Location History:
- Samukawa, JP (1985)
- Yokohama, JP (1981 - 2018)
Company Filing History:
2 out of 76 
1 out of 3 
1 out of 164 Years Active: 1981-2018
Title: Kazumasa Yoshida: Innovator in Flexible Substrates and Alkaline Cells
Introduction
Kazumasa Yoshida is a prominent inventor based in Yokohama, Japan. With a remarkable portfolio of four patents, he has made significant contributions to the fields of flexible printed wiring substrates and alkaline cells.
Latest Patents
Yoshida’s latest innovations include two noteworthy patents. The first is a flexible printed wiring substrate that addresses common issues found in traditional designs. This invention features a branch structure, comprised of first and second bodies joined together, allowing one body to fold back along the substrate's longitudinal direction. This design improves adhesive strength and minimizes the risk of peeling and gaps during soldering, enhancing the overall durability of the wiring substrate.
His second significant invention is an alkaline cell, which consists of an anode made by amalgamating an alloy powder of zinc and selected metals such as gallium, indium, and thallium. This design innovatively limits mercury content to a range of 0.05 to 1.80% by weight, which is vital for optimizing performance while mitigating environmental risks.
Career Highlights
Kazumasa Yoshida has been associated with notable companies in the field of battery technology. He has worked with Toshiba Battery Co., Ltd. and Toshiba Ray-o-vac Co., Ltd., where he further honed his skills and contributed to advancements in battery innovations. His work at these companies helped bridge the gap between theoretical research and practical applications in energy solutions.
Collaborations
Throughout his career, Yoshida has collaborated with esteemed colleagues such as Akio Nagamine and Akira Hayashi. These collaborations have facilitated the exchange of ideas and knowledge, fostering an environment of innovation and creativity in their respective projects.
Conclusion
Kazumasa Yoshida's dedication to innovation is evident through his impactful patents and collaborative efforts. His inventions in flexible substrates and alkaline cells not only showcase his technical expertise but also reflect a commitment to advancing technology in sustainable ways. As the field continues to evolve, Yoshida stands as a significant figure in fostering innovations that may shape the future of electronic components and energy storage solutions.