Company Filing History:
Years Active: 2021
Title: Hirofumi Tagawa: Innovator in Coin-Type Battery Technology
Introduction
Hirofumi Tagawa is a prominent inventor based in Kyoto, Japan. He is known for his significant contributions to battery technology, particularly in the development of coin-type batteries. His innovative approach has led to advancements that enhance the reliability and efficiency of these essential power sources.
Latest Patents
Hirofumi Tagawa holds a patent for a coin-type battery and its manufacturing method. This invention focuses on creating a coin-type battery using a sealing can that lacks a fold portion in its side wall. The result is a battery that boasts excellent reliability, mass productivity, and improved sealing properties. By increasing the housing space for the electrode body, the capacity of the battery is also enhanced. The design features an open end portion of the side wall that does not bend inward or outward, ensuring a smooth edge without sharp angles. Additionally, a cut-off portion is incorporated into the inner circumference of the upper end, allowing for a secure fit with a gasket that has a smaller inner diameter than the external diameter of the sealing can. The exterior can is then caulked, completing the manufacturing process of the coin-type battery.
Career Highlights
Hirofumi Tagawa is currently employed at Maxell Holdings, Ltd., where he continues to innovate in the field of battery technology. His work has not only contributed to the advancement of coin-type batteries but has also positioned him as a key figure in the industry.
Collaborations
Throughout his career, Hirofumi has collaborated with notable colleagues, including Kunihiko Koyama and Toshihiko Ishihara. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Hirofumi Tagawa's contributions to coin-type battery technology exemplify the impact of innovative thinking in the field of energy solutions. His patent and ongoing work at Maxell Holdings, Ltd. highlight his commitment to enhancing battery performance and reliability.