This inventor holds 2 USPTO granted patents. Top assignees: Prime Planet Energy & Solutions, Inc., Toyota Jidosha Kabushiki Kaisha, Toyota Battery Co., Ltd.. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 320 
2 out of 39,010 
1 out of 18 Years Active: 2025-2026
Title: Kazutaka Yoshikawa: Innovator in Nonaqueous Electrolyte Rechargeable Batteries
Introduction
Kazutaka Yoshikawa is a notable inventor based in Hamamatsu, Japan. He is recognized for his contributions to the field of battery technology, particularly in the development of nonaqueous electrolyte rechargeable batteries. His innovative work has led to advancements that enhance the efficiency and performance of rechargeable battery systems.
Latest Patents
Yoshikawa holds a patent for a nonaqueous electrolyte rechargeable battery and a method for manufacturing the positive plate of this battery. The patent describes a nonaqueous electrolyte rechargeable battery that includes a positive plate, a negative plate, a separator, and a nonaqueous electrolytic solution. The positive plate features a positive current collector and a positive composite layer containing a positive active material particle. Additionally, an insulation protective layer is included, which has a smaller thickness and greater porosity than the positive composite layer. This innovative design aims to improve the overall performance and safety of rechargeable batteries.
Career Highlights
Throughout his career, Kazutaka Yoshikawa has worked with prominent companies in the automotive and battery industries. He has been associated with Toyota Battery Co., Ltd. and Toyota Jidosha Kabushiki Kaisha, where he contributed to the development of advanced battery technologies. His expertise in battery design and manufacturing has made a significant impact on the industry.
Collaborations
Yoshikawa has collaborated with notable colleagues, including Shotaro Deguchi and Yoshinori Kudo. These partnerships have fostered innovation and have been instrumental in advancing battery technology.
Conclusion
Kazutaka Yoshikawa's contributions to the field of nonaqueous electrolyte rechargeable batteries highlight his role as a key innovator in battery technology. His patent and career achievements reflect his commitment to enhancing energy storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile