This inventor holds 5 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignees: Fujitsu Corporation, Fdk Corporation. Active years: 1995-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawasaki, JP (1995 - 1996)
- Kawsaki, JP (1996)
- Yokohama, JP (2019 - 2022)
Company Filing History:
5 out of 39,374 
2 out of 223 
Years Active: 1995-2022
Title: Yuji Kataoka: Innovator in Nickel-Hydrogen Battery Technology
Introduction
Yuji Kataoka is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nickel-hydrogen secondary batteries. With a total of 5 patents to his name, Kataoka's work has been instrumental in advancing energy storage solutions.
Latest Patents
Kataoka's latest patents include innovations in positive electrode active materials for alkaline secondary batteries. One notable patent describes a nickel-hydrogen secondary battery that features an electrode group comprising a separator, a positive electrode, and a negative electrode. The positive electrode contains a unique active material that includes a base particle made of nickel hydroxide with manganese in solid solution, along with a conductive layer made of cobalt compound. This design enhances the battery's performance by optimizing the X-ray absorption edge energy of manganese. Another patent focuses on a positive electrode active material for nickel-hydrogen secondary batteries, which includes a composite particle made of cobalt and nickel compounds. This innovation ensures a specific ratio of elements that improves the battery's efficiency.
Career Highlights
Throughout his career, Yuji Kataoka has worked with notable companies such as Fujitsu Corporation and FDK Corporation. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to various innovative projects.
Collaborations
Kataoka has collaborated with several professionals in his field, including Yoko Toda and Takeshi Ito. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Yuji Kataoka's contributions to nickel-hydrogen battery technology highlight his role as a key innovator in the field. His patents and collaborations reflect a commitment to enhancing energy storage solutions, making a lasting impact on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile