Company Filing History:
12 out of 13,247 
1 out of 16,453 
Years Active: 2013-2022
Title: Kiyohiro Isii: Innovator in Lithium Battery Technology
Introduction
Kiyohiro Isii, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of battery technology. With a robust portfolio of 13 patents, Isii has focused his innovative efforts primarily on lithium secondary batteries, which are crucial for the advancement of modern electronics and electric vehicles.
Latest Patents
Among his notable patents, Isii has developed a cutting-edge lithium secondary battery incorporating a nonaqueous electrolyte with lithium-ion conductivity. This invention features an intricate electrode group where the negative electrode current collector is strategically designed with a first surface facing outward and a second surface facing inward of the electrode group winding. Lithium metal is deposited on both surfaces by charge, enhancing the battery's efficiency. The negative electrode includes protrusions that further optimize its performance, emphasizing a unique ratio of projected areas on both surfaces, which is pivotal for energy storage capabilities.
Another recent patent by Isii highlights a similar lithium secondary battery design, where the negative electrode current collector consists of different regions that contribute to improved conductivity. The introduction of outer-circumference-side protrusions and inner-circumference-side protrusions on the respective regions allows for a greater surface area, thereby increasing charge retention and overall battery efficiency.
Career Highlights
Isii has built his career within esteemed organizations such as Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His roles in these companies have allowed him to pioneer advancements in battery technologies that support the growing demand for sustainable energy solutions.
Collaborations
Throughout his journey, Isii has collaborated with notable professionals in the field, including Akira Kano and Ryohei Miyamae. These partnerships have fostered a dynamic exchange of ideas, ultimately contributing to the groundbreaking innovations in battery systems.
Conclusion
Kiyohiro Isii's dedication to improving lithium battery technology places him at the forefront of innovation within the industry. His patents not only reflect his expertise as an inventor but also signify the importance of sustainable energy solutions in our modern world. As the demand for efficient and reliable energy sources continues to grow, Isii's contributions will undoubtedly play a critical role in shaping the future of battery technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.