Sharma (1 out of 1 patent)

5. Hsiao-Tse Chang (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Groundhog Inc.. Retrieved from https://idiyas.com/company/groundhog

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]

4 patents (EPO):

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]