Location History:
- Osaka, JP (2011 - 2013)
- Ikeda, JP (2013 - 2019)
- Kisarazu, JP (2019)
- Tokyo, JP (2021 - 2024)
Company Filing History:
7 out of 1,101 
5 out of 3,542 
4 out of 8 
Years Active: 2011-2025
Title: Innovations of Tatsuo Nagata in Nickel-Hydrogen Battery Technology
Introduction
Tatsuo Nagata is a prominent inventor based in Ikeda, Japan, known for his significant contributions to the field of nickel-hydrogen battery technology. With a total of 16 patents to his name, Nagata has developed innovative materials and methods that enhance the performance and efficiency of these batteries. His work has been instrumental in advancing energy storage solutions.
Latest Patents
Nagata's latest patents include a Ni-plated steel foil designed for nickel-hydrogen secondary battery current collectors. This innovation features a high-strength steel foil that is lightweight, economical, and exhibits excellent rust resistance and resistance to metal ion leaching. The Ni-plated steel foil has specific chemical compositions, including carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen, and titanium or niobium, ensuring optimal performance. Additionally, he has developed a negative electrode active material that excels in capacity, capacity retention ratio, and coulombic efficiency during repeated charging and discharging cycles.
Career Highlights
Throughout his career, Tatsuo Nagata has worked with notable companies such as Nippon Steel & Sumitomo Metal Corporation and Nippon Steel Corporation. His experience in these organizations has allowed him to refine his expertise in materials science and battery technology, leading to his numerous patents and innovations.
Collaborations
Nagata has collaborated with esteemed colleagues, including Sukeyoshi Yamamoto and Noriyuki Negi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in battery technology.
Conclusion
Tatsuo Nagata's contributions to nickel-hydrogen battery technology through his innovative patents and collaborations have significantly impacted the field. His work continues to pave the way for advancements in energy storage solutions, showcasing the importance of innovation in modern 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.