Saitama, Japan

Ryutaro Yamazaki

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 1996-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryutaro Yamazaki. Retrieved from https://idiyas.com/inventor/ryutaro-yamazaki-293tj6ql

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


% Patents Active = 71.4


Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 68(Granted Patents)


Location History:

  • Wako, JP (1996)
  • Saitama, JP (2001 - 2009)

Company Filing History:


Years Active: 1996-2009

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7 patents (USPTO):Explore Patents

Title: Ryutaro Yamazaki: Innovator in Motorcycle Technology

Introduction

Ryutaro Yamazaki is a prominent inventor based in Saitama, Japan. He has made significant contributions to motorcycle technology, particularly in the area of air-fuel ratio sensors. With a total of 7 patents to his name, Yamazaki's work has had a lasting impact on the efficiency and performance of motorcycles.

Latest Patents

Yamazaki's latest patents include a mounting structure for an air-fuel ratio sensor in a motorcycle and an exhaust subassembly that incorporates this sensor. The first patent describes a mounting structure that allows for efficient and accurate detection of oxygen concentration in exhaust gases. The air-fuel ratio sensor is strategically positioned on a convergent connector of exhaust pipes, which connect to the cylinders of a multi-cylinder engine. This placement ensures that the sensor is located upstream of catalytic converters, optimizing its functionality. The second patent focuses on eliminating the influence of water accumulation in the exhaust pipe on the air-fuel ratio sensor. It details a design where the sensor extends radially from the exhaust pipe and is inclined upward, enhancing its performance and reliability.

Career Highlights

Throughout his career, Ryutaro Yamazaki has worked with notable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop innovative solutions that address critical challenges in motorcycle engineering.

Collaborations

Yamazaki has collaborated with talented individuals in the field, including Takeru Abe and Tomoya Kono. These partnerships have contributed to the advancement of motorcycle technology and the successful development of his patents.

Conclusion

Ryutaro Yamazaki's contributions to motorcycle technology through his innovative patents have significantly improved the efficiency and performance of air-fuel ratio sensors. His work continues to influence the industry and inspire future innovations.

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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