Saitama, Japan

Makoto Igarashi

This inventor holds 4 USPTO granted patents. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2002-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Igarashi. Retrieved from https://idiyas.com/inventor/makoto-igarashi-9lo0h73t

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

Calculating rank

% Patents Active = 25.0

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 2002-2013

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4 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Makoto Igarashi**

Introduction

Makoto Igarashi, an accomplished inventor based in Saitama, Japan, holds an impressive portfolio of four patents. His innovative work primarily focuses on advancements in motorcycle technology, showcasing his dedication to improving vehicle performance and user experience.

Latest Patents

Igarashi's latest patents include two significant inventions:

1. **Rear Wheel Suspension Device of Motorcycle**: This invention presents a rear wheel suspension device characterized by a strategic arrangement of upper and lower arm members. The design allows for improved progressive cushion properties while minimizing unnecessary components, enhancing the overall rigidity of the vehicle body frame. The innovative concept ensures that one end of a rear cushion unit connects to the arm member, providing a robust and efficient solution for motorcycle suspension.

2. **Shaft-Drive-Type Power Transmission Device of a Vehicle**: This patent aims to reduce the weight of power transmission devices by addressing the excessive torque transmission issues. By integrating a damper mechanism within the power transmission path from the engine to the final reduction gear, this device effectively manages torque levels, ensuring smoother operational performance and stability.

Career Highlights

Throughout his career, Makoto Igarashi has made significant contributions while working with notable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experiences in these leading automotive companies have undoubtedly influenced his innovative approach to motorcycle design and technology.

Collaborations

Igarashi has collaborated with talented professionals, including Shinji Takayanagi and Toshiaki Takamura. Their collective expertise in the automotive field has driven forward several projects, leading to the successful development of innovative technologies.

Conclusion

With a proven track record of innovation, Makoto Igarashi continues to be a driving force in motorcycle technology. His contributions not only enhance the functionality and performance of vehicles but also inspire future generations of inventors and engineers to explore new possibilities in the realm of transportation.

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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