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For the Inventor, By the Inventor

Iwata, Japan

Minoru Yonezawa

This inventor holds 9 USPTO granted patents. Top assignee: Yamaha Hatsudoki Kabushiki Kaisha. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Yonezawa. Retrieved from https://idiyas.com/inventor/minoru-yonezawa-2m9u7pm0

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 56(Granted Patents)


Company Filing History:

goldMedal11 out of 4,358 
 
Yamaha Hatsudoki Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1991-2002

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9 patents (USPTO):Explore Patents
1. 6367444 - Cylinder head for direct injected engine (2002-04-09),
2. 6205974 - Direct injected cylinder head (2001-03-27),
3. 6196166 - Engine coolant manifold (2001-03-06),
4. 6186105 - Variable valve timing arrangement for engine (2001-02-13),
5. 6170471 - Engine pump drive (2001-01-09),
6. 5127370 - Induction system for V type engine (1992-07-07),
7. 5033421 - V type engine (1991-07-23),
8. 5016579 - Intake system for V type engine (1991-05-21),
9. 5005536 - Engine induction system (1991-04-09),

Title: Minoru Yonezawa: Innovator in Engine Technology

Introduction

Minoru Yonezawa is a prominent inventor based in Iwata, Japan. He has made significant contributions to the field of engine technology, particularly in the design of cylinder heads for direct injected engines. With a total of 9 patents to his name, Yonezawa's work has had a considerable impact on automotive engineering.

Latest Patents

Yonezawa's latest patents include innovative designs that enhance engine performance. One of his notable inventions is a cylinder head for direct injected engines. This design features a unique arrangement that allows the injector to be positioned centrally in the combustion chamber, optimizing airflow and efficiency. Another significant patent is for a direct injected cylinder head that incorporates a spark plug well. This well is designed to prevent cracking by relieving the opening around its outer peripheral portion, ensuring durability and reliability in engine operation.

Career Highlights

Throughout his career, Yonezawa has been associated with Yamaha Hatsudoki Kabushiki Kaisha, where he has played a crucial role in advancing engine technology. His expertise and innovative designs have contributed to the company's reputation for excellence in the automotive industry.

Collaborations

Yonezawa has collaborated with talented coworkers such as Takamitsu Suzuki and Yuji Kinoshita. Their combined efforts have led to the development of cutting-edge technologies that continue to shape the future of engine design.

Conclusion

Minoru Yonezawa's contributions to engine technology through his innovative patents and collaborations highlight his importance in the field. His work not only enhances engine performance but also sets a standard for future innovations in automotive engineering.

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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