Company Filing History:
3 out of 1,723 
2 out of 32 
1 out of 41 
Years Active: 2012-2025
Title: Innovations of Jian Chang
Introduction
Jian Chang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of engineering, particularly in the development of mechanisms that enhance functionality and efficiency. With a total of 6 patents to his name, Jian Chang continues to push the boundaries of innovation.
Latest Patents
One of Jian Chang's latest inventions is an electric cable driving mechanism having a self-return function. This mechanism includes a housing assembly, an electric motor, a three-stage transmission mechanism, and a multifunctional nut. The three-stage transmission mechanism, which features a coil spring assembly, allows for a larger output force compared to a two-stage transmission. Additionally, the multifunctional nut is designed with two cable mounting grooves and connects to the electric motor through the three-stage transmission mechanism. This design simplifies the assembly process and prevents damage to the screw rod during installation.
Another significant patent is a one-way damping structure that comprises a spring, a drive element, and a friction force generation member. The spring is driven by the drive element, and it features a unique design that allows for the generation of friction torque. This invention also includes an adjusting assembly and a seat height adjuster that utilizes the one-way damping properties, enabling the spring to generate different torques depending on the rotation direction.
Career Highlights
Jian Chang has worked with prominent companies in the industry, including Semiconductor Manufacturing International Corporation and Keiper Seating Mechanisms Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions.
Collaborations
Throughout his career, Jian Chang has collaborated with talented individuals such as Lily Jiang and Meng Hong Tsai. These partnerships have fostered a creative environment that has led to the successful development of his inventions.
Conclusion
Jian Chang is a remarkable inventor whose work has significantly impacted the engineering field. His innovative patents demonstrate his commitment to advancing technology and improving existing mechanisms. His contributions will undoubtedly continue to influence future developments in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.