Location History:
- Higi-gun, JP (2002)
- Hiki, JP (2007)
- Ogawa, JP (2006 - 2010)
Company Filing History:
5 out of 102 
2 out of 42,508 
Years Active: 2002-2010
Title: The Innovations of Tokiyoshi Hirasawa
Introduction
Tokiyoshi Hirasawa is a notable inventor based in Ogawa, Japan. He has made significant contributions to the field of lead-acid storage batteries, holding a total of 5 patents. His work focuses on improving the durability and efficiency of these batteries, which are widely used in various applications.
Latest Patents
Hirasawa's latest patents include innovations related to the current collector of lead-acid storage batteries. One of his key inventions addresses the issue of corrosion elongation in the positive current collector of lead-acid batteries. The invention outlines a method for preparing a current collector by mixing lead oxide with atomized lead or lead alloy powder, followed by powder-rolling the mixture. This innovative approach aims to inhibit corrosion elongation, thereby enhancing the performance and longevity of lead-acid batteries.
Career Highlights
Throughout his career, Tokiyoshi Hirasawa has worked with prominent companies such as Shin-Kobe Electric Machinery Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in battery technology.
Collaborations
Hirasawa has collaborated with several talented individuals in his field, including Takuya Kinoshita and Hideki Miyazaki. These collaborations have fostered a creative environment that has led to innovative solutions in battery design and functionality.
Conclusion
Tokiyoshi Hirasawa's contributions to the field of lead-acid storage batteries demonstrate his commitment to innovation and improvement. His patents reflect a deep understanding of the challenges faced in battery technology and offer practical solutions to enhance performance. His work continues to influence the industry and pave the way for future advancements.