Company Filing History:
1 out of 772 
1 out of 13 Years Active: 1990
Title: The Innovations of Toshihiro Miyakawa
Introduction
Toshihiro Miyakawa is a notable inventor based in Tokyo, Japan. He is recognized for his contributions to the field of materials science, particularly in the development of high-performance steel alloys. His innovative work has led to advancements in various industrial applications.
Latest Patents
Miyakawa holds a patent for a high carbon chromium bearing steel. This unique steel composition features a carbon content ranging from 0.8% to 1.2% by weight. It is characterized by a nickel content of 1.0% to 2.0% by weight, a chromium content of 0.9% to 2.0% by weight, a silicon content of 1.0% to 2.0% by weight, and a sulfur combined and phosphorus content of 0.015% to 0.040% by weight. This innovation enhances the performance and durability of bearing materials used in various machinery.
Career Highlights
Throughout his career, Toshihiro Miyakawa has worked with prominent companies in the steel industry. He has been associated with Koyo Seiko Company, Ltd. and Nippon Koshuha Steel Co., Ltd. His experience in these organizations has contributed significantly to his expertise in material development.
Collaborations
Miyakawa has collaborated with several talented individuals in his field. Notable coworkers include Yoshiaki Hyodo and Masamichi Shibata, who have also made significant contributions to materials science.
Conclusion
Toshihiro Miyakawa's innovative work in high carbon chromium bearing steel exemplifies the importance of advancements in material science. His contributions continue to influence the industry and pave the way for future innovations.