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For the Inventor, By the Inventor

Hsinchu, Taiwan

Wisertek International Corporation

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USPTO Granted Patents = 13

Forward Citations = 133

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15 inventors (with patents filed for the assignee):

goldMedal Ji-Chen Wu (11 out of 11 patents)

silverMedal Chen-Hua Lin (6 out of 12 patents)

bronzeMedal Hsien-shu Tsai (3 out of 3 patents)

4.  Arnold Chang-Mou Yang (2 out of 15 patents)

5.  Ming-Hsun Yang (2 out of 16 patents)

6.  Shih-hung Lee (2 out of 2 patents)

7.  Dong-Sang Chiang (2 out of 2 patents)

8.  Wen-kang Sung (2 out of 2 patents)

9.  Ching-yu Chou (2 out of 2 patents)

10.  Alan Yeh (2 out of 2 patents)

11.  Ching-Yu Chou (1 out of 15 patents)

12.  Hung-Chou Kang (1 out of 4 patents)

13.  Fung-Ing Hsu (1 out of 1 patent)

14.  Huan-Kun Chen (1 out of 1 patent)

15.  Ming-hsun Yang (1 out of 1 patent)


13 patents:

1. 6406835 - Method for manufacturing a printhead of ink jet printing apparatus (2002-06-18),
2. 6383335 - Heat bonding apparatus for manufacturing an ink-jet printhead (2002-05-07),
3. 6364455 - Printhead of ink jet printing apparatus and manufacturing method therefor (2002-04-02),
4. 6345885 - Ink-jet printhead and manufacturing process (2002-02-12),
5. 6322182 - Method and apparatus of identifying ink stored in an ink-jet cartridge (2001-11-27),
6. 6302526 - Electrode type print head for printing apparatus and method of manufacturing the same (2001-10-16),
7. 6286948 - Ink-jet cartridge with a negative pressure ink reservoir (2001-09-11),
8. 6247807 - Ink-jet cartridge (2001-06-19),
9. D443639 - Ink cartridge for a printer (2001-06-13),
10. D442219 - Ink cartridge for a printer (2001-05-16),
11. 6213599 - Ink-jet cartridge for an ink-jet printing apparatus (2001-04-10),
12. 6151052 - Ink jet cartridge for an ink jet printing apparatus (2000-11-21),
13. 6145973 - Ink-jet cartridge (2000-11-14),
Company Overview
Wisertek International Corporation, based in Hsinchu, Taiwan, specializes in the development and manufacturing of advanced electronic components and systems. The company focuses on innovative solutions in the fields of telecommunications, consumer electronics, and industrial automation. With a commitment to research and development, Wisertek aims to enhance connectivity and efficiency through cutting-edge technology. Its strategic location in Taiwan positions it within a vibrant tech ecosystem, fostering collaboration and growth in the electronics sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

13 Patents

#211 in Hsinchu

#1,169 in Taiwan

#45,104 in the World

Hsinchu, TW
Hsinchu, Taiwan

Wisertek International Corporation

Forward Citations = 133

15 inventors:

goldMedal Ji-Chen Wu (11 out of 11 patents)

silverMedal Chen-Hua Lin (6 out of 12 patents)

bronzeMedal Hsien-shu Tsai (3 out of 3 patents)

4.  Arnold Chang-Mou Yang (2 out of 15 patents)

5.  Ming-Hsun Yang (2 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wisertek International Corporation. Retrieved from https://idiyas.com/company/wisertek-international

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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