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For the Inventor, By the Inventor

Hsin-Chu, Taiwan

Chia-Chieh Hung

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Hsin-Chu, TW (2011)
  • Taoyuan County, TW (2011)
  • Lujhu Township, Taoyuan County, TW (2011)
  • Taipei, TW (2012 - 2014)

Company Filing History:

goldMedal10 out of 31 
 
Grenergy Opto Inc.
 patents
silverMedal5 out of 13 
 
Immense Advance Technology Corporation
 patents

Years Active: 2011-2014

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15 patents (USPTO):Explore Patents
1. 8680835 - Buck DC-to-DC converter having a novel output protection mechanism (2014-03-25),
2. 8541990 - Power conversion controller having a novel power factor correction mechanism using line voltage normalization (2013-09-24),
3. 8390357 - Fixed dead time PFC controller (2013-03-05),
4. 8384304 - LED driver controller (2013-02-26),
5. 8193733 - LED driver circuit (2012-06-05),
6. 8068354 - Current-level controlling device for a power supply device and related power supply device (2011-11-29),
7. 8067904 - Electronic ballast with dimming control from power line sensing (2011-11-29),
8. 8064226 - Control circuit with frequency compensation (2011-11-22),
9. 8044651 - Efficient PWM controller (2011-10-25),
10. 7999495 - Electronic ballast with dimming control from power line sensing (2011-08-16),
11. 7999494 - Electronic ballast with dimming control from power line sensing (2011-08-16),
12. 7982413 - Electronic ballast with dimming control from power line sensing (2011-07-19),
13. 7911815 - Primary-side feedback control device and related method for a power converter (2011-03-22),
14. 7876085 - Quasi-resonant valley voltage detecting method and apparatus (2011-01-25),
15. 7872842 - Overcurrent protection device for a power supply device and related power supply device (2011-01-18),

Title: Innovations of Chia-Chieh Hung

Introduction

Chia-Chieh Hung is a prominent inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of power conversion technology, holding a total of 15 patents. His work focuses on enhancing the efficiency and functionality of electronic devices through innovative designs.

Latest Patents

One of his latest patents is a "Buck DC-to-DC converter having a novel output protection mechanism." This invention includes a buck converter circuit with a line input end, a DC output end, and feedback ends that work together to generate a protection signal. Another notable patent is the "Power conversion controller having a novel power factor correction mechanism using line voltage normalization." This device features a normalization unit that generates a normalized signal based on line voltage, improving the power factor correction process.

Career Highlights

Chia-Chieh Hung has worked with several companies, including Grenergy Opto Inc. and Immense Advance Technology Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in power conversion technology.

Collaborations

He has collaborated with notable coworkers such as Yen-Hui Wang and Wei-Chuan Su, contributing to various projects that enhance the field of electronics.

Conclusion

Chia-Chieh Hung's contributions to power conversion technology through his patents and collaborations highlight his role as a significant inventor in the industry. His innovative designs continue to influence advancements in electronic devices.

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