Company Filing History:
Years Active: 1982-1987
Title: Kazumasa Matsui: Innovator in Sodium-Sulfur Storage Battery Technology
Introduction
Kazumasa Matsui is a prominent inventor based in Takatsuki, Japan. He has made significant contributions to the field of energy storage, particularly through his work on sodium-sulfur storage batteries. With a total of 3 patents to his name, Matsui continues to push the boundaries of innovation in battery technology.
Latest Patents
Matsui's latest patents focus on advancements in sodium-sulfur storage batteries. One of his notable inventions describes a sodium-sulfur storage battery that includes an alpha alumina ring, a sodium conductive solid electrolyte tube, and a solder glass jointing these components. This design features a groove at the open end of the alpha alumina ring, which is crucial for collecting the solder glass. The groove's width ranges from 0.2 mm to 5 mm, and its depth varies from 0.2 mm to 10 mm. Additionally, the surface of the solder glass is positioned inward from the end surface of the alpha alumina ring, enhancing the battery's efficiency.
Another patent by Matsui discloses a sodium-sulfur storage battery that utilizes the inside of a sodium-ion conductive solid electrolyte tube as a negative chamber. This design incorporates an alpha-alumina ring joined with solder glass to the open end of the electrolyte tube. It also features a flanged aluminum housing with a fine hole at its bottom, which is integrated into the solid electrolyte tube. The negative auxiliary cover is thermo-compressively jointed to the upper surface of the alpha-alumina ring, while a negative cover is equipped with a negative current collector terminal welded to the auxiliary cover.
Career Highlights
Kazumasa Matsui has established himself as a key figure in the battery technology sector. He is currently employed at Yuasa Battery Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of sodium-sulfur storage batteries, which are essential for energy storage solutions.
Collaborations
Matsui has collaborated with several talented individuals in his field, including Suminobu Iwabuchi and Hiroshi Kagawa. These collaborations have contributed to the successful development of his patented technologies.
Conclusion
Kazumasa Matsui is a dedicated inventor whose
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