Forward Citations = 15

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11 inventors (with patents filed for the assignee):

Hung-Wei Chen (2 out of 23 patents)

Hsiu-Chuan Chang (2 out of 2 patents)

Li-Ping Yang (2 out of 6 patents)

4. Kuo-Yi Liu (2 out of 2 patents)

5. Chun-Ling Tai (2 out of 2 patents)

6. I-Ting Chang (2 out of 3 patents)

7. Yu-Chieh Wu (1 out of 1 patent)

8. Chih-Yung Chang (1 out of 1 patent)

9. Chia-Yin Tsai (1 out of 1 patent)

10. Fei-Chen Wang (1 out of 1 patent)

11. Shyh-Harn Huang (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 12714258 - Sandwich maker (2026-08-25),

2. 11678764 - Sandwich maker (2023-06-20),

3. 11229320 - Food heating device with multilayer shelf (2022-01-25),

4. D887768 - Food cooking equipment (2020-06-23),

5. D768672 - Display screen or portion thereof with graphical user interface (2016-10-11),

Company Overview

President Chain Store Corporation is a Taiwan-based company that operates a chain of convenience stores under the brand name 7-Eleven in Taiwan. The company offers a wide range of products including snacks, beverages, groceries, and various household items. With over 5,600 stores in Taiwan, President Chain Store Corp. is the largest convenience store chain in the country.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#778 in Taipei

#2,367 in Taiwan

Taipei, Taiwan

President Chain Store Corp.

Forward Citations = 15

11 inventors:

Hung-Wei Chen (2 out of 23 patents)

Hsiu-Chuan Chang (2 out of 2 patents)

Li-Ping Yang (2 out of 6 patents)

4. Kuo-Yi Liu (2 out of 2 patents)

5. Chun-Ling Tai (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: President Chain Store Corp.. Retrieved from https://idiyas.com/company/president-chain-store

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]