Tokyo, Japan

Hiroshi Okajima

This inventor holds 1 USPTO granted patent. Top assignees: Denso Corporation, Plasma Applications Co., Ltd., Tokyo Keiki Inc.. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Okajima. Retrieved from https://idiyas.com/inventor/hiroshi-okajima-8hepros4

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1


Company Filing History:


Years Active: 2020

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1 patent (USPTO):Explore Patents

Title: Hiroshi Okajima: Innovator in Ignition Technology

Introduction

Hiroshi Okajima is a notable inventor based in Tokyo, Japan. He is recognized for his innovative contributions to ignition technology, particularly through his patented invention that utilizes plasma to ignite fuel mixtures.

Latest Patents

Okajima holds a patent for an ignition device that ignites a mixture of air and fuel gas by plasma to generate an initial flame. This ignition device features a spark plug with an inner conductor and a cylindrical outer conductor that houses the inner conductor. A dielectric is positioned between the two conductors, and the spark plug is designed to emit an electromagnetic wave into a plasma formation space to generate plasma. The device includes an electromagnetic wave power supply that produces high-frequency power at various frequencies, controlled by a power supply control unit.

Career Highlights

Throughout his career, Hiroshi Okajima has worked with prominent companies such as Denso Corporation and Plasma Applications Co., Ltd. His work has significantly impacted the field of ignition technology, showcasing his expertise and innovative spirit.

Collaborations

Okajima has collaborated with notable colleagues, including Daisuke Tanaka and Fumiaki Aoki. Their combined efforts have contributed to advancements in ignition technology and related fields.

Conclusion

Hiroshi Okajima's contributions to ignition technology through his innovative patent demonstrate his role as a significant inventor in the industry. His work continues to influence advancements in ignition systems and plasma technology.

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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