Company Filing History:
Years Active: 1994-1996
Title: Hirofumi Yanagawa: Innovator in Nickel-Metal Hydride Battery Technology
Introduction
Hirofumi Yanagawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nickel-metal hydride secondary cells. With a total of 3 patents to his name, Yanagawa's work has advanced the efficiency and reliability of energy storage solutions.
Latest Patents
Yanagawa's latest patents focus on methods of manufacturing rectangular nickel-metal hydride secondary cells. One of his key inventions describes a rectangular nickel-metal hydride secondary cell that improves air-tightness and prevents deformation of the metal case during the folding process. This design includes a rectangular cylindrical metal case, an electrode group, an alkali electrolyte, and a sealing plate, all working together to enhance the cell's performance. The innovative features of his patents ensure that the folded portion of the metal case maintains an optimal angle, contributing to the overall durability and efficiency of the battery.
Career Highlights
Hirofumi Yanagawa is currently associated with Toshiba Battery Co., Ltd., where he continues to push the boundaries of battery technology. His work has not only contributed to the advancement of nickel-metal hydride cells but has also positioned Toshiba as a leader in the energy storage market. Yanagawa's expertise in this field has made him a valuable asset to his company and the industry at large.
Collaborations
Throughout his career, Yanagawa has collaborated with esteemed colleagues such as Hideaki Kozawa and Kazuo Kojima. These partnerships have fostered an environment of innovation and have led to the successful development of cutting-edge battery technologies.
Conclusion
Hirofumi Yanagawa's contributions to the field of nickel-metal hydride battery technology exemplify his commitment to innovation. His patents and work at Toshiba Battery Co., Ltd. highlight the importance of advancements in energy storage solutions. Yanagawa's ongoing efforts continue to shape the future of battery technology.