Masayuki Onuma

Title: Masayuki Onuma: Innovator in Battery Technology

Introduction

Masayuki Onuma is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of battery technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and sustainability of energy storage solutions.

Latest Patents

Onuma's latest patents include a nonaqueous electrolyte secondary battery that features a carbonaceous material in its negative electrode. This innovative battery design includes a case with a wall thickness not larger than 0.3 mm, a positive electrode, and a nonaqueous electrolyte containing a solvent such as γ-butyrolactone. Notably, this battery demonstrates minimal voltage reduction due to self-discharge, maintaining performance even at elevated temperatures. Another significant patent involves a method for recovering lithium from batteries. This method utilizes an acidic solution to dissolve lithium-containing components, followed by the addition of an alkaline material to precipitate transition metals, allowing for efficient lithium extraction.

Career Highlights

Masayuki Onuma is associated with Kabushiki Kaisha Toshiba, a leading company in technology and innovation. His work at Toshiba has positioned him as a key player in the development of advanced battery technologies.

Collaborations

Onuma has collaborated with notable colleagues, including Masaru Hayashi and Motonaka Yabuki. Their combined expertise has contributed to the successful development of innovative solutions in the field of battery technology.

Conclusion

Masayuki Onuma's contributions to battery technology reflect his commitment to innovation and sustainability. His patents not only advance the field but also pave the way for future developments in energy storage solutions.