Chia-Jung Chang

This inventor holds 46 USPTO granted patents and 16 published patent applications, primarily in Semiconductor Devices. Top assignees: Taiwan Semiconductor Manufacturing Comp. Ltd., Industrial Technology Research Institute, Richtek Technology Corporation. Active years: 2015-2026.

USPTO Granted Patents = 46 (Patent Applications = 16)

% Patents Active = 93.5

Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 24(Granted Patents)

Location History:

Yunlin County, TW (2015 - 2017)
Zhubei, TW (2019)
Hsinchu County, TW (2020 - 2021)
Hsinchu, TW (2019 - 2024)
Douliu, TW (2021 - 2024)

Company Filing History:

29 out of 42,810

Taiwan Semiconductor Manufacturing Comp. Ltd.

patents

8 out of 9,303

Industrial Technology Research Institute

patents

4 out of 830

Richtek Technology Corporation

patents

4. 3 out of 3,297

Realtek Semiconductor Inc.

patents

5. 1 out of 1,308

National Tsing Hua University

patents

where one patent can have more than one assignee

Years Active: 2015-2026

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Areas of Expertise:

ESD Protection

Voltage Tracking

Input Buffer Circuit

Overdrive I/O

Multi-Gated I/O

Optical Sensing

Calibration Equipment

High Efficiency LED Driver

Optical Package

Slew Rate Control

Clock Data Recovery

Tunable Optical Device

46 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12745453 - Integrated circuit driver device, layout, and method (2026-09-22),

2. 12738849 - Multi-level boost power converter circuit with low power loss (2026-09-15),

3. 12731986 - Electrostatic discharge protection (2026-09-08),

4. 12719473 - Level shifter (2026-08-25),

5. 12652029 - Input buffer circuit (2026-06-09),

6. 12633920 - Input buffer circuit having variable threshold circuits (2026-05-19),

7. 12631518 - Array lens module calibration equipment and calibration method thereof (2026-05-19),

8. 12567792 - Switching regulator and control method thereof (2026-03-03),

9. 12407256 - Switching regulator and control method thereof (2025-09-02),

10. 12407252 - Switching regulator and operation clock signal generator circuit and control method thereof (2025-09-02),

11. 12401189 - ESD power clamp devices and circuits (2025-08-26),

12. 12355440 - Slew rate controlled output buffer circuit and semiconductor device (2025-07-08),

13. 12334929 - Input hysteresis buffer in overdrive design (2025-06-17),

14. 12301219 - Overdrive I/O ESD protection network (2025-05-13),

15. 12300692 - Semiconductor device with ESD protection and methods of operating and configuring the same (2025-05-13),

Title: The Innovative Journey of Chia-Jung Chang

Introduction: Chia-Jung Chang, a talented inventor hailing from Hsinchu, Taiwan, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Chia-Jung Chang's latest patents include advancements in semiconductor technology, renewable energy solutions, and artificial intelligence systems, showcasing his diverse range of expertise and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Chia-Jung Chang has worked with leading tech companies and research institutions, spearheading projects that have revolutionized various industries. His keen eye for detail and passion for innovation have led to the development of cutting-edge technologies that have garnered international acclaim.

Collaborations: Throughout his career, Chia-Jung Chang has collaborated with top engineers, scientists, and researchers from around the globe, fostering a culture of creativity and excellence. His ability to work in multidisciplinary teams has resulted in the successful implementation of complex projects and the creation of innovative solutions to real-world challenges.

Conclusion: Chia-Jung Chang's relentless pursuit of innovation and his commitment to pushing the boundaries of technology have solidified his reputation as a visionary inventor. His impact on the industry is profound, and his legacy will continue to inspire future generations of inventors and innovators.