Company Filing History:
Years Active: 2012-2015
Title: The Innovations of Hideki Tsubata
Introduction
Hideki Tsubata is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nonaqueous secondary batteries. With a total of two patents to his name, Tsubata's work has the potential to impact various applications in energy storage.
Latest Patents
Tsubata's latest patents focus on nonaqueous secondary batteries and methods of using them. The first patent describes a nonaqueous secondary battery that contains a positive electrode with a mixture layer, a negative electrode, and a nonaqueous electrolyte. This battery features a positive electrode made from two or more lithium-containing transition metal oxides with varying average particle sizes. Notably, the lithium-containing transition metal oxide with the smallest average particle size includes one or more of magnesium, titanium, zirconium, germanium, niobium, aluminum, and tin. The second patent also pertains to a nonaqueous secondary battery, which includes a positive electrode with three or more lithium-containing transition metal oxides of different average particle sizes. In this case, the transition metal element of the oxide with the smallest average particle size is partially substituted with a different metal element, and the density of the positive electrode mixture layer is 3.8 g/cm³ or more.
Career Highlights
Throughout his career, Tsubata has worked with prominent companies such as Hitachi Maxell, Limited and Hitachi Maxell Energy, Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to innovative solutions in the energy sector.
Collaborations
Tsubata has collaborated with notable colleagues, including Fusaji Kita and Hiroyasu Inoue. These partnerships have likely facilitated the exchange of ideas and advancements in their respective fields.
Conclusion
Hideki Tsubata's contributions to the development of nonaqueous secondary batteries highlight his innovative spirit and dedication to advancing battery technology. His patents reflect a commitment to improving energy storage solutions, which are crucial for various applications in today's world.