Company Filing History:
Years Active: 2014-2017
Title: Keiichi Hayashi: Innovator in Lithium-Ion Battery Technology
Introduction
Keiichi Hayashi is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of lithium-ion battery technology, holding a total of 8 patents. His work focuses on developing advanced materials for negative electrodes, which are crucial for enhancing battery performance.
Latest Patents
Hayashi's latest patents include innovations related to negative-electrode materials and their applications in lithium-ion secondary batteries. One of his notable inventions involves a negative-electrode material that consists of active-material particles capable of sorbing and desorbing lithium ions. These particles undergo an alloying reaction with lithium and are designed to have a particle diameter of 1 µm or more, comprising 85% by volume of the total material. Additionally, the material exhibits a BET specific surface area of 6 m/g or less and a 'D' value of 4.5 µm or more. Another patent describes a negative electrode that includes a current collector and an active-material layer, which also features particles with similar specifications, ensuring optimal performance in lithium-ion batteries.
Career Highlights
Throughout his career, Keiichi Hayashi has worked with notable organizations, including Toyota Jidoshokki and Gunma University. His experience in these institutions has allowed him to collaborate on various projects aimed at improving battery technology and materials science.
Collaborations
Hayashi has collaborated with esteemed colleagues such as Manabu Miyoshi and Yuichi Hirakawa. Their joint efforts have contributed to advancements in the field of lithium-ion batteries, further establishing Hayashi's reputation as an innovator.
Conclusion
Keiichi Hayashi's contributions to lithium-ion battery technology through his patents and collaborations highlight his role as a key inventor in this field. His work continues to influence the development of more efficient and effective battery systems.