Company Filing History:
Years Active: 1989-1990
Title: Innovative Contributions of Kimiko Kumazawa
Introduction
Kimiko Kumazawa is a prominent inventor based in Ikoma, Japan. With a remarkable portfolio that includes two patents, Kumazawa has made significant advancements in the field of non-linear resistance ceramic compositions, showcasing a blend of innovation and technical expertise that has potential applications in various electronic devices.
Latest Patents
Kumazawa's latest patented inventions focus on voltage-dependent non-linear resistance ceramic compositions. The first patent outlines a ceramic composition that utilizes SrTiO.sub.3 as the host material, integrating Dy.sub.2 O.sub.3 and Nb.sub.2 O.sub.5 or Ta.sub.2 O.sub.5 as accelerating agents for semiconductorization. This unique formulation modifies the crystal structure to achieve low resistance while increasing resistance at crystal boundaries, allowing for improved baristor characteristics, surge absorption, and noise elimination.
The second patent further explores this voltage-dependent non-linear resistance ceramic composition by decreasing resistance through the inclusion of various oxides as additives, including MnO.sub.2, Ga, and Al. The results yield high resistance layers at the boundaries of crystal granules, effectively allowing the creation of elements that exhibit both varistor and capacitor characteristics.
Career Highlights
Kumiko Kumazawa has been involved with Matsushita Electric Industrial Co., Ltd., a company recognized for its cutting-edge technology and innovation in electronics. Her work in developing advanced ceramic compositions has contributed to the company's reputation for pioneering research and development in the electronics sector.
Collaborations
Throughout her career, Kumazawa has collaborated with talented colleagues such as Keiichi Noi and Akihiro Takami. These collaborations have fostered a vibrant environment for innovation, allowing for the exchange of ideas and expertise that enhances their collective work in the field of materials science.
Conclusion
Kimiko Kumazawa stands out as an influential inventor whose work in voltage-dependent non-linear resistance ceramic compositions has significant implications for the electronics industry. Her innovative patents and collaborative efforts with fellow researchers exemplify her commitment to advancing technology, demonstrating the vital role of inventors in shaping the future of electronic devices.