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For the Inventor, By the Inventor

Yokosuka, Japan

Atsushi Yonezawa

This inventor holds 4 USPTO granted patents. Top assignees: Nissan Motor Company Limited, Tokimec Inc.. Active years: 1984-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Yonezawa. Retrieved from https://idiyas.com/inventor/atsushi-yonezawa

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.3

ph-index = 4

Forward Citations = 121(Granted Patents)


Location History:

  • Yokosuka, JP (1984 - 1985)
  • Tokyo, JP (1987)
  • Yokohama, JP (1995)

Company Filing History:

goldMedal4 out of 13,420 
 
Nissan Motor Company Limited
 patents
silverMedal1 out of 37 
 
Tokimec Inc.
 patents
where one patent can have more than one assignee

Years Active: 1984-1995

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4 patents (USPTO):Explore Patents
1. 5474012 - Automatic control for trim tabs (1995-12-12),
2. 4699110 - Fuel supply system (1987-10-13),
3. 4517134 - Variable venturi carburetor (1985-05-14),
4. 4445480 - Intake system of internal combustion engine (1984-05-01),

Title: Atsushi Yonezawa: Innovator in Marine Technology

Introduction

Atsushi Yonezawa is a notable inventor based in Yokosuka, Japan. He has made significant contributions to marine technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of marine transportation systems.

Latest Patents

One of Yonezawa's latest patents is an automatic control system for trim tabs. This invention allows for the adjustment of the position of a marine transportation system, including boats with trimmable port and starboard tabs. The system monitors boat operation to distinguish between various conditions, such as on-plane and off-plane operation, as well as straight travel and turning conditions. The trim tabs are adjusted based on these outputs to optimize performance. Another significant patent is related to a fuel supply system. This system features a primary and secondary passage that work in parallel, with a laval nozzle that enables air to flow at the speed of sound under low-speed, low-load engine conditions. The design includes a carburetion chamber and a pressure control valve to maintain optimal performance.

Career Highlights

Yonezawa has worked with prominent companies in the automotive and marine industries, including Nissan Motor Company Limited and Tokimec Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions for marine technology.

Collaborations

Yonezawa has collaborated with notable colleagues, including Ken Nakamura and Eiichi Ohnishi. Their combined efforts have led to advancements in the field of marine engineering.

Conclusion

Atsushi Yonezawa's contributions to marine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the efficiency and functionality of marine transportation systems.

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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