This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignees: Sumitomo Electric Hardmetal Corp., Toyota Jidosha Kabushiki Kaisha. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2025
Title: Riku Tadokoro: Innovator in Drill Technology
Introduction
Riku Tadokoro is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of drill technology, showcasing his innovative spirit through his patented inventions. With a focus on enhancing drilling efficiency, Tadokoro's work has implications for various industries.
Latest Patents
Riku Tadokoro holds a patent for a unique drill design. The patent describes a drill where the outer peripheral surface features a first margin that is contiguous to each cutting edge and flank face. Additionally, a second margin is located on the rear side of the first margin in the rotation direction, separated from each flank face and thinning face. The design includes back tapers on the outer peripheral portions of both margins, maintaining the same angle. Notably, the distance between the front ends of the first and second margins is specified to be between 3 mm and 5 mm.
Career Highlights
Throughout his career, Riku Tadokoro has worked with prominent companies such as Sumitomo Electric Hardmetal Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in drilling technology.
Collaborations
Riku has collaborated with talented individuals in his field, including Masashi Yamada and Naoyuki Wakatsuki. These partnerships have fostered innovation and the exchange of ideas, further enhancing the development of new technologies.
Conclusion
Riku Tadokoro's contributions to drill technology exemplify his innovative mindset and dedication to improving industrial tools. His patent and career achievements reflect a commitment to excellence in engineering and design.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile