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For the Inventor, By the Inventor

Ibaraki, Japan

Junsaku Nagaoka

This inventor holds 10 USPTO granted patents. Top assignee: Eisai Company, Limited. Active years: 1989-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junsaku Nagaoka. Retrieved from https://idiyas.com/inventor/junsaku-nagaoka

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

USPTO Granted Patents = 10

% Patents Active = 80.0

Average Co-Inventor Count = 14.4

ph-index = 2

Forward Citations = 125(Granted Patents)


Location History:

  • Sakuramura, JP (1989 - 1990)
  • Ibaraki, JP (1991 - 2005)
  • Tsukuba, JP (2006)

Company Filing History:

goldMedal10 out of 677 
 
Eisai Company, Limited
 patents

Years Active: 1989-2006

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10 patents (USPTO):Explore Patents
1. RE39112 - Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes (2006-05-29),
2. 6841549 - Condensed imidazole compounds and a therapeutic agent for diabetes mellitus (2005-01-11),
3. 6579868 - Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes (2003-06-17),
4. 5476864 - Glycerin derivative and its pharmacological use (1995-12-19),
5. 5476863 - Glycerin derivative and its pharmacological use (1995-12-19),
6. 5273985 - Glycerin derivative and its pharmacological use (1993-12-28),
7. 5075335 - Guanidinobenzoic ester derivative (1991-12-24),
8. 5037827 - Glycerin derivative and its pharmacological use (1991-08-06),
9. 4948808 - Guanidinobenzoic ester derivative (1990-08-14),
10. 4801603 - Guanidinobenzoic ester derivative (1989-01-31),

Title: The Innovative Mind of Junsaku Nagaoka

Introduction: Junsaku Nagaoka, a pioneering inventor hailing from Ibaraki, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Junsaku Nagaoka's recent 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 three decades, Nagaoka has held key positions in leading research institutions and technology companies, where he has spearheaded projects that have revolutionized various industries.

Collaborations: Throughout his career, Junsaku Nagaoka has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous breakthroughs.

Conclusion: Junsaku Nagaoka's relentless pursuit of innovation and his commitment to pushing the boundaries of technology have solidified his reputation as a visionary inventor whose work continues to shape the future of the industry.

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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