Jyun-Che Ho

This inventor holds 15 USPTO granted patents and 3 published patent applications, primarily in Power Conversion Technology. Top assignee: Richtek Technology Corporation. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jyun-Che Ho. Retrieved from https://idiyas.com/inventor/jyun-che-ho

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 15 (Patent Applications = 3)

% Patents Active = 60.0

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 56(Granted Patents)

Location History:

Chiayi County, TW (2015 - 2016)
Xikou Township, Chiayi County, TW (2014 - 2018)
Chiayi, TW (2018 - 2019)
Xikou Township, Chiayi, TW (2019)

Company Filing History:

15 out of 836

Richtek Technology Corporation

patents

Years Active: 2014-2025

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Areas of Expertise:

Power Factor Correction

AC-to-DC Converter

Power Conversion Device

LED Driver

Buck Switching Regulator

Soft-Start Circuit

Overvoltage Protection

Switching Regulator

Control Circuit

Pulse-Frequency Modulation

Signal Peak Detector

High Voltage Detection

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12483120 - Power supply system with power factor correction(PFC) and control method thereof (2025-11-25),

2. 10498254 - Power conversion device, slow soft-startup circuit, and power conversion chip (2019-12-03),

3. 10177558 - Overvoltage protection method and buck switching regulator having overvoltage protection function and control circuit thereof (2019-01-08),

4. 10097092 - Multi-phase switching regulator and control circuit and control method thereof (2018-10-09),

5. 9966857 - AC-to-DC power converter and control method and control integrated circuit thereof (2018-05-08),

6. 9781786 - Control circuit and method of a LED driver (2017-10-03),

7. 9263940 - Power converter and power factor corrector thereof (2016-02-16),

8. 9257900 - Signal peak detector and detection method, and control IC and method for a PFC converter (2016-02-09),

9. 9203319 - Soft-start switching power converting apparatus with pulse-frequency modulation technique (2015-12-01),

10. 9130464 - Soft-start switching power converting apparatus with pulse-frequency modulation technique (2015-09-08),

11. 9112404 - Multiplier-divider circuit and AC-to-DC power converting apparatus incorporating the same (2015-08-18),

12. 9042126 - Switching power converting apparatus, switching controller for the same, and method of controlling a bipolar junction transistor of the same (2015-05-26),

13. 8907648 - Power factor correction circuit, control circuit therefor and method for driving load circuit through power factor correction (2014-12-09),

14. 8791725 - High voltage offset detection circuit (2014-07-29),

15. 8723560 - High voltage offset detection circuit (2014-05-13),

Title: Innovations of Jyun-Che Ho: A Pioneer in Power Conversion Technologies

Introduction

Jyun-Che Ho, an inventive mind hailing from Xikou, China, is recognized for his significant contributions to the field of power conversion technology. With a remarkable portfolio of 14 patents, he has made strides in creating innovative solutions to enhance the efficiency and reliability of power systems.

Latest Patents

Ho's most recent patents include a series of advanced devices aimed at improving power conversion. His notable inventions comprise:

1. **Power Conversion Device**: This device incorporates a voltage conversion stage, which consists of a primary side that receives a rectified voltage and a secondary side for generating a rectified voltage. It features a primary side switch, a switch control circuit that operates in a startup and normal state, and a slow soft-startup circuit designed to regulate current to the control terminal during startup.

2. **Overvoltage Protection Method and Buck Switching Regulator**: This innovation features a buck switching regulator that includes an upper-gate switch, a lower-gate switch, and an inductor. The integrated overvoltage protection method identifies overvoltage events directly from the switching node voltage, ensuring prompt output of protection signals to safeguard the circuit.

Career Highlights

As a key innovator at Richtek Technology Corporation, Jyun-Che Ho has been instrumental in advancing power conversion technologies. His work demonstrates a commitment to exploring the complexities of electrical systems and enhancing their performance through innovative designs and applications.

Collaborations

Throughout his career, Ho has collaborated with esteemed colleagues, including Isaac Y Chen and Chien-Fu Tang. Together, they have combined their expertise to push the boundaries of power electronics and contribute meaningful advancements to the industry.

Conclusion

Jyun-Che Ho stands out as a prominent inventor in the domain of power conversion, with a growing list of significant patents that showcase his innovative spirit. His work not only contributes to the efficiency of power systems but also inspires future generations of inventors in the electrical engineering field.

Profile summary based on public USPTO records.

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]

3 patents pending: