Hiroshima, Japan

Kazuaki Umezono

This inventor holds 6 USPTO granted patents. Top assignee: Mazda Motor Corporation. Active years: 1988-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuaki Umezono. Retrieved from https://idiyas.com/inventor/kazuaki-umezono

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


% Patents Active = 83.3

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 98(Granted Patents)


Location History:

  • Aki, JP (1989 - 1990)
  • Hiroshima, JP (1988 - 2004)

Company Filing History:


Years Active: 1988-2004

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6 patents (USPTO):Explore Patents

Title: Kazuaki Umezono: Innovator in Engine Technology

Introduction

Kazuaki Umezono is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of engine technology, particularly in the development of advanced spark-ignition engines. With a total of 6 patents to his name, Umezono's work has had a considerable impact on automotive engineering.

Latest Patents

Umezono's latest patents include a direct-injection spark-ignition engine with a turbocharging device. This innovative engine design promotes the temperature rise or activation of the exhaust-gas purification catalyst during cold starts. The fuel injection process is divided into leading and trailing injections, optimizing the air-fuel ratio for efficient combustion. Another notable patent is the spark-ignition direct injection engine with a supercharger. This engine is designed to enhance performance by controlling the air-fuel mixture and maximizing output while reducing particulate matter in the exhaust.

Career Highlights

Kazuaki Umezono is currently employed at Mazda Motor Corporation, where he continues to push the boundaries of engine technology. His work has been instrumental in developing engines that are not only powerful but also environmentally friendly. Umezono's innovative designs reflect a commitment to improving automotive performance and efficiency.

Collaborations

Umezono has collaborated with notable colleagues such as Mitsuo Hitomi and Fumio Hinatase. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in engine technology.

Conclusion

Kazuaki Umezono's contributions to engine technology exemplify the spirit of innovation in the automotive industry. His patents and collaborative efforts continue to shape the future of engine design, making significant strides toward more efficient and cleaner vehicles.

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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