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For the Inventor, By the Inventor

Matsuyama, Japan

Yasutaka Yuzawa

This inventor holds 5 USPTO granted patents. Top assignee: Diesel Kiki Co., Ltd.. Active years: 1976-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasutaka Yuzawa. Retrieved from https://idiyas.com/inventor/yasutaka-yuzawa

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Kumagaya, JA (1976 - 1977)
  • Matsuyama, JP (1979)
  • Higashi Matsuyama, JP (1984 - 1986)

Company Filing History:

goldMedal5 out of 596 
 
Diesel Kiki Co., Ltd.
 patents

Years Active: 1976-1986

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5 patents (USPTO):Explore Patents
1. 4593668 - Injection rate controller for fuel injection pump (1986-06-10),
2. 4469066 - Injection timing compensator for fuel injection pump (1984-09-04),
3. 4169444 - Fuel injection apparatus (1979-10-02),
4. 4050856 - Dash pot arrangement for distribution-type fuel injection pump cut off (1977-09-27),
5. 3989021 - Dash pot arrangement for distribution type fuel injection pump cut off (1976-11-02),

Title: Yasutaka Yuzawa: Innovator in Fuel Injection Technology

Introduction

Yasutaka Yuzawa is a prominent inventor based in Matsuyama, Japan. He has made significant contributions to the field of fuel injection technology, holding a total of 5 patents. His innovative designs have improved the efficiency and performance of fuel injection systems.

Latest Patents

Yuzawa's latest patents include an injection rate controller for fuel injection pumps and an injection timing compensator for fuel injection pumps. The injection rate controller features a spool valve and a pressure control valve that work together to manage high-pressure fuel flow under specific engine conditions. This design enhances the precision of fuel delivery, optimizing engine performance. The injection timing compensator utilizes a pressure-sensitive member connected to a pressure regulator assembly, allowing for adjustments in fuel injection timing based on atmospheric or boost pressure. This innovation ensures that fuel pressure is regulated effectively, contributing to improved engine efficiency.

Career Highlights

Yuzawa has dedicated his career to advancing fuel injection technology. His work at Diesel Kiki Co., Ltd. has positioned him as a key player in the industry. His patents reflect a deep understanding of the complexities involved in fuel injection systems and demonstrate his commitment to innovation.

Collaborations

Yuzawa has collaborated with notable colleagues, including Masayoshi Kobayashi and Nobuhiro Kaibara. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in fuel injection.

Conclusion

Yasutaka Yuzawa's contributions to fuel injection technology have made a lasting impact on the automotive industry. His innovative patents and collaborative efforts continue to drive advancements in engine performance and efficiency.

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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