EPO Patents = 3

Forward Citations = 3

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4 inventors (with patents filed for the assignee):

Yu-Cheng Chang (7 out of 14 patents)

Te-Lung Shih (5 out of 7 patents)

Kuo-Chao Lin (2 out of 2 patents)

4. Chang-Hung Hsieh (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 10404055 - Power line resistance sensing device (2019-09-03),

2. 10182479 - Voltage regulation circuit for LED tube (2019-01-15),

3. 9848472 - LED device with energy compensation (2017-12-19),

4. 9717128 - High-safety LED tube (2017-07-25),

5. 9674910 - Filament simulation circuit for LED tube (2017-06-06),

6. 9615421 - LED control circuit (2017-04-04),

7. 9433052 - LED control system suitable for different types of power sources (2016-08-30),

Alfasemi Inc. is a leading provider of advanced semiconductor solutions for various industries. With a focus on innovation and customer satisfaction, we offer cutting-edge technologies and services to meet the evolving needs of our clients. Our team of experts is dedicated to delivering high-quality products and exceptional support to help our customers succeed in the competitive market.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#612 in Taipei

#1,778 in Taiwan

Taipei, Taiwan

Alfasemi Inc.

Forward Citations = 3

4 inventors:

Yu-Cheng Chang (7 out of 14 patents)

Te-Lung Shih (5 out of 7 patents)

Kuo-Chao Lin (2 out of 2 patents)

4. Chang-Hung Hsieh (1 out of 1 patent)

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3 patents (EPO):

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