This inventor holds 3 USPTO granted patents. Top assignees: Daido Steel Co., Ltd., Daido Tokushuko Kabushiki Kaisha, Sumitomo Electric Industries, Limited. Active years: 1986-2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:



Years Active: 1986-2002
Title: Kenji Takahashi: Innovator in Steel and Alloy Technologies
Introduction
Kenji Takahashi is a notable inventor based in Chita, Japan. He has made significant contributions to the fields of materials science and engineering, particularly in the development of advanced steel and alloy products. With a total of 3 patents to his name, his work has had a considerable impact on manufacturing processes and material properties.
Latest Patents
One of Kenji Takahashi's latest patents is for a steel for shaft that boasts corrosion resistance, machinability, and straightness comparable to that of free cutting steel 12L14 plated with nickel. This innovation eliminates the need for surface plating, thereby reducing production costs. The steel composition includes 0.05% by mass or less of carbon, 0.15% by mass or less of silicon, 0.40% by mass or less of manganese, 6.0 to 10.0% by mass of chromium, and other specific elements, with iron as the balance.
Another significant patent is for a high strength, low thermal expansion alloy wire, which is particularly useful for the central section wire of low relaxation overhead power transmission lines. This wire maintains desired tensile strength and elongation while improving rupture twisting. The manufacturing process involves hot rolling, peeling, cold drawing, annealing, and surface coating, with specific conditions to optimize the material properties.
Career Highlights
Throughout his career, Kenji Takahashi has worked with prominent companies such as Daido Steel Co., Ltd. and Sumitomo Electric Industries, Limited. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.
Collaborations
Kenji has collaborated with notable coworkers, including Kenji Isokawa and Kunio Namiki. Their combined efforts have contributed to advancements in the field of materials science.
Conclusion
Kenji Takahashi's innovative work in steel and alloy technologies has led to significant advancements in manufacturing processes and material performance. His contributions continue to influence the industry and pave the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile