Shizuoka, Japan

Makoto Kuroiwa

This inventor holds 6 USPTO granted patents and 1 published patent application and 7 EPO patents. Top assignee: Yamaha Hatsudoki Kabushiki Kaisha. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Kuroiwa. Retrieved from https://idiyas.com/inventor/makoto-kuroiwa

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.6

ph-index = 2

Forward Citations = 6(Granted Patents)


Location History:

  • Iwata, JP (2020)
  • Shizuoka, JP (2014 - 2024)

Company Filing History:


Years Active: 2014-2025

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6 patents (USPTO):Explore Patents

Title: The Innovations of Makoto Kuroiwa

Introduction

Makoto Kuroiwa is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of engineering, particularly in the design and development of straddled vehicles. With a total of six patents to his name, Kuroiwa's work showcases his innovative approach to vehicle technology.

Latest Patents

Kuroiwa's latest patents include advanced designs for straddled vehicles. One patent describes a straddled vehicle that features a vehicle body frame, an engine unit, and at least one front wheel. The engine unit is equipped with a turbocharger and an engine body that includes a cylinder head and a cylinder head cover. The design ensures that when the vehicle body frame is upright, the turbocharger's rotation axis and other critical components are strategically positioned for optimal performance. Another patent focuses on a straddled vehicle with an engine unit that includes a forward-tilting cylinder axis, a radiator, a turbocharger, and an intercooler. This design emphasizes the arrangement of components to enhance efficiency and functionality.

Career Highlights

Kuroiwa is currently employed at Yamaha Hatsudoki Kabushiki Kaisha, a leading company in the automotive industry. His work at Yamaha has allowed him to push the boundaries of vehicle design and technology. His innovative spirit and technical expertise have made him a valuable asset to the company.

Collaborations

Throughout his career, Kuroiwa has collaborated with talented individuals such as Hayatoshi Sato and Masaki Torigoshi. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field of straddled vehicles.

Conclusion

Makoto Kuroiwa's contributions to the field of vehicle technology are noteworthy. His innovative designs and patents reflect his commitment to advancing engineering solutions. As he continues to work at Yamaha, his impact on the industry is sure to grow.

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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