This inventor holds 2 USPTO granted patents. Top assignee: Shanghai Shift Electrics Co., Ltd.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Changjin Zhang - Innovator in Toothbrush Technology
Introduction
Changjin Zhang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of personal care products, particularly through his innovative designs in toothbrush technology. With a focus on enhancing user experience, Zhang has developed a unique toothbrush that incorporates advanced mechanical features.
Latest Patents
Changjin Zhang holds a patent for a toothbrush that includes a handle, a head, and a connection structure featuring a first rotating disc and a second rotating disc that coaxially rotate. The design allows for the first rotating disc to be connected to the head or handle, while the second rotating disc is connected to the handle or head. The rotation axis of both discs is perpendicular to the extension direction of the handle. Additionally, the toothbrush features an elastic structure with a first elastic member and a second elastic member, which deform elastically when the first rotating disc rotates with respect to the second rotating disc under external force. This innovative design aims to improve the effectiveness and comfort of brushing.
Career Highlights
Changjin Zhang is currently employed at Shanghai Shift Electrics Co., Ltd., where he continues to develop and refine his inventions. His work at the company has allowed him to collaborate with other talented individuals in the field, contributing to advancements in consumer products.
Collaborations
Zhang has worked alongside colleagues such as Zhenwu Xu and Xiaoguo Dai, who share his passion for innovation and product development. Their collaborative efforts have led to the creation of cutting-edge technologies in the personal care industry.
Conclusion
Changjin Zhang is a dedicated inventor whose work in toothbrush technology exemplifies innovation in personal care products. His patented designs reflect a commitment to improving user experience and functionality. Through his career at Shanghai Shift Electrics Co., Ltd., he continues to make strides in the field, contributing to the advancement of everyday products.