KANAGAWA, Japan

Keiji Koike

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Calfa Chemical Co., Ltd., Other. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Koike. Retrieved from https://idiyas.com/inventor/keiji-koike-3ydxapy1

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:

goldMedal1 out of 2 
 
Calfa Chemical Co., Ltd.
 patents
silverMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Keiji Koike: Innovator in Renewable Energy Solutions

Introduction

Keiji Koike is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of renewable energy, particularly through his innovative approaches to power generation systems. His work emphasizes the importance of utilizing sustainable resources to create efficient energy solutions.

Latest Patents

Keiji Koike holds a patent for a binary power generation system that utilizes renewable energy sources, such as geothermal heat. This system incorporates a scale inhibiting agent composed of silicon dioxide (SiO) and sodium oxide (NaO) within the circulation flow channels of both hot water and cooling water systems. Additionally, a solid-liquid separation device is strategically installed in these channels, featuring filter mediums designed with rectangular water stream inlets arranged in a staggered pattern. This innovative design includes a semicircularly curved water stream control plate, enhancing the efficiency of the system.

Career Highlights

Throughout his career, Keiji Koike has worked with various companies, including Calfa Chemical Co., Ltd. His experience in the industry has allowed him to develop and refine his inventions, contributing to advancements in renewable energy technologies.

Collaborations

Keiji Koike has collaborated with several professionals in his field, including his coworker Hiroyuki Koike. These partnerships have fostered innovation and the sharing of ideas, further enhancing the impact of their work in renewable energy.

Conclusion

Keiji Koike's contributions to renewable energy through his innovative patent demonstrate his commitment to sustainable solutions. His work continues to inspire advancements in the field, paving the way for a greener future.

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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