This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignees: Nippon Electric Co., Ltd., Nec Corporation. Active years: 1976-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JA (1976 - 1978)
- Tokyo, JP (1980 - 2004)
Company Filing History:
Years Active: 1976-2004
Title: Masatomo Yonezawa: Innovator in Battery Technology
Introduction
Masatomo Yonezawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, holding a total of 9 patents. His work focuses on developing advanced secondary batteries that enhance performance and safety.
Latest Patents
Yonezawa's latest patents include a nonaqueous electrolyte type secondary battery with a film casing. This innovative battery design features an electricity generating element that includes a positive electrode made from a lithium-manganese compound oxide, a negative electrode, an electrolyte, and a separator. The battery is encased in films that provide additional protection. Notably, it incorporates a composition that allows the electrolyte to react with water, producing hydrogen ions, and includes a hydrogen ion uptaking agent that contacts the electrolyte. This design results in improved charge-discharge cycle characteristics, storage characteristics, and safety, while minimizing swelling during repeated cycles. Another significant patent is for a nonaqueous electrolyte solution secondary battery that utilizes lithium-manganese composite oxide for the positive electrode. This battery is designed to enhance charge and discharge cycle properties, retention properties, and overall safety.
Career Highlights
Throughout his career, Masatomo Yonezawa has worked with notable companies such as Nippon Electric Co., Ltd. and NEC Corporation. His experience in these organizations has contributed to his expertise in battery technology and innovation.
Collaborations
Yonezawa has collaborated with esteemed colleagues, including Tomeji Ohno and Kazuaki Utsumi. These partnerships have fostered advancements in the field of battery technology.
Conclusion
Masatomo Yonezawa's contributions to battery technology through his innovative patents and collaborations highlight his role as a leading inventor in this field. His work continues to influence the development of safer and more efficient energy storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile