Company Filing History:
Years Active: 1991-1992
Title: **Masaharu Yida: Innovator in Electrical Contact Materials**
Introduction
Masaharu Yida, an esteemed inventor based in Tokyo, Japan, is recognized for his significant contributions to the field of electrical contact materials. With two patents to his name, Yida combines innovative engineering techniques with advanced material science to create high-performance alloys.
Latest Patents
Yida's most recent patents involve the development of novel Ag-SnO-CdO electrical contact materials and their manufacturing methods. The innovative Ag alloys contain 5-12 weight % of Sn, 0.5-5 weight % of Cd, and a majority balance of Ag. The alloys are meticulously prepared through a melting and internal oxidation process. The manufacturing method is unique, conducted in an oxygen atmosphere ranging from 10 atm to 200 atm, at temperatures between 500°C and 750°C, ensuring that the alloys maintain a solid phase without any liquid phase involvement. Another aspect of his patent involves achieving complete and uniform internal oxidation of Sn contents in the alloys, assisted by minimal amounts of Pb or Zr. This internal oxidation occurs under elevated oxygen pressures, significantly enhancing the performance of the electrical contact materials.
Career Highlights
Masaharu Yida works at Chugai Denki Kogyo Co., Ltd., a company known for its innovative technological advancements in electrical materials. His commitment to research and development has led to significant breakthroughs in electrical contact technologies, contributing to broader applications in various industries.
Collaborations
Throughout his career, Yida has collaborated with notable colleagues, such as Seiichi Tanaka and Teruo Hirata. These partnerships have fostered a synergistic environment that enhances the innovation process, leading to impactful inventions in their field.
Conclusion
Masaharu Yida stands out as a prominent inventor in the realm of electrical contact materials. His advanced patents reflect a deep understanding of alloy compositions and manufacturing techniques that push the boundaries of material science. Through continued collaboration and innovation, Yida remains a vital contributor to technological advancements in electrical engineering.