Kunihiro Takaoka

Title: Kunihiro Takaoka: Innovator in Secondary Battery Manufacturing

Introduction

Kunihiro Takaoka is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of secondary battery manufacturing. His innovative approach has led to the development of a unique manufacturing method and apparatus that enhances the efficiency of secondary batteries.

Latest Patents

Takaoka holds a patent for a manufacturing method for secondary batteries and a manufacturing apparatus for secondary batteries. This patent is particularly relevant for secondary batteries that feature an electrolyte solution injection hole with a diameter of 1.5 mm or more. The invention includes a battery case with a cover plate that has an electrolyte solution injection hole, along with a sealing member that effectively seals this hole. The manufacturing method consists of a preparing step, where a cell is created by injecting an electrolyte solution into the battery case through the injection hole, followed by placing the sealing member over the hole. The press-fitting step involves press-fitting the sealing member into the injection hole while applying a press-fitting load and ultrasonic vibration at a frequency of 20 kHz or more, in alignment with the press-fitting direction.

Career Highlights

Throughout his career, Takaoka has worked with several prominent companies, including Jet Company Ltd. and Primearth Ev Energy Co., Ltd. His experience in these organizations has contributed to his expertise in battery technology and manufacturing processes.

Collaborations

Takaoka has collaborated with notable colleagues such as Hiroyuki Nishimura and Shigeki Hashimoto. These partnerships have likely fostered innovation and advancements in the field of secondary battery technology.

Conclusion

Kunihiro Takaoka's contributions to the manufacturing of secondary batteries highlight his role as an innovator in this critical area of technology. His patent and career achievements reflect his commitment to advancing battery manufacturing processes.