Tokyo, Japan

Toshiaki Kumagai

This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Komatsu Corporation. Active years: 2021-2025.

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

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2021-2025

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5 patents (USPTO):Explore Patents

Title: Toshiaki Kumagai: Innovator in Work Machine Technology

Introduction

Toshiaki Kumagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of work machine technology, holding a total of 5 patents. His innovative approaches have led to advancements in the efficiency and functionality of work implements.

Latest Patents

Kumagai's latest patents include a method for estimating the moment of work implements. This method involves obtaining a first payload computation value that represents the weight of loads on the work implement in a specific attitude. The process compares this value with a second payload computation value to ensure accuracy in weight estimation. Additionally, he has developed a system that includes a work machine and a computer-implemented method for producing a trained position estimation model. This system enhances the precision of positional estimation for work implements, allowing for improved operational efficiency.

Career Highlights

Kumagai is currently employed at Komatsu Corporation, a leading company in the construction and mining equipment industry. His work focuses on enhancing the capabilities of work machines through innovative design and technology. His contributions have been instrumental in advancing the company's product offerings and maintaining its competitive edge in the market.

Collaborations

Throughout his career, Kumagai has collaborated with notable colleagues, including Nobuyoshi Yamanaka and Kensuke Fujii. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in the field.

Conclusion

Toshiaki Kumagai's work exemplifies the spirit of innovation in the field of work machine technology. His patents and contributions continue to shape the industry, making significant strides in efficiency and functionality.

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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