Company Filing History:
Years Active: 2016-2022
Title: Kazuhisa Takeda: Innovator in Lithium-Ion Battery Technology
Introduction
Kazuhisa Takeda is a prominent inventor based in Toyota, Japan, recognized for his significant contributions to battery technology. With a remarkable portfolio of 20 patents, Takeda has made strides in the development of lithium-ion secondary batteries, which are crucial for various applications, including electric vehicles and portable electronics.
Latest Patents
One of Kazuhisa Takeda's latest patents involves a lithium-ion secondary battery and the method of producing it. This innovative battery comprises at least a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode features a current collector and a mixture layer that is strategically formed on its surface. This mixture layer includes graphite particles, inorganic filler particles, lithium titanate particles, and a water-based binder. Notably, the inorganic filler particles are designed with an average primary particle size that is half or less than that of the graphite particles, while the lithium titanate particles maintain a size of 1 µm or less, optimizing the battery's performance and efficiency.
Another recent patent from Takeda continues in the realm of lithium-ion battery innovation. This design also incorporates a positive electrode, a separator, and both first and second intermediate layers positioned between them. These layers are specifically crafted to enhance the functionality and safety of the battery. The first intermediate layer utilizes a metal-organic framework that provides structural support while the second layer is designed to be electrically insulating, further improving battery safety.
Career Highlights
Kazuhisa Takeda is associated with Toyota Jidosha Kabushiki Kaisha, widely known as Toyota Motor Corporation, where his expertise in battery technology has contributed to the company’s strides in electric vehicle development. His career is marked by a dedication to research and innovation, yielding advancements that play a pivotal role in the automotive industry.
Collaborations
Throughout his career, Takeda has collaborated with notable coworkers such as Shinsuke Matsuhara and Keisuke Ohara, both of whom have contributed to the innovations at Toyota. Their collective efforts have propelled research initiatives aimed at enhancing the efficiency and sustainability of lithium-ion batteries.
Conclusion
Kazuhisa Takeda’s work and patents in lithium-ion battery technology showcase his commitment to innovation within the automotive industry. His contributions not only underscore the importance of battery advancements but also mark significant steps towards a more sustainable future in transportation. By continually pushing the boundaries of what is possible in energy storage, Takeda exemplifies the spirit of innovation that drives the industry forward.