Izumi, Japan

Eiji Kitajima

This inventor holds 8 USPTO granted patents. Top assignees: Koa Oil Company, Limited, Tanaka Kikinzoku Kogyo Kabushiki Kaisha, Kao Oil Company, Limited. Active years: 1982-1994.

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

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 = 5.9

ph-index = 4

Forward Citations = 26(Granted Patents)


Location History:

  • Osaka, JP (1984 - 1988)
  • Izumi, JP (1982 - 1994)

Company Filing History:


Years Active: 1982-1994

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8 patents (USPTO):Explore Patents

Title: Eiji Kitajima: Pioneering Inventor from Izumi

Introduction: Eiji Kitajima is a renowned inventor hailing from Izumi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Eiji Kitajima holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Eiji Kitajima has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Eiji Kitajima has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Eiji Kitajima's passion for innovation and his relentless pursuit of technological advancement have solidified his position as a trailblazer in the world of inventions, inspiring future generations to push the limits of what is possible.

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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