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For the Inventor, By the Inventor

Ibaraki, Japan

Nozomu Koyanagi

This inventor holds 17 USPTO granted patents. Top assignee: Eisai Company, Limited. Active years: 1978-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nozomu Koyanagi. Retrieved from https://idiyas.com/inventor/nozomu-koyanagi

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

USPTO Granted Patents = 17

% Patents Active = 94.1

Average Co-Inventor Count = 8.8

ph-index = 6

Forward Citations = 162(Granted Patents)


Location History:

  • Niiza, JP (1982 - 1983)
  • Saitama, JP (1978 - 1984)
  • Ibaraki, JP (1993 - 1999)
  • Tsukuba, JP (2006)

Company Filing History:

goldMedal17 out of 677 
 
Eisai Company, Limited
 patents

Years Active: 1978-2006

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17 patents (USPTO):Explore Patents
1. 7015241 - Appetite-stimulating agents and remedies for anorexia (2006-03-21),
2. 5952335 - Fused polycyclic heterocycle derivatives (1999-09-14),
3. 5854274 - Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives (1998-12-29),
4. 5846969 - Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives (1998-12-08),
5. 5834462 - Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives (1998-11-10),
6. 5767283 - 7-Amino-1H-indoles (1998-06-16),
7. 5721246 - Heterobicyclic sulfonamide and sulfonic ester derivatives (1998-02-24),
8. 5610320 - Sulfonamide phenyl substituted compounds (1997-03-11),
9. 5610304 - Pyrimidinyl or pyridinyl sulfonamide substituted compounds (1997-03-11),
10. 5434172 - Sulfonamide derivatives (1995-07-18),
11. 5332751 - Pyridine carboxamide compounds which have useful as pharmaceutical (1994-07-26),
12. 5292758 - Sulfonamide derivatives (1994-03-08),
13. 5250549 - Sulfonamide derivatives (1993-10-05),
14. 4459287 - Immunopotentiator containing recin (1984-07-10),
15. 4414201 - Immunopotentiator containing abrin (1983-11-08),

Title: The Innovations of Nozomu Koyanagi

Introduction

Nozomu Koyanagi is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in developing appetite-stimulating agents and remedies for anorexia. With a total of 17 patents to his name, Koyanagi's work has had a substantial impact on medical treatments.

Latest Patents

Among his latest patents, Koyanagi has developed an appetite-stimulating agent and a therapeutic agent for anorexia. These innovations comprise, as an active ingredient, a sulfonamide derivative or sulfonic acid ester derivative represented by a specific general formula. Additionally, he has worked on fused polycyclic heterocycle derivatives, showcasing his expertise in complex chemical compounds.

Career Highlights

Koyanagi is currently employed at Eisai Company, Limited, a leading pharmaceutical company known for its commitment to research and development. His work at Eisai has allowed him to focus on creating effective treatments that address critical health issues, particularly in the area of appetite stimulation.

Collaborations

Throughout his career, Koyanagi has collaborated with notable colleagues, including Hiroshi Yoshino and Kentaro Yoshimatsu. These partnerships have fostered a collaborative environment that enhances innovation and drives the development of new therapeutic solutions.

Conclusion

Nozomu Koyanagi's contributions to the field of pharmaceuticals are noteworthy, with his innovative patents addressing significant health challenges. His work continues to influence the industry and improve the lives of many individuals suffering from conditions like anorexia.

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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