This inventor holds 8 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: Panasonic Corporation, Matsushita Electric Industrial Co., Ltd.. Active years: 2007-2012.
Location History:
- Sakai, JP (2007)
- Hyogo, JP (2009 - 2012)
Company Filing History:
7 out of 16,454 
1 out of 27,375 
Years Active: 2007-2012
Title: Yasushi Sumihiro: Innovator in Battery Technology
Introduction
Yasushi Sumihiro is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of battery technology, holding a total of 8 patents. His work primarily focuses on alkaline batteries, showcasing innovative designs and materials that enhance performance and efficiency.
Latest Patents
One of Yasushi Sumihiro's latest inventions is an alkaline dry battery. This battery features a cylindrical positive electrode mixture that includes manganese dioxide powder and nickel oxyhydroxide powder. It also incorporates a gelled negative electrode made from zinc alloy powder, with a separator placed between the positive and negative electrodes. The design ensures that the gelled negative electrode is effectively filled within the hollow of the positive electrode mixture, adhering to specific height and length relations for optimal performance.
Another significant patent is for an alkaline primary battery that includes a positive electrode containing manganese dioxide and nickel oxyhydroxide, along with a zinc-based negative electrode. This invention also features a separator, an alkaline electrolyte, and a battery case that houses all components. A unique sealing agent is applied between the battery case and the gasket, enhancing the battery's durability and efficiency.
Career Highlights
Yasushi Sumihiro has worked with prominent companies in the electronics and battery industries, including Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in battery technology.
Collaborations
Throughout his career, Yasushi has collaborated with talented individuals such as Seiji Wada and Ichiro Matsuhisa. These partnerships have contributed to the advancement of his inventions and the overall progress in battery technology.
Conclusion
Yasushi Sumihiro's contributions to battery technology through his innovative patents have made a significant impact in the field. His work continues to influence the development of more efficient and reliable battery systems.