Mihara, Japan

Isao Tokumaru

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1987.

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

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Isao Tokumaru: Innovator in Sheet Stacking Technology

Introduction

Isao Tokumaru is a notable inventor based in Mihara, Japan. He has made significant contributions to the field of manufacturing technology, particularly in the area of corrugated cardboard processing. His innovative designs have improved efficiency and functionality in industrial applications.

Latest Patents

Tokumaru holds a patent for a sheet stacker designed for corrugation machines. This invention features a cutter that widthwisely cuts a continuously manufactured corrugated cardboard web into sheets. The sheet stacker is equipped with a shingling conveyor, braking apparatus, and multiple transfer conveyors to effectively manage the stacking and ejection of the sheets. The design includes a vertically movable sheet stacking mechanism and an adjustment mechanism that controls the descent speed based on the stacking speed.

Career Highlights

Isao Tokumaru is associated with Mitsubishi Jukogyo Kabushiki Kaisha, where he has applied his expertise in engineering and innovation. His work has led to advancements in manufacturing processes, particularly in the production of corrugated cardboard.

Collaborations

Throughout his career, Tokumaru has collaborated with talented individuals such as Tadashi Hirakawa and Masashi Waseda. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Isao Tokumaru's contributions to the field of manufacturing, particularly through his patented sheet stacker, highlight his role as an innovator. His work continues to influence the efficiency of corrugated cardboard production 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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