This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Panasonic Intellectual Property Managment Co., Ltd.. Active years: 2025-2026.
Company Filing History:
1 out of 13,338 
1 out of 544 Years Active: 2025-2026
Title: Ryo Kazama: Innovator in Nonaqueous Electrolyte Secondary Batteries
Introduction
Ryo Kazama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nonaqueous electrolyte secondary batteries. With a total of 2 patents to his name, Kazama's work is recognized for its innovative approach to enhancing battery performance.
Latest Patents
Kazama's latest patents include a nonaqueous electrolyte secondary battery and a negative electrode for nonaqueous electrolyte secondary batteries. The nonaqueous electrolyte secondary battery features a positive electrode with a lithium-nickel composite oxide that has a compressive breaking strength of at least 130 MPa. This positive electrode also includes a positive electrode active material layer and a positive electrode additive that contains a lithium-containing metal oxide with an antifluorite structure. His second patent focuses on a negative electrode that incorporates a carbon material and a Si-containing material, ensuring that the Si-containing material constitutes 5 mass % or more of the negative electrode mixture layer.
Career Highlights
Kazama has worked with Panasonic Intellectual Property Management Co., Ltd., where he has contributed to the advancement of battery technologies. His experience in this leading company has allowed him to refine his skills and innovate in the field of energy storage solutions.
Collaborations
Throughout his career, Kazama has collaborated with notable colleagues such as Yuta Kuroda and Manabu Takijiri. These collaborations have further enriched his work and contributed to the development of cutting-edge technologies in the battery sector.
Conclusion
Ryo Kazama stands out as an influential inventor in the realm of nonaqueous electrolyte secondary batteries. His innovative patents and collaborations reflect his commitment to advancing battery technology, making significant strides in energy storage solutions.