Company Filing History:
4 out of 6,892 
4 out of 32 Years Active: 2020-2022
Title: **Kimiyasu Nakao: Pioneering Innovations in Lithium Battery Technology**
Introduction
Kimiyasu Nakao is a notable inventor based in Fukui, Japan, recognized for his significant contributions to the field of lithium secondary batteries. With a total of four patents to his name, Nakao has developed groundbreaking technologies that enhance battery performance and efficiency.
Latest Patents
Nakao's most recent patents demonstrate his innovative approach to lithium secondary batteries. His inventions include:
1. **Positive electrode active material for lithium secondary batteries**
2. **Method of producing positive electrode active material for lithium secondary batteries**
3. **Positive electrode for lithium secondary batteries**
4. **Lithium secondary battery** - This particular invention details a positive electrode active material capable of being doped and undoped with lithium ions, containing a unique composition of sulfur atoms and sulfuric acid radicals. The parameters specify a ratio P/Q of sulfur concentration that falls within certain precise limits to optimize battery functionality.
Career Highlights
Throughout his career, Nakao has been affiliated with prominent companies, notably Sumitomo Chemical Company, Limited and Tanaka Chemical Corporation. His work has focused on advancing battery materials, leading to significant advancements in energy storage technology.
Collaborations
Nakao has collaborated with esteemed colleagues in the industry, including Hiroyuki Kurita and Kenji Takamori. These partnerships have fostered a dynamic exchange of ideas and expertise, contributing to the progression of innovative solutions in battery technology.
Conclusion
Kimiyasu Nakao stands as a crucial figure in the development of lithium battery technology. His patents and collaborative efforts signify a commitment to innovation, enhancing the way we utilize energy storage solutions in various applications. As the demand for efficient batteries continues to grow, Nakao's contributions are certainly paving the way for future advancements in this essential field.
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.