Shizuoka, Japan

Yuji Moriwaki

This inventor holds 1 USPTO granted patent. Top assignee: Yamaha Hatsudoki Kabushiki Kaisha. Active years: 2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Moriwaki. Retrieved from https://idiyas.com/inventor/yuji-moriwaki

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

Calculating rank

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2008

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1 patent (USPTO):Explore Patents

Title: Yuji Moriwaki: Innovator in Hydraulic Valve Technology

Introduction

Yuji Moriwaki is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of hydraulic valve technology, particularly in the automotive industry. His innovative approach has led to the development of a unique hydraulic valve driving device that enhances engine performance.

Latest Patents

Moriwaki holds a patent for a hydraulic valve driving device and engine that includes this technology. The device features a valve actuator that operates to drive an engine valve, a hydraulic pump that generates oil pressure for the valve actuator, a hydraulic pump driving motor, and a starter motor. This invention allows for a two-mode engine starting process, improving efficiency and performance.

Career Highlights

Yuji Moriwaki is currently employed at Yamaha Hatsudoki Kabushiki Kaisha, a leading company in the automotive sector. His work at Yamaha has allowed him to apply his innovative ideas in practical applications, contributing to the advancement of engine technology.

Collaborations

Moriwaki collaborates with Naoki Tsuchida, a fellow innovator in the field. Their partnership has fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Yuji Moriwaki's contributions to hydraulic valve technology exemplify the spirit of innovation in the automotive industry. His patent and work at Yamaha demonstrate his commitment to enhancing engine performance through inventive solutions.

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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