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For the Inventor, By the Inventor

Taoyuan, Taiwan

Assoma Inc.


USPTO Granted Patents = 14

% Expired Patents = 14.3


Forward Citations = 45

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12 inventors (with patents filed for the assignee):

goldMedal Huan-Jan Chien (10 out of 28 patents)

silverMedal Chin-Cheng Wang (9 out of 9 patents)

bronzeMedal Chih-Hsien Shih (9 out of 9 patents)

4.  Chih-Kuan Shih (7 out of 7 patents)

5.  Shu-Yen Chien (2 out of 2 patents)

6.  Chi Wei Shi (2 out of 2 patents)

7.  Yu-Lun Jhang (1 out of 1 patent)

8.  Ching-Chang Wang (1 out of 1 patent)

9.  Chi-Wei Shi (1 out of 1 patent)

10.  Shi Chi-Wei (1 out of 1 patent)

11.  Peng-Hsiang Chen (1 out of 1 patent)

12.  Yuan Hung Lin (1 out of 1 patent)


14 patents:

1. 11739642 - Manufacturing method of 3-dimensional plastic impeller of centrifugal pump and the impeller (2023-08-29),
2. 10267327 - Magnetic drive pump (2019-04-23),
3. 10190593 - Magnetic drive pump (2019-01-29),
4. 9951778 - Permanent magnet motor pump (2018-04-24),
5. 9897102 - Structure improvement of pump casing with PFA liner (2018-02-20),
6. 9702364 - Permanent magnet motor pump (2017-07-11),
7. 9670934 - Magnetic drive pump (2017-06-06),
8. 9599113 - Permanent magnet motor pump (2017-03-21),
9. 9169842 - Permanent magnet canned motor pump with corrosion-protection housing (2015-10-27),
10. 8597000 - Structural improvement of a canned motor pump (2013-12-03),
11. 7033146 - Sealed magnetic drive sealless pump (2006-04-25),
12. 6854957 - Seal of a vertical pump (2005-02-15),
13. 6475378 - Cartridge filter (2002-11-05),
14. 5184945 - Bushing structure for using in magnetically driving centrifugal pumps (1993-02-09),
Company Overview
Assoma Inc. is a technology-driven company based in Taoyuan, Taiwan, specializing in the development and manufacturing of advanced semiconductor solutions. The organization focuses on innovative applications in various sectors, including consumer electronics, automotive, and industrial automation. With a commitment to research and development, Assoma aims to enhance performance and efficiency in electronic systems, contributing to the evolution of smart technologies and sustainable solutions in the global market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#113 in Taoyuan

#1,113 in Taiwan

#42,249 in the World

Taoyuan, TW
Taoyuan, Taiwan

Assoma Inc.

Forward Citations = 45

12 inventors:

goldMedal Huan-Jan Chien (10 out of 28 patents)

silverMedal Chin-Cheng Wang (9 out of 9 patents)

bronzeMedal Chih-Hsien Shih (9 out of 9 patents)

4.  Chih-Kuan Shih (7 out of 7 patents)

5.  Shu-Yen Chien (2 out of 2 patents)

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

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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