This inventor holds 1 USPTO granted patent. Top assignees: Mazda Motor Corporation, Nippon Kokan Kabushiki Kaisha. Active years: 1992.
Company Filing History:
1 out of 4,746 
1 out of 487 Years Active: 1992
Title: The Innovations of Tomeji Doi
Introduction
Tomeji Doi is a notable inventor based in Kanagawa, Japan. He is recognized for his contributions to the field of materials science, particularly in the development of vibration-damping technologies. His innovative approach has led to advancements that benefit various industries.
Latest Patents
Doi holds a patent for a vibration-damping composite sheet steel. This invention involves a unique design that sandwiches a viscoelastic material between two steel sheets. A rust-proofing coating, which generates no gaseous matter, is formed on one surface of each steel sheet that contacts the viscoelastic material. The coating is either a phosphate coating with a coating weight of 0.5 g/m² or over, or a galvanized zinc coating that includes no zinc oxide. This patent showcases Doi's commitment to enhancing material performance and durability.
Career Highlights
Throughout his career, Tomeji Doi has worked with prominent companies such as Nippon Kokan Kabushiki Kaisha and Mazda Motor Corporation. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to the advancement of technology in the automotive and manufacturing sectors.
Collaborations
Doi has collaborated with notable individuals in his field, including Yukichi Watanabe and Masafumi Yoshida. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Tomeji Doi's contributions to the field of vibration-damping materials exemplify the impact of innovation on industry. His patent and career achievements reflect a dedication to improving material performance, making him a significant figure in the realm of inventions.