Company Filing History:
Years Active: 1979
Title: The Innovations of Mashiro Oita
Introduction
Mashiro Oita is a notable inventor based in Kashiwara, Japan. He has made significant contributions to the field of electrical materials, particularly through his innovative patent. His work focuses on enhancing the performance and durability of electrical contact materials.
Latest Patents
Oita holds a patent for an electrical contact material and method of making the same. This invention comprises a unique combination of silver, bismuth oxide, and tin oxide, with or without tin metal. The specific amounts of bismuth and tin are crucial, ranging from 1.5 to 6 weight percent and 0.1 to 6 weight percent, respectively. This electrical contact material is designed to exhibit high resistance to both welding and arc erosion, making it highly effective in various applications. The advantageous method of creating this material involves preparing a metal alloy composed of the specified metals in the defined weight ratio and internally oxidizing the bismuth completely in the alloy after shaping or crushing it.
Career Highlights
Oita is associated with Matsushita Electric Industrial Co., Ltd., a prominent company in the electronics industry. His work there has allowed him to focus on developing advanced materials that meet the growing demands of electrical applications.
Collaborations
Throughout his career, Oita has collaborated with notable colleagues, including Sankichi Shida and Shinji Okuma. These partnerships have contributed to the advancement of his research and the successful development of innovative materials.
Conclusion
Mashiro Oita's contributions to electrical contact materials demonstrate his commitment to innovation and excellence in the field. His patent reflects a significant advancement in material science, showcasing the potential for improved performance in electrical applications.