Location History:
- Aichi, JP (2017)
- Toyota, JP (2014 - 2024)
Company Filing History:
22 out of 36,713 
4 out of 209 
3 out of 7 Years Active: 2014-2025
Title: Masakazu Umehara: Innovator in Electrode Manufacturing and Rechargeable Battery Technologies
Introduction
Masakazu Umehara, based in Toyota, Japan, is a prolific inventor renowned for his contributions to the field of electrode manufacturing and rechargeable battery technologies. With a total of 20 patents to his name, Umehara has significantly impacted the industry through his innovative approaches and methods.
Latest Patents
Among Umehara's latest patents, two notable inventions stand out. The first is an "Apparatus for Manufacturing Electrode Body and Method for Manufacturing Electrode Body". This apparatus features a coater that applies a mixture paste containing an electrode active material to a substrate, functioning as a current collector. Additionally, an attraction magnet is positioned to interact with the applied layer of the mixture paste, altering its surface shape when a metal object is present.
The second patent is related to a "Method for Manufacturing Rechargeable Battery". This method involves forming a mixture layer and an insulating layer on an electrode substrate. The process includes pressing the mixture layer and stretching an extension portion while applying stress that meets specific criteria pertaining to the electrode substrate and insulating layer. These innovative methods aim to enhance the efficiency and functionality of rechargeable batteries.
Career Highlights
Throughout his career, Masakazu Umehara has worked with notable companies such as Toyota Motor Corporation and Fuji Kikai Kogyo Co., Ltd. His experience in these prestigious organizations has played a crucial role in his development as an inventor.
Collaborations
Umehara has collaborated with talented coworkers, including Takahiro Kuhara and Shingo Komura. Their teamwork and shared expertise have contributed to the success of many of Umehara's patents and advancements in technology.
Conclusion
Masakazu Umehara's dedication to innovation in the fields of electrode manufacturing and rechargeable batteries is evident through his extensive portfolio of patents. His inventive spirit, combined with collaborations at leading companies, continues to propel advancements in technology, making significant contributions to the industry and enhancing the possibilities of future innovations.