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Portwell Inc.

Calculating rank

USPTO Granted Patents = 29

% Expired Patents = 44.8

EPO Patents = 3

Trademarks = 1

Forward Citations = 165

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26 inventors (with patents filed for the assignee):

Chih-Chung Chen (7 out of 20 patents)

Chih-Wei Yang (2 out of 37 patents)

Lin-Heng Chang (2 out of 2 patents)

4. Kuang-Hung Cheng (2 out of 2 patents)

5. Chih-Kae Guan (2 out of 2 patents)

6. Yi Chen Cheng (2 out of 2 patents)

7. Ming-Hsin Tsai (2 out of 2 patents)

8. Te-Fu Hung (2 out of 2 patents)

9. Ya-Tzu Shih (1 out of 1 patent)

10. Yen-Lung Chou (1 out of 1 patent)

11. Shih Yao Lin (1 out of 1 patent)

12. Ruey Beei Wu (1 out of 1 patent)

13. Chia Tsung Liu (1 out of 1 patent)

14. Shih Hsing Ku (1 out of 1 patent)

15. Cheng-Han Chang (1 out of 1 patent)

Core Competencies:

Reverse Polarity Protection

Mainboard Structure

Network I/O Structure

Crosstalk Interference

IP Hard Disk

SATA Interface

Redundant Power Supply

Heat Dissipation

Memory Expansion

Industrial Computer

Adjustable Screen

Disk Array Framework

29 patents: Sort by Forward Citations

1. 11539201 - Reverse polarity protection device (2022-12-27),

2. 11317532 - Labor-saving mainboard withdrawing stucture for electronic devices (2022-04-26),

3. 11249930 - Network input/output structure of electronic device (2022-02-15),

4. 11071208 - Circuit board component layout determination method (2021-07-20),

5. 10111329 - Flexible flat cable structure capable of improving crosstalk interference (2018-10-23),

6. 10104550 - Induction type ornament with private message transmission (2018-10-16),

7. 10025601 - Server capable of supporting and automatically identifying IP hard disk and SATA hard disk (2018-07-17),

8. 9965661 - Sensory totem badge capable of transmitting individualized information (2018-05-08),

9. 9804640 - Chassis door cover switch structure (2017-10-31),

10. 9730348 - Flip cover structure for chassis (2017-08-08),

11. 9465765 - All-in-one SATA interface storage device (2016-10-11),

12. 8959397 - Computer-on-module debug card assembly and a control system thereof (2015-02-17),

13. 8295050 - Dual CPU and heat dissipating structure thereof (2012-10-23),

14. 8294298 - Redundant power supply device (2012-10-23),

15. 8137122 - Mini power supply module (2012-03-20),

Company Overview

Portwell Inc. is a leading provider of advanced embedded computing solutions, specializing in the design and manufacturing of industrial computers, network appliances, and IoT devices. The company focuses on delivering high-performance, reliable products tailored for various applications, including automation, telecommunications, and medical technology. With a strong presence in the global market, Portwell leverages its expertise in hardware and software integration to support diverse industries, enhancing operational efficiency and innovation.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

29 Patents

#125 in Taipei

#608 in Taiwan

#22,581 in the World

Portwell Inc.

Forward Citations = 165

26 inventors:

Chih-Chung Chen (7 out of 20 patents)

Chih-Wei Yang (2 out of 37 patents)

Lin-Heng Chang (2 out of 2 patents)

4. Kuang-Hung Cheng (2 out of 2 patents)

5. Chih-Kae Guan (2 out of 2 patents)

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

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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