This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Carbide Tools, Inc.. Active years: 1988.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1988
Title: Tomihachi Kumehara: Innovator in Casting Technology
Introduction
Tomihachi Kumehara is a notable inventor based in Kumagaya, Japan. He has made significant contributions to the field of casting technology, particularly through his innovative designs and materials.
Latest Patents
Kumehara holds a patent for a "Cemented carbide sleeve for casting apparatus." This invention features a sleeve that is assembled in a casting apparatus, allowing molten metal to be fed into a die cavity. The sleeve is characterized by its construction from cemented carbide, which includes a hardening phase of WC, with potential substitutions of TaC, NbC, and TiC. The binder phase consists of Co, Ni, Cr, and optionally Mo, ensuring high resistance to oxidation and washing. This design significantly enhances the lifespan of the sleeve when used in die-casting or low-pressure casting apparatuses.
Career Highlights
Kumehara is currently employed at Hitachi Carbide Tools, Inc., where he continues to innovate and develop advanced materials for casting applications. His work has been instrumental in improving the efficiency and durability of casting processes.
Collaborations
Kumehara collaborates with Masayuki Matsuzaki, contributing to the advancement of technology in their field.
Conclusion
Tomihachi Kumehara's contributions to casting technology through his patented innovations demonstrate his expertise and commitment to enhancing industrial processes. His work continues to influence the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile