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Hsinchu, Taiwan

Wisertek International Corporation

USPTO Granted Patents = 13

Forward Citations = 133

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15 inventors (with patents filed for the assignee):

Ji-Chen Wu (11 out of 11 patents)

Chen-Hua Lin (6 out of 12 patents)

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: Sort by Forward Citations

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),

Wisertek International Corporation is a global leader in IT Asset Disposition (ITAD) and Data Center Decommissioning services. With facilities across North America, Europe, and Asia, Wisertek helps businesses securely and responsibly dispose of their IT equipment while ensuring data security and compliance with environmental regulations. Their services include asset tracking, data erasure, recycling, resale, and logistics management.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

13 Patents

#121 in Hsinchu

#1,116 in Taiwan

#43,644 in the World

Hsinchu, Taiwan

Wisertek International Corporation

Forward Citations = 133

15 inventors:

Ji-Chen Wu (11 out of 11 patents)

Chen-Hua Lin (6 out of 12 patents)

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)

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