Iwata, Japan

Jiro Watase

This inventor holds 1 USPTO granted patent. Top assignee: Yamaha Hatsudoki Kabushiki Kaisha. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jiro Watase. Retrieved from https://idiyas.com/inventor/jiro-watase

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 = 3.0

ph-index = 1

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Jiro Watase: Innovator in Engine Technology

Introduction

Jiro Watase is a notable inventor based in Iwata, Japan. He has made significant contributions to the field of engine technology, particularly in the development of innovative intake control systems for internal combustion engines. His work has implications for improving engine efficiency and performance.

Latest Patents

Watase holds a patent for an intake control system designed for engines. This system allows operation on the Miller cycle while minimizing pumping losses. The invention features a variable volume air chamber that supplies the majority of the intake charge under low-speed, low-load conditions. Various valving and chamber constructions are illustrated in his patent, along with embodiments that utilize air-assisted fuel injection.

Career Highlights

Throughout his career, Jiro Watase has been associated with Yamaha Motor Co., Ltd., where he has contributed to advancements in engine technology. His innovative approach has led to the development of systems that enhance engine performance and efficiency.

Collaborations

Watase has worked alongside notable colleagues such as Seiji Sawai and Kunihiko Nakajima. Their collaborative efforts have furthered the research and development of engine technologies.

Conclusion

Jiro Watase's contributions to engine technology, particularly through his patented intake control system, highlight his role as an innovator in the automotive industry. His work continues to influence advancements in engine efficiency and performance.

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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