Company Filing History:
Years Active: 2015-2020
Title: Kazumi Hisajima: A Pioneer in Laminated Cell Technology
Introduction
Kazumi Hisajima, a prominent inventor based in Yamato, Japan, has made significant contributions to the field of battery technology with a particular focus on laminated cells. With a total of three patents, Hisajima's work is reshaping the way energy storage solutions are developed and manufactured.
Latest Patents
Hisajima's latest patents highlight his innovative approach to laminated cell design and manufacturing. One of his notable inventions is a laminated cell that includes a stacked structure comprising a negative electrode, a separator, a positive electrode, and another separator. A unique feature of this design is the bonding of a resin member to at least one surface of the positive or negative electrode. This integration addresses the common challenge of misalignment during stacking, thereby enhancing productivity.
Additionally, Hisajima has developed a secondary battery manufacturing method, which involves using a heat-resistant layered separator. His technique employs a pressure vibrator and a jig receiver to hold, pressurize, and vibrate the parts, ensuring effective welding of the resin components by breaking the heat-resistant layers. This method takes automated manufacturing to new heights, offering increased reliability and efficiency in battery production.
Career Highlights
Kazumi Hisajima has had a notable career, contributing his expertise to leading companies such as Nissan Motor Company Limited and Envision AESC Japan Ltd. His work in these organizations has allowed him to apply his innovative ideas directly to practical applications in the automotive and energy sectors.
Collaborations
Throughout his career, Hisajima has collaborated with talented individuals in the field. Notable coworkers include Taewon Kim and Hotaka Ashiya, a skilled woman innovator who has contributed to various projects alongside him. These collaborations have fostered a dynamic environment for innovation, leading to advancements in battery technology.
Conclusion
Kazumi Hisajima is a testament to how innovative thinking can drive progress in technology. His patents in laminated cell technology and efficient manufacturing methods are crucial to the ongoing development of powerful and reliable energy storage solutions. As the demand for advanced batteries continues to grow, Hisajima's contributions are likely to play a pivotal role in shaping the future of energy systems.