Okayama, Japan

Toyohisa Tokumaru

This inventor holds 1 USPTO granted patent. Top assignee: Kawasaki Steel Corporation. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyohisa Tokumaru. Retrieved from https://idiyas.com/inventor/toyohisa-tokumaru

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Toyohisa Tokumaru: Innovator in Roller Reforming Technology

Introduction

Toyohisa Tokumaru is a notable inventor based in Okayama, Japan. He has made significant contributions to the field of engineering, particularly in the area of roller reforming technology. His innovative approach has led to the development of a unique apparatus that enhances the efficiency of steel shaping processes.

Latest Patents

Tokumaru holds 1 patent for his invention titled "Apparatus for reforming rollers for shaping rolled steel." This mechanism simplifies the process of changing the roller width of a roller straightener. It is designed to straighten the warp of rolled sections by utilizing a mechanism that allows at least one straightening roll to move in a direction parallel with a spindle, driven by the spindle's rotational force.

Career Highlights

Throughout his career, Tokumaru has been associated with Kawasaki Steel Corporation, a leading company in the steel industry. His work has significantly impacted the efficiency and effectiveness of steel production processes. His innovative designs have been instrumental in advancing roller straightening technology.

Collaborations

Tokumaru has collaborated with esteemed colleagues such as Toru Takeuchi and Sumihiko Itoh. Their combined expertise has fostered an environment of innovation and creativity within the company.

Conclusion

Toyohisa Tokumaru's contributions to roller reforming technology exemplify the spirit of innovation in the engineering field. His patent and work at Kawasaki Steel Corporation highlight his commitment to improving industrial processes.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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