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Hsinchu, Taiwan

Microjet Technology Company, Ltd.

USPTO Granted Patents = 311

% Expired Patents = 10.3

EPO Patents = 72

Trademarks = 6

Forward Citations = 645

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126 inventors (with patents filed for the assignee):

Chi-Feng Huang (257 out of 373 patents)

Yung-Lung Han (247 out of 260 patents)

Hao-Jan Mou (211 out of 227 patents)

4. Wei-Ming Lee (102 out of 103 patents)

5. Shih-Chang Chen (100 out of 198 patents)

6. Chang-Yen Tsai (71 out of 72 patents)

7. Ching-Sung Lin (60 out of 62 patents)

8. Jia-Yu Liao (57 out of 57 patents)

9. Chun-Yi Kuo (47 out of 69 patents)

10. Ying-Lun Chang (38 out of 38 patents)

11. Ta-Wei Hsueh (36 out of 36 patents)

12. Hsuan-Kai Chen (32 out of 32 patents)

13. Hsien-Chung Tai (31 out of 31 patents)

14. Tsung-I Lin (30 out of 33 patents)

15. Hung-Hsin Liao (30 out of 30 patents)

Core Competencies:

Air Purifier

Gas Detection

Indoor Air Quality

Filtration Device

Nasal-Plug Filter

Microfluidic Actuator

Breast Pump

Pollution Prevention

Smart Cloth

Fluid Pump

Health Monitoring

Mobile Detection

311 patents: Sort by Forward Citations

1. 12492833 - Vacuum cleaner for air pollution prevention (2025-12-09),

2. 12485376 - Exhaust fan for preventing air pollution (2025-12-02),

3. 12447803 - Method of preventing air pollution in vehicle (2025-10-21),

4. 12442554 - System for detecting and cleaning indoor air pollution (2025-10-14),

5. 12442550 - Method for detecting, locating and completely cleaning indoor microorganism (2025-10-14),

6. 12440792 - Air pollution prevention device for baby carriage (2025-10-14),

7. 12440709 - Nasal-plug filter device and set thereof (2025-10-14),

8. 12440708 - Nasal-plug filter device (2025-10-14),

9. 12435899 - Air purifier for preventing air pollution (2025-10-07),

10. 12435890 - Indoor air pollution prevention system (2025-10-07),

11. 12434183 - Air pollution prevention system (2025-10-07),

12. 12433975 - Breast milk collecting method by stimulating mammary gland of breastfeeder to eject breast milk (2025-10-07),

13. 12280187 - Breast pump (2025-04-21),

14. 12274815 - Method of preventing and handling indoor air pollution (2025-04-14),

15. 12235016 - Purification device for exercise environment (2025-02-25),

Microjet Technology Company, Ltd., based in Hsinchu, Taiwan, specializes in advanced solutions for air pollution prevention. The company focuses on developing innovative technologies such as air purifiers, gas detection systems, and filtration devices aimed at enhancing indoor air quality. Their expertise extends to microfluidic actuators and specialized products like nasal-plug filters and breast pumps, reflecting a commitment to improving health and environmental conditions through cutting-edge engineering and design.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Microjet Technology Company, Ltd.

311 Patents

#29 in Hsinchu

#90 in Taiwan

#2,876 in the World

Hsinchu, Taiwan

Microjet Technology Company, Ltd.

Forward Citations = 645

126 inventors:

Chi-Feng Huang (257 out of 373 patents)

Yung-Lung Han (247 out of 260 patents)

Hao-Jan Mou (211 out of 227 patents)

4. Wei-Ming Lee (102 out of 103 patents)

5. Shih-Chang Chen (100 out of 198 patents)

Please report any incorrect information to [email protected]

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