Tokyo, Japan

Eiji Ishikawa

This inventor holds 7 USPTO granted patents and 4 published patent applications and 5 EPO patents. Top assignees: Ando Electric Company, Dai-Ichi High Frequency Co., Ltd., Ebara Environmental Plant Co., Ltd.. Active years: 1997-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Ishikawa. Retrieved from https://idiyas.com/inventor/eiji-ishikawa-trapnnpi

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

USPTO Granted Patents = 7 

% Patents Active = 71.4

 

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Yokohama, JP (1997 - 2016)
  • Tokyo, JP (2004 - 2023)

Company Filing History:


Years Active: 1997-2025

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7 patents (USPTO):Explore Patents

Title: Eiji Ishikawa: Innovator in Alloy Coatings

Introduction

Eiji Ishikawa is a notable inventor based in Tokyo, Japan, recognized for his contributions to the field of alloy coatings. With a total of four patents to his name, Ishikawa has made significant advancements in materials that enhance environmental resistance.

Latest Patents

Ishikawa's latest patents include a Ni-Fe base alloy powder and a method for producing an alloy coating using this powder. This innovative alloy powder exhibits excellent environmental resistance, particularly in conditions where both corrosion and wear are prevalent. The composition includes chromium, iron, molybdenum, silicon, carbon, and boron, with nickel as the primary component. Another significant patent involves a Ni-based thermal spraying alloy powder, which also demonstrates exceptional corrosion and erosion-corrosion resistance. This powder is designed for use in environments where corrosion is a concern, ensuring durability and longevity.

Career Highlights

Throughout his career, Eiji Ishikawa has worked with reputable companies such as Ando Electric Company and Ebara Environmental Plant Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced materials and coatings.

Collaborations

Ishikawa has collaborated with notable colleagues, including Hiroshi Ando and Manabu Noguchi. These partnerships have fostered innovation and the exchange of ideas in the field of alloy development.

Conclusion

Eiji Ishikawa's work in alloy coatings and his innovative patents highlight his significant contributions to material science. His advancements continue to influence the industry, showcasing the importance of research and development in creating durable and effective solutions.

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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