Company Filing History:
6 out of 91 
1 out of 238 Years Active: 2019-2023
Title: Hiroki Yamashita: Innovator in Energy Storage Technology
Introduction
Hiroki Yamashita, a notable inventor based in Sakura, Japan, has made significant strides in the field of energy storage technology. With a total of six patents to his name, he focuses on the development of advanced materials for lithium-ion and sodium-ion secondary cells, pushing the boundaries of battery performance and efficiency.
Latest Patents
Yamashita's latest innovations include two significant patents. The first patent revolves around a positive-electrode active material for secondary cells which provides enhanced charge/discharge characteristics. This invention includes a positive-electrode active material comprising specific oxides and carbon derived from cellulose nanofiber.
The second patent details a positive electrode active substance designed to effectively suppress moisture adsorption, thus improving the performance of lithium-ion and sodium-ion secondary cells. This substance incorporates a range of compounds, including graphite and metal fluoride, supported by a composite containing iron or manganese.
Career Highlights
Yamashita has contributed his talents to esteemed companies such as Taiheiyo Cement Corporation and Denso Corporation, where he applied his innovative expertise to real-world applications. His work in these industries has notably influenced advancements in energy storage solutions and materials science.
Collaborations
During his career, Yamashita has collaborated with several talented individuals, including Takaaki Ogami and Tomoki Hatsumori. These collaborations have fostered a dynamic exchange of ideas and have been pivotal in driving forward innovative projects that leverage advanced technologies.
Conclusion
Hiroki Yamashita's inventive contributions highlight the importance of continuous innovation in energy storage technology. Through his patents and collaborative efforts, he is paving the way for more efficient and high-performing battery solutions that could significantly impact the future of energy storage.