Hidefumi Oishi

Title: Innovations by Inventor Hidefumi Oishi

Introduction

Hidefumi Oishi is a notable inventor based in Kariya, Japan. With an impressive portfolio of 15 patents, he has made significant contributions to the field of battery technology. His inventions focus on enhancing the safety and efficiency of battery packs, which are crucial for various applications in today’s technology-driven world.

Latest Patents

One of Hidefumi Oishi’s latest inventions is a battery pack designed with a case that holds battery cells. This case features a closed-bottom cylindrical body with a flat plate-shaped lid. Importantly, the design includes a seal member at the end surfaces of the case walls that comprises both inner and outer overlapping portions, which provide a robust sealing capability. The inclusion of a sixth bend allows the inner overlapping portion to exert a restoring force toward the outer portion, ensuring the integrity of the battery pack.

Another noteworthy patent is a battery pack with a sealed case that houses battery modules. This design introduces a rectangular plate-shaped lid member that incorporates a releasing portion and a joint portion. When internal pressure rises, the lid member deforms accordingly, allowing gas to escape safely through the releasing portion while maintaining the joint integrity at the opening edge. Additionally, a protrusion of a rib is strategically placed between the releasing portion and the joint portion, enhancing the overall safety features of the battery pack.

Career Highlights

Hidefumi Oishi has garnered extensive experience in his field, working for reputable companies such as Kabushiki Kaisha Toyota Jidoshokki and Toyota Jidosha Kabushiki Kaisha. His roles at these organizations have allowed him to refine his skills in battery technology and innovation, contributing to the development of cutting-edge products.

Collaborations

Throughout his career, Hidefumi Oishi has collaborated with several talented individuals, including coworkers Shintaro Watanabe and Hiromi Ueda. These partnerships have played a vital role in the advancement of his inventions, enabling innovative solutions to emerge through teamwork and shared expertise.

Conclusion

In conclusion, Hidefumi Oishi stands out as a remarkable inventor in the realm of battery technology. With his multiple patents and innovative designs, he continues to pave the way for safer and more efficient battery packs. His contributions not only reflect his ingenuity but also the collaborative spirit of the teams he has worked with, marking him as a prominent figure in this vital field of technology.