Sakai, Japan

Kazutoshi Okamoto

This inventor holds 3 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1984-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutoshi Okamoto. Retrieved from https://idiyas.com/inventor/kazutoshi-okamoto-8nb6ahpj

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 = 4.1

ph-index = 3

Forward Citations = 46(Granted Patents)


Location History:

  • Sakaishi, JP (1984 - 1990)
  • Sakai, JP (1997)

Company Filing History:


Years Active: 1984-1997

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3 patents (USPTO):Explore Patents

Title: Kazutoshi Okamoto: Innovator in Engine Technology

Introduction

Kazutoshi Okamoto is a notable inventor based in Sakaishi, Japan. He has made significant contributions to engine technology, holding a total of 3 patents. His work focuses on improving the efficiency and functionality of multi-cylinder engines.

Latest Patents

One of his latest patents is a cylinder cooling apparatus for multi-cylinder engines. This invention features a water passage forming member embedded in the connection wall between adjacent bores of a multi-cylinder engine. It includes vertical jacket communication passages that facilitate communication between cylinder jackets and a head jacket, along with multiple cooling water passages arranged vertically. Another significant patent is a system for blow-by gas return to the combustion chamber of an engine. This system includes an oil separator that effectively separates oil from blow-by gas, preventing oil from entering the combustion chamber during unusual conditions.

Career Highlights

Kazutoshi Okamoto is currently employed at Kubota Corporation, where he continues to innovate in the field of engine technology. His work has been instrumental in developing systems that enhance engine performance and reliability.

Collaborations

He has collaborated with notable coworkers, including Kenji Sakano and Hiroo Sakanaka, contributing to various projects within the company.

Conclusion

Kazutoshi Okamoto's contributions to engine technology through his patents and work at Kubota Corporation highlight his role as a key innovator in the field. His inventions continue to influence the development of more efficient engine 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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