Hiroshima, Japan

Tadayuki Kumagai

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Heavy Industries Limited. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadayuki Kumagai. Retrieved from https://idiyas.com/inventor/tadayuki-kumagai

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 = 3.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Tadayuki Kumagai: Innovator in Corrugated Fiberboard Technology

Introduction

Tadayuki Kumagai is a notable inventor based in Hiroshima-ken, Japan. He has made significant contributions to the field of corrugated fiberboard technology. His innovative approach has led to advancements that improve the quality and efficiency of corrugated fiberboard production.

Latest Patents

Kumagai holds a patent for a "Double facer with threading means." This invention relates to a double facer of a corrugating machine, which aims to enhance the drying and bonding state between a single-faced corrugated fiberboard sheet and a liner. The patent focuses on improving the overall quality of the corrugated fiberboard sheet. The design includes a heating member along the conveying direction of the corrugated fiberboard sheet, a pressing unit that pushes the sheet against the heating member, and a sheet conveying unit for downstream transport. The pressing unit features multiple devices arranged in series, enhancing the bonding process.

Career Highlights

Kumagai is associated with Mitsubishi Heavy Industries Limited, a leading company in the manufacturing sector. His work at Mitsubishi has allowed him to apply his innovative ideas in a practical setting, contributing to the company's reputation for quality and technological advancement.

Collaborations

Kumagai has collaborated with notable coworkers, including Yukuharu Seki and Toshihide Kato. Their combined expertise has fostered a productive environment for innovation and development in their field.

Conclusion

Tadayuki Kumagai's contributions to corrugated fiberboard technology exemplify the impact of innovation in manufacturing processes. His patent and work at Mitsubishi Heavy Industries Limited highlight the importance of continuous improvement in industrial applications.

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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