Location History:
- Yokosuka, JP (2009 - 2015)
- Kanagawa, JP (2018)
Company Filing History:
13 out of 13,395 
3 out of 940 
Years Active: 2009-2018
Title: Hirofumi Yasuda: Innovator in Non-Aqueous Electrolyte Secondary Batteries
Introduction
Hirofumi Yasuda is a prominent inventor based in Yokosuka, Japan. He has made significant contributions to the field of battery technology, particularly in the development of non-aqueous electrolyte secondary batteries. With a total of 13 patents to his name, Yasuda's work has had a substantial impact on energy storage solutions.
Latest Patents
One of Yasuda's latest patents focuses on a non-aqueous electrolyte secondary battery that effectively suppresses local reactions of the negative electrode active material during charging and discharging. This innovation improves the capacity retention ratio by utilizing carbon materials, such as artificial graphite particles, for the negative electrode active material. The design includes a negative electrode with a carbon-based active material, an electrolyte layer, and a positive electrode with a specific tap density of the negative electrode active material of 0.96 g/cc or more. Another notable patent involves a non-aqueous electrolyte composition that boasts excellent high-temperature stability. This composition is used in a non-aqueous electrolyte secondary battery, which includes a supporting electrolyte, an organic solvent, and specific chemical compounds that enhance its performance.
Career Highlights
Throughout his career, Yasuda has worked with notable companies, including Nissan Motor Company Limited and Renault S.a.s. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to innovative projects.
Collaborations
Yasuda has collaborated with esteemed colleagues, including Katsuo Suga and Kazuyuki Shiratori. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Hirofumi Yasuda's contributions to the field of non-aqueous electrolyte secondary batteries highlight his innovative spirit and dedication to advancing energy storage solutions. His patents and collaborations reflect a commitment to improving battery technology for future applications.
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.