Hitachinaka, Japan

Eisaku Oka

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Hitachi Koki Co., Ltd.. Active years: 2003-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eisaku Oka. Retrieved from https://idiyas.com/inventor/eisaku-oka

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


% Patents Active = 75.0


Average Co-Inventor Count = 4.6

ph-index = 3

Forward Citations = 44(Granted Patents)


Location History:

  • Ibaraki, JP (2003)
  • Hitachinaka, JP (2006 - 2012)

Company Filing History:


Years Active: 2003-2012

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4 patents (USPTO):Explore Patents

Title: The Inventor Eisaku Oka: Revolutionizing Technology in Hitachinaka

Introduction: Eisaku Oka is a renowned inventor based in Hitachinaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Eisaku Oka holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy solutions.

Career Highlights: With a career spanning over two decades, Eisaku Oka has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in the industry.

Collaborations: Throughout his career, Eisaku Oka has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Eisaku Oka's relentless pursuit of innovation and his passion for pushing the boundaries of technology continue to inspire the next generation of inventors and researchers in Hitachinaka and beyond.

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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