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For the Inventor, By the Inventor

Tokushima, Japan

Junji Yamamoto

This inventor holds 10 USPTO granted patents. Top assignee: Taiho Pharmaceutical Company Limited. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Yamamoto. Retrieved from https://idiyas.com/inventor/junji-yamamoto-1lmztqfk

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 90.0

Average Co-Inventor Count = 6.3

ph-index = 2

Forward Citations = 29(Granted Patents)


Company Filing History:

goldMedal10 out of 320 
 
Taiho Pharmaceutical Company Limited
 patents

Years Active: 1991-2002

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10 patents (USPTO):Explore Patents
1. 6500819 - Bicyclolactam compounds, use thereof and intermediates for preparing thereof (2002-12-31),
2. 6355668 - Bicycloloactam compounds, use thereof and intermediates for preparing thereof (2002-03-12),
3. 6159987 - Bicyclolactam compounds, use thereof and intermediates for preparing (2000-12-12),
4. 6004975 - Bicyclolactam compounds, use thereof and intermediates for preparing (1999-12-21),
5. 5447944 - Carbamoyl-2-pyrrolidinone compounds (1995-09-05),
6. 5229402 - Carbamoyl-2-pyrrolidinone compounds (1993-07-20),
7. 5214039 - Bicyclolactam derivative for improving cerebral function (1993-05-25),
8. 5206261 - Oxindole derivative (1993-04-27),
9. 5185344 - Pharmaceutically useful bicyclolactam derivative (1993-02-09),
10. 5068235 - Diazabicycloalkane derivative (1991-11-26),

Title: Junji Yamamoto: Innovator in Bicyclolactam Compounds

Introduction

Junji Yamamoto is a prominent inventor based in Tokushima, Japan. He has made significant contributions to the field of chemistry, particularly in the development of bicyclolactam compounds. With a total of 10 patents to his name, Yamamoto's work has garnered attention in both academic and industrial circles.

Latest Patents

Among his latest patents, Junji Yamamoto has focused on bicyclolactam compounds, their uses, and the intermediates for preparing them. This innovative work has the potential to impact various applications in pharmaceuticals and beyond.

Career Highlights

Yamamoto is currently employed at Taiho Pharmaceutical Company Limited, where he continues to push the boundaries of chemical research. His expertise and dedication to innovation have made him a valuable asset to the company.

Collaborations

Throughout his career, Junji Yamamoto has collaborated with notable colleagues, including Nobuo Kasahara and Akihiro Kawaguchi. These partnerships have fostered a collaborative environment that enhances the research and development of new compounds.

Conclusion

In summary, Junji Yamamoto is a distinguished inventor whose work on bicyclolactam compounds has made a significant impact in the field of chemistry. His contributions continue to influence the pharmaceutical industry and inspire future innovations.

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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