Company Filing History:
10 out of 13,247 
1 out of 8,776 Years Active: 2019-2025
Title: Norihisa Yamamoto: Innovator in Battery Technology
Introduction
Norihisa Yamamoto is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, particularly in the development of negative electrode materials for nonaqueous electrolyte secondary batteries. With a total of 11 patents to his name, Yamamoto's work has had a substantial impact on the efficiency and performance of modern batteries.
Latest Patents
Yamamoto's latest patents include innovative designs for negative electrode active materials. One of his notable inventions focuses on negative electrode active material particles that can suppress the decrease of charging and discharging cycle characteristics. This invention features composite particles that include a silicate phase and silicon particles dispersed within it, covered by a surface layer made of fluorine resin. Another significant patent involves a negative electrode active material for secondary batteries, which consists of silicate composite particles containing a silicate phase and silicon particles. This silicate phase is an oxide phase that includes silicon, oxygen, and alkali metals, specifically sodium and lithium, with a defined atomic ratio.
Career Highlights
Throughout his career, Norihisa Yamamoto has worked with notable companies in the industry. He has been associated with Panasonic Intellectual Property Management Co., Ltd. and Sanyo Electric Co., Ltd., where he has contributed to advancements in battery technology. His expertise and innovative approach have positioned him as a key figure in the development of efficient battery materials.
Collaborations
Yamamoto has collaborated with several professionals in his field, including Yohei Uchiyama and Tatsuya Akira. These collaborations have further enhanced his research and development efforts, leading to groundbreaking advancements in battery technology.
Conclusion
Norihisa Yamamoto's contributions to battery technology through his innovative patents and collaborations have established him as a leading inventor in the field. His work continues to influence the development of more efficient and effective battery systems.
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.