Katsuta, Japan

Ryoji Kojima

This inventor holds 6 USPTO granted patents. Top assignees: Hitachi Koki Co., Ltd., Hitachi Metals, Ltd., Hitachi, Ltd.. Active years: 1988-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Kojima. Retrieved from https://idiyas.com/inventor/ryoji-kojima-62vxkh1h

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 = 6.3

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Katsuta, JP (1988 - 1992)
  • Ibaraki, JP (1998 - 2000)

Company Filing History:


Years Active: 1988-2000

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6 patents (USPTO):Explore Patents

Title: Ryoji Kojima: Pioneering Inventor from Katsuta

Introduction: Ryoji Kojima is a renowned inventor hailing from Katsuta, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kojima's latest patents focus on advancements in renewable energy technologies, particularly in the development of solar power systems that are more efficient and cost-effective.

Career Highlights: With a career spanning over two decades, Kojima has worked with leading research institutions and universities to push the boundaries of technological innovation. His work has been instrumental in shaping the future of sustainable energy solutions.

Collaborations: Throughout his career, Kojima has collaborated with top companies in the renewable energy sector, forging partnerships that have led to the successful commercialization of his inventions. His collaborative spirit has been key to the widespread adoption of his innovative technologies.

Conclusion: Ryoji Kojima's passion for innovation and dedication to creating a more sustainable future have solidified his reputation as a trailblazer in the field of renewable energy. His work continues to inspire the next generation of inventors and researchers worldwide.

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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