Satoshi Nagato

This inventor holds 18 USPTO granted patents and 1 published patent application, plus 3 CIPO patents, primarily in Organic Chemistry. Top assignees: Eisai Company, Limited, Eisai R&d Management Co., Ltd.. Active years: 1994-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Nagato. Retrieved from https://idiyas.com/inventor/satoshi-nagato

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

USPTO Granted Patents = 18 (Patent Applications = 1)

% Patents Active = 77.8

CIPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 9.8

ph-index = 6

Forward Citations = 120(Granted Patents)

Location History:

Ibaraki, MD (US) (1996)
Ibaraki, JP (1994 - 1999)
London, GB (1998 - 2001)
Chiba, JP (2003 - 2011)
Tokyo, JP (2010 - 2015)

Company Filing History:

13 out of 677

Eisai Company, Limited

patents

5 out of 530

Eisai R&d Management Co., Ltd.

patents

Years Active: 1994-2015

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Areas of Expertise:

Dihydropyridine

Cyclic Amides

Heterodiazinone

Nitrile Compounds

Biphenyl Derivatives

Bicyclic Amides

Benzoxazine Derivatives

Tetrahydropteridinone

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9045426 - Method for producing 1,2-dihydropyridine-2-one compound (2015-06-02),

2. 8772497 - Method for producing 1, 2-dihydropyridine-2-one compound (2014-07-08),

3. 7939549 - 1,2-dihydropyridine compounds, manufacturing method thereof and use thereof (2011-05-10),

4. 7718807 - Salt of 1,2-dihydropyridine compound (2010-05-18),

5. 7563811 - 1,2-dihydropyridine compounds, manufacturing method thereof and use thereof (2009-07-21),

6. 6949571 - 1,2-dihydropyridine compounds, process for preparation of the same and use thereof (2005-09-27),

7. 6825192 - Heterodiazinone derivatives (2004-11-30),

8. 6737425 - N,N-substituted cyclic amine derivatives (2004-05-18),

9. 6667412 - Nitrile compound (2003-12-23),

10. 6281214 - Biphenyl derivatives (2001-08-28),

11. 5919778 - Cyclic amide derivatives (1999-07-06),

12. 5849912 - Biphenyl derivatives (1998-12-15),

13. 5654308 - Bicyclic amide derivatives, compositions and methods of treatment (1997-08-05),

14. 5620976 - Benzoxazine derivatives (1997-04-15),

15. 5521182 - 1,2,3,4 tetrahydropteridinone cyclic amide derivatives (1996-05-28),

Title: Satoshi Nagato: A Pioneer in Chemical Synthesis

Introduction

Satoshi Nagato, a renowned inventor from Chiba, Japan, has made significant contributions to the field of chemical synthesis. With a total of 18 patents to his name, Nagato continues to push the boundaries of innovation, particularly in the production of complex chemical compounds.

Latest Patents

Among his latest inventions, Nagato has developed a method for producing 1,2-dihydropyridine-2-one compounds. This innovative method allows for the commercial production of a specific chemical compound represented by the formula (III-a), where ring A denotes an optionally substituted 2-pyridyl group, while rings B and C represent optionally substituted phenyl groups. Furthermore, his invention includes the production of crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one, adding to the versatility and applicability of his research.

Career Highlights

Nagato's career has been marked by his tenure at two leading companies: Eisai Company, Limited and Eisai R&D Management Co., Ltd. His work in these organizations not only enhanced his expertise but also allowed him to contribute to groundbreaking research and development in the pharmaceutical industry.

Collaborations

Throughout his career, Satoshi Nagato has collaborated with esteemed professionals, including Koichi Ito and Masahiro Yonaga. These partnerships have facilitated a supportive environment for innovation, helping to refine and implement new methodologies in chemical production.

Conclusion

Satoshi Nagato's contributions to the field of chemical synthesis demonstrate his commitment to advancing science through innovation. With 18 patents, his work continues to impact the industry significantly, showcasing the vital role of inventors in fostering development and ingenuity.

Profile summary based on public USPTO records.