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For the Inventor, By the Inventor

Kamakura, Japan

Yasuo Fukagawa

This inventor holds 14 USPTO granted patents. Top assignees: Sanraku-Ocean Co., Ltd., Sanraku Incorporated. Active years: 1982-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Fukagawa. Retrieved from https://idiyas.com/inventor/yasuo-fukagawa

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 4

Forward Citations = 101(Granted Patents)


Company Filing History:

goldMedal8 out of 37 
 
Sanraku-Ocean Co., Ltd.
 patents
silverMedal6 out of 21 
 
Sanraku Incorporated
 patents

Years Active: 1982-1991

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14 patents (USPTO):Explore Patents
1. 4996314 - 6-(disubstituted amino)carbapenem compounds (1991-02-26),
2. 4939248 - Optically active azetidinones (1990-07-03),
3. 4933439 - Tylosin derivatives and processes for producing the same (1990-06-12),
4. 4853407 - Aminoethylcysteine derivatives (1989-08-01),
5. 4812563 - 6-(disubstituted amino)carbapenam compounds (1989-03-14),
6. 4778883 - 3-(CHFCH.sub.3)-azetidinone intermediates (1988-10-18),
7. 4528397 - Aminocarboxylic acid derivatives (1985-07-09),
8. 4517127 - .beta.-Lactam derivatives and process for production thereof (1985-05-14),
9. 4508648 - Phosphoric ester of antibiotic OA-6129 (1985-04-02),
10. 4451401 - Antibiotics and process for production thereof (1984-05-29),
11. 4438201 - Amidohydrolase having ability to depantothenylate an antibiotic (1984-03-20),
12. 4426390 - Novel .beta.-lactam compounds, process for producing thereof, and use (1984-01-17),
13. 4368203 - Antibiotics and derivatives thereof having .beta.-lactamase inhibitory (1983-01-11),
14. 4318916 - Antibiotic PS-5 and derivatives having .beta.-lactamase inhibitory (1982-03-09),

Title: **Innovative Contributions of Yasuo Fukagawa in Antibiotic Development**

Introduction

Yasuo Fukagawa is a distinguished inventor based in Kamakura, Japan, renowned for his significant contributions to the field of antibiotic development. With a total of 14 patents to his name, Fukagawa’s innovative work has shaped advancements in pharmaceutical chemistry, particularly through the synthesis of complex compounds that are pivotal in treating bacterial infections.

Latest Patents

Among his notable inventions is the development of 6-(disubstituted amino)carbapenem compounds. These compounds are characterized by a structure where R₁ can be a lower alkyl or haloalkyl group, while R₂ may vary, including options such as lower alkyl, haloalkyl, aralkyl groups, or specific functional groups that facilitate their utility as intermediates for antibiotics. These compounds play a critical role in the production of the 6-(disubstituted amino)carbapenem-series antibiotics, marking a significant advancement in the synthesis of effective antibacterial agents.

Career Highlights

Fukagawa's career includes significant collaborations with esteemed companies such as Sanraku-Ocean Co., Ltd. and Sanraku Incorporated. His work has not only contributed to the scientific community but has also positioned these companies at the forefront of antibiotic research and development.

Collaborations

Throughout his career, Fukagawa has worked alongside talented individuals like Tomoyuki Ishikura and Takeo Yoshioka. These collaborations have enhanced the innovative potential of the projects they undertook, leading to the development of groundbreaking antibiotic compounds that are useful in clinical settings.

Conclusion

In summary, Yasuo Fukagawa's innovative spirit and commitment to antibiotic research have resulted in numerous patents that emphasize his role as a leading inventor in the pharmaceutical industry. His work continues to inspire future innovations in medical science, contributing to the ongoing battle against infectious diseases.

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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