Location History:
- Niihama, JP (2013)
- Ehime, JP (2015 - 2018)
Company Filing History:
Years Active: 2013-2018
Title: **Minoru Shiraoka: Innovator in Alkaline Battery Technology**
Introduction
Minoru Shiraoka is a notable inventor based in Ehime, Japan, recognized for his contributions to the field of alkaline battery technology. With a portfolio of four patents, Shiraoka has been at the forefront of developing innovative materials for positive electrodes in alkaline secondary batteries. His work focuses on improving the performance and efficiency of these energy storage systems.
Latest Patents
Shiraoka's latest patents include significant advancements in coated nickel hydroxide powder for use as a positive electrode active material in alkaline secondary batteries. One of his recent inventions details a method for producing this coated nickel hydroxide powder, where the pH of a nickel hydroxide powder suspension is maintained between 8 and 11.5. This process incorporates the use of an aqueous cobalt salt solution to coat the nickel hydroxide particles with cobalt hydroxide. Furthermore, Shiraoka’s work specifies that after coating, the pH of the resulting slurry should be adjusted to between 12.5 and 13.0, with sufficient oxygen supplied to facilitate the oxidation of cobalt hydroxide effectively.
Another patent describes a coated nickel hydroxide powder featuring a cobalt compound coating that enhances both the uniformity and adhesion properties of the particles. This invention is particularly suitable for use as a positive electrode active material due to its improved transmittance ratio, indicating enhanced performance metrics.
Career Highlights
Minoru Shiraoka is associated with Sumitomo Metal Mining Company, Ltd., a renowned entity in the materials and mining industry. His work has contributed greatly to the company’s innovations in battery technology, aligning with modern demands for efficient energy storage solutions.
Collaborations
In his journey of innovation, Shiraoka collaborates with notable colleagues, including Ryuichi Kuzuo and Katsuya Kase. Together, they have contributed to advancements in the development of new materials and methods for enhancing battery performance, showcasing the power of teamwork in the realm of scientific research and invention.
Conclusion
Minoru Shiraoka's innovative spirit and dedication to advancing alkaline battery technology make him a significant figure in the field of energy storage. His patents not only illustrate his technical expertise but also hold promise for the future of sustainable energy solutions. As he continues to push the boundaries of invention, Shiraoka remains a key contributor to the evolution of battery technology.