Shizuoka, Japan

Ryuji Hamada

This inventor holds 1 USPTO granted patent. Top assignee: Suzuki Kabushiki Kaisha. Active years: 2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Hamada. Retrieved from https://idiyas.com/inventor/ryuji-hamada-twu5vm4v

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2006

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1 patent (USPTO):Explore Patents

Title: Ryuji Hamada and His Outboard Motor Patent.

Introduction

Ryuji Hamada is an inventor associated with Shizuoka, Japan. His recorded patent concerns the design and arrangement of components in an outboard motor.

Latest Patents

Hamada is credited with 1 patent. His patent, “Outboard Motor,” describes an outboard motor equipped with a four-stroke-cycle engine and an oil pan positioned beneath the engine. The design places a lubricating oil reservoir at the front of the oil pan, with an exhaust gas passage and a cooling water passage behind the reservoir.

Career Highlights

Hamada is associated with Suzuki Kabushiki Kaisha. His patent reflects work on the layout of engine lubrication, exhaust, and cooling components in an outboard motor.

Collaborations

Hamada’s listed coworkers include Shigehisa Hamaguchi and Jun Itoh.

Conclusion

Ryuji Hamada’s recorded invention focuses on an outboard motor’s oil-pan configuration, arranging the oil reservoir and exhaust and cooling passages in distinct positions.

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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