Takuya Yamawaki

Title: Takuya Yamawaki: Innovator in Battery Technology

Introduction

Takuya Yamawaki is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of battery technology, holding a total of 5 patents. His work focuses on improving the efficiency and reliability of secondary batteries, which are essential for various applications in modern technology.

Latest Patents

One of Takuya Yamawaki's latest patents is a method for producing secondary batteries. This innovative production method aims to reduce the deformation of a current collector during the manufacturing process. The method involves creating an electrode assembly that includes positive and negative electrode plates, along with a positive electrode current collector. The positive electrode plate consists of a positive electrode core and an active material layer. The production process includes an electrode assembly production step and an ultrasonic bonding step, where the positive electrode current collector is ultrasonically bonded to the positive electrode core-stacked portion. This method enhances the structural integrity of the battery components.

Another notable patent involves a secondary battery design that houses a rolled electrode assembly within a prismatic outer body. This design includes a sealing plate made of metal to secure the non-aqueous electrolyte. The rolled electrode assembly is protected by an insulating sheet, ensuring optimal performance and safety. The arithmetic mean roughness of the insulating sheet is specified to be 0.3 µm or more, which contributes to the overall efficiency of the battery.

Career Highlights

Takuya Yamawaki is currently employed at Sanyo Electric Co., Ltd., a company known for its advancements in electronic and battery technologies. His work at Sanyo Electric has positioned him as a key player in the development of innovative battery solutions.

Collaborations

Throughout his career, Takuya has collaborated with notable colleagues, including Eiji Okutani and Masakazu Yamada. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Takuya Yamawaki's contributions to battery technology through his patents and work at Sanyo Electric Co., Ltd. highlight his role as an influential inventor in the field. His innovative methods and designs continue to shape the future of energy storage solutions.