Company Filing History:
3 out of 2,637 
2 out of 2 Years Active: 1992-1994
Title: Ryotomo Shirakawa: Innovator in Electric Contact Materials
Introduction
Ryotomo Shirakawa is a notable inventor based in Imaichi, Japan. He has made significant contributions to the field of electric contact materials, holding a total of 3 patents. His work focuses on enhancing the performance and durability of electric contacts used in various applications.
Latest Patents
Shirakawa's latest patents include innovative electric contact materials that incorporate lithium oxide and rare earth elements. One of his patents describes an electric contact material containing lithium oxide in the range of 0.01 to 2.0% by weight, along with at least one rare earth element and silver or silver alloy as the remaining portion. This material exhibits excellent arc resistance, wear resistance, and lubricity, making it suitable for slide and rotary slide contacts. Another patent outlines a method for continuously processing wire material, showcasing his expertise in material science and engineering.
Career Highlights
Throughout his career, Ryotomo Shirakawa has worked with prominent companies such as Furukawa Electric Co., Ltd. and Mabuchi Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric contact technology.
Collaborations
Shirakawa has collaborated with notable colleagues, including Akira Matsuda and Satoshi Suzuki. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Ryotomo Shirakawa's contributions to electric contact materials demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of material properties and their applications in technology.