Chih-Kai Chang

This inventor holds 18 USPTO granted patents and 11 published patent applications and 3 EPO patents, primarily in Bicycle Technology. Top assignees: Giant Manufacturing Co., Ltd., Mediatek Corporation, Orise Technology Co., Ltd.. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chih-Kai Chang. Retrieved from https://idiyas.com/inventor/chih-kai-chang-ecwj8oof

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

Calculating rank

USPTO Granted Patents = 18 (Patent Applications = 11)

% Patents Active = 94.4

EPO Patents = 3 (Patent Applications = 7)

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 17(Granted Patents)

Company Filing History:

7 out of 138

Giant Manufacturing Co., Ltd.

Orise Technology Co., Ltd.

patents

4. 1 out of 1,705

Novatek Microelectronics Corp.

patents

Years Active: 2014-2026

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Areas of Expertise:

Bike Fitting

Power Measuring Devices

Composite Rim

Resin-Based Composite

Bicycle Frame

Path Planning

Video Compression

Transparent Display

Wearable Device

Image Processing

Backlight Compensation

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12722734 - System, method, and non-volatile computer-readable storage medium applied for bike fitting (2026-09-01),

2. 12420882 - Power-measuring devices (2025-09-23),

3. 11541687 - Composite rim and reinforced prepreg thereof (2023-01-03),

4. 11364690 - Resin-based composite structure and method for forming resin-based composite structure (2022-06-21),

5. 11292544 - Bicycle and spider capable of measuring power (2022-04-05),

6. 11112322 - Bicycle and spider capable of measuring power (2021-09-07),

7. 11091217 - Joint structure of a composite bicycle frame and manufacturing method thereof (2021-08-17),

8. 10635913 - Path planning method and related navigation device (2020-04-28),

9. 10432856 - Method and apparatus of video compression for pre-stitched panoramic contents (2019-10-01),

10. 10204596 - Display control for transparent display (2019-02-12),

11. 10136114 - Projection display component and electronic device (2018-11-20),

12. 10055563 - Air writing and gesture system with interactive wearable device (2018-08-21),

13. 9946298 - Wearable device interactive system (2018-04-17),

14. 9692950 - Display method for video conferencing (2017-06-27),

15. 9165350 - Image sharpening method and image processing device (2015-10-20),

Title: The Innovative Mind of Chih-Kai Chang

Introduction: Chih-Kai Chang, an accomplished inventor based in Taichung, Taiwan, has made significant contributions to the field of composite materials and brake systems. With a total of 16 patents to his name, Chang's innovative spirit continues to drive advancements in technology and engineering. His work reflects a deep understanding of materials science, leading to solutions that enhance performance and durability.

Latest Patents: Among Chih-Kai Chang's recent patents are two notable inventions. The first is a "Composite Rim and Reinforced Prepreg Thereof," which focuses on a reinforced prepreg designed for wear-resistant layers in braking track structures. This invention utilizes a fiber fabric combined with a resin and needle-shaped crystals, available in microscale or nanoscale sizes, to enhance the performance of brake components. The second patent is titled "Resin-Based Composite Structure and Method for Forming Resin-Based Composite Structure," which details a process for creating resin-based composite structures. This method involves the preparation of an epoxy resin-carbon fiber composite material, integrating a thermal-fusion material, and applying a precise molding and curing process to achieve a durable composite with enhanced properties.

Career Highlights: Chih-Kai Chang has collaborated with industry leaders, including MediaTek Corporation and Giant Manufacturing Co., Ltd., where he has honed his skills and contributed to cutting-edge research and development in composite technologies. His work has positioned him as a key inventor in areas that require innovative solutions for complex engineering challenges.

Collaborations: Throughout his career, Chang has worked alongside esteemed colleagues, including Tsu-Ming Liu and Ching-Yao Lin. These collaborations have allowed for the exchange of ideas and expertise, further enhancing the quality and impact of their collective work.

Conclusion: Chih-Kai Chang's innovative contributions to the field of composite materials exemplify the potential of new technologies to address modern engineering requirements. His impressive portfolio of patents not only showcases his talent as an inventor but also highlights his commitment to advancing the state of engineering through creativity and scientific knowledge. As he continues to develop new solutions, Chang will undoubtedly remain a pivotal figure in the world of innovations and inventions.

Profile summary based on public USPTO records.