Location History:
- Moriguchi, JP (1998 - 2001)
- Aichi, JP (2010)
- Toyohashi, JP (1999 - 2014)
Company Filing History:
12 out of 107 
9 out of 27,375 
3 out of 36,713 
Years Active: 1998-2014
Title: Innovations and Contributions of Shuhei Marukawa in Battery Technology
Introduction: Shuhei Marukawa, a prominent inventor based in Toyohashi, Japan, has made significant contributions to the field of battery technology with a remarkable portfolio of 26 patents. His work focuses primarily on methods related to the disassembly and reuse of secondary batteries, reflecting a commitment to sustainability and innovation in battery management.
Latest Patents: Among his latest inventions, Marukawa's patented method for the separation of secondary batteries stands out. This innovative technique allows for the disassembly of a battery pack to isolate a secondary battery without compromising its performance or remaining life. The process involves using a pair of holding plates that compress the battery pack in a specific direction, measuring the open circuit voltage before and after compression to determine which battery packs can be reused. Additionally, he has developed a novel design for a battery pack that connects a terminal cover and a battery pack case, ensuring electrical connection even when they are not in direct contact. This inventive battery pack design utilizes materials strategically chosen for their conductive and non-conductive properties.
Career Highlights: Marukawa has held notable positions in several leading companies, including Panasonic EV Energy Co., Ltd. and Matsushita Electric Industrial Co., Ltd. His extensive experience in these organizations provided him with the insights necessary to drive advancements in battery technology.
Collaborations: Throughout his career, Marukawa has collaborated with several distinguished professionals, including Toyohiko Eto and Masahiro Misu. These partnerships have fostered an environment of innovation and shared knowledge, contributing to the successful development of his patented technologies.
Conclusion: Shuhei Marukawa's extensive contributions to battery technology exemplify the importance of innovation in creating sustainable solutions for energy storage and management. With his impressive portfolio of patents and collaborative spirit, he continues to inspire future advancements in the field.