Kamagaya, Japan

Keiji Ishii

This inventor holds 2 USPTO granted patents. Top assignee: Babcock-Hitachi Kabushiki Kaisha. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Ishii. Retrieved from https://idiyas.com/inventor/keiji-ishii

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 = 8.0

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1993-1995

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Keiji Ishii

Introduction

Keiji Ishii is a notable inventor based in Kamagaya, Japan. He has made significant contributions to the field of combustion technology, holding two patents that showcase his innovative approach to engineering.

Latest Patents

One of his latest patents is a combustion apparatus designed to enhance the efficiency of burning pulverized coal. This apparatus includes a mixture feeding pipe that injects a mixture of pulverized coal and combustion air into a furnace. The design features a first gas feeding passage for oxygen-containing gas and a second gas feeding passage that feeds the gas in a radial direction. A unique projection is also included, which extends into the furnace, allowing for improved gas flow and combustion efficiency.

Career Highlights

Keiji Ishii is currently employed at Babcock-Hitachi Kabushiki Kaisha, where he continues to develop innovative solutions in combustion technology. His work has been instrumental in advancing the efficiency and effectiveness of combustion systems.

Collaborations

Throughout his career, Ishii has collaborated with talented individuals such as Shigeki Morita and Kouji Kuramashi. These collaborations have contributed to the development of cutting-edge technologies in his field.

Conclusion

Keiji Ishii's contributions to combustion technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in engineering.

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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