This inventor holds 2 USPTO granted patents and 4 published patent applications. Top assignees: Contemporary Amperex Technology (Hong Kong) Limited, Contemporary Amperex Technology Co., Ltd.. Active years: 2026.
Company Filing History:

Years Active: 2026
Title: Jiajin Cai - Innovator in Battery Technology
Introduction
Jiajin Cai is an inventor based in Ningde, China, known for his contributions to battery technology. His innovative ideas focus on enhancing the performance and safety of battery systems. Although he currently holds no granted patents, his work in the field is noteworthy.
Latest Patent Applications
Jiajin Cai has submitted several patent applications that showcase his inventive spirit. One of his latest applications is for a "Casing Assembly, Battery Cell, Battery, and Electric Apparatus." This invention includes a casing assembly that features a sealing assembly designed to prevent electrolyte leakage, thereby improving the sealing performance of the casing. The structure incorporates a conductive member with contact portions on both the inner and outer sides of the casing, enhancing its functionality.
Another significant application is for a "Battery and Electricity-Consuming Device." This design includes a battery cell equipped with a pressure-relieving mechanism and a functional part that avoids materials released by the battery cell. The insulating layer is strategically placed within the functional part to ensure safety and efficiency.
Conclusion
Jiajin Cai's innovative approaches to battery technology reflect his commitment to improving energy storage solutions. His latest patent applications demonstrate his potential to contribute significantly to the field, even in the absence of granted patents.