Company Filing History:
1 out of 8,782 
1 out of 832,880 Years Active: 2002-2008
Title: Fumiyoshi Yoshinari: Innovator in Battery Technology
Introduction
Fumiyoshi Yoshinari is a notable inventor based in Tokushima, Japan. He has made significant contributions to the field of battery technology, holding a total of 2 patents. His work focuses on enhancing the safety and efficiency of battery systems.
Latest Patents
Yoshinari's latest patents include a hermetically sealed battery and a battery pack with an incorporated PTC device. The hermetically sealed battery features an opening sealing unit that includes a Positive Temperature Coefficient (PTC) element, designed to prevent large current generation during short circuits while maintaining the external can's volume. This innovative design enhances operational security. The battery pack patent describes a system that can safely handle large current loads by increasing the area of the incorporated PTC layer, thereby reducing internal resistance. This battery pack consists of multiple unit cells arranged in parallel, with a PTC device that protects these cells from overcurrents.
Career Highlights
Throughout his career, Fumiyoshi Yoshinari has worked with Sanyo Electric Co., Ltd., where he contributed to advancements in battery technology. His expertise in this field has led to the development of innovative solutions that address critical safety concerns in battery usage.
Collaborations
Yoshinari has collaborated with notable colleagues such as Katsuya Kawano and Motoo Tadokoro. Their combined efforts have furthered the development of cutting-edge battery technologies.
Conclusion
Fumiyoshi Yoshinari's contributions to battery technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the safety and efficiency of battery systems, paving the way for future innovations.