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For the Inventor, By the Inventor

Saitama, Japan

Ken Yamaguchi

This inventor holds 13 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1983-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken Yamaguchi. Retrieved from https://idiyas.com/inventor/ken-yamaguchi-udsa17pt

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 11

Forward Citations = 260(Granted Patents)


Location History:

  • Sayama, JP (1983)
  • Hidakamachi, JP (1987 - 1989)
  • Saitama, JP (1984 - 1990)

Company Filing History:

goldMedal13 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents

Years Active: 1983-1990

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13 patents (USPTO):Explore Patents
1. 4911494 - Cowling assembly for motorcycles (1990-03-27),
2. 4906086 - Rearview mirror device for motorcycles (1990-03-06),
3. 4852678 - Vehicle body frame for motorcycle (1989-08-01),
4. 4821833 - Motorcycle with swing-arm front suspension (1989-04-18),
5. 4813511 - Motorcycle (1989-03-21),
6. 4721179 - Double swing-arm motorcycle frame (1988-01-26),
7. 4660624 - Motorcycle radiator (1987-04-28),
8. 4641721 - Motorcycle (1987-02-10),
9. 4589512 - Motorcycle radiator (1986-05-20),
10. 4516630 - Motorcycle radiator (1985-05-14),
11. 4509613 - Motorcycle air cleaner arrangement (1985-04-09),
12. 4469190 - Fuel tank assembly for a motorcycle (1984-09-04),
13. 4415057 - Rear wheel damper device for motorcycle (1983-11-15),

Title: Ken Yamaguchi: Innovator in Motorcycle Technology

Introduction

Ken Yamaguchi, an accomplished inventor based in Saitama, Japan, has made significant contributions to the motorcycle industry. With a remarkable portfolio of 13 patents, Yamaguchi's innovations have advanced the design and functionality of motorcycle components, enhancing safety and performance for riders.

Latest Patents

Among his latest inventions are a Cowling Assembly for motorcycles and a Rearview Mirror Device. The Cowling Assembly is ingeniously designed to mount on the front portion of a motorcycle's frame. It features a cowling that covers the front frame part, pairs it with a windshield that seamlessly integrates into the cowling, and includes air ducts that facilitate airflow while the motorcycle is in motion. The design positions the air inlet near the lower end of the windshield, ensuring effective air discharge for improved aerodynamics.

The Rearview Mirror Device aims to minimize the forward projection area of the motorcycle while enhancing the rigidity of the support member for the rearview mirror. This innovative device incorporates a motorcycle frame and a steering handlebar, with rearview mirrors strategically placed forwardly and downwardly of the handgrips for optimal visibility.

Career Highlights

Ken Yamaguchi is associated with Honda Giken Kogyo Kabushiki Kaisha, one of the leading companies in the motorcycle industry. His work at Honda focuses on pushing the boundaries of motorcycle technology, focusing on innovative designs that improve rider experience and safety.

Collaborations

Throughout his career, Yamaguchi has collaborated with talented coworkers such as Akira Imai and Takahisa Suzuki, contributing to the collective innovation efforts within his team. Together, they have worked on various projects that have led to advancements in motorcycle design and functionality.

Conclusion

Ken Yamaguchi’s innovative spirit and dedication to improving motorcycle technology have resulted in essential patents that enhance both performance and safety for riders. His work at Honda Giken Kogyo Kabushiki Kaisha showcases the importance of teamwork and collaboration in the pursuit of innovation. As he continues to develop new technologies, the motorcycle industry eagerly anticipates his future contributions.

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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