logo

For the Inventor, By the Inventor

Tokyo, Japan

Masaharu Fujimoto

This inventor holds 10 USPTO granted patents. Top assignee: Yamanouchi Pharmaceutical Company Ltd.. Active years: 1976-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Fujimoto. Retrieved from https://idiyas.com/inventor/masaharu-fujimoto

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 = 100.0

Average Co-Inventor Count = 7.0

ph-index = 4

Forward Citations = 86(Granted Patents)


Location History:

  • Tokyo, JA (1976 - 1978)
  • Tokyo, JP (1979 - 1983)

Company Filing History:

goldMedal10 out of 329 
 
Yamanouchi Pharmaceutical Company Ltd.
 patents

Years Active: 1976-1983

Loading Chart...
10 patents (USPTO):Explore Patents
1. 4414153 - 1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivatives (1983-11-08),
2. 4404373 - Process for the preparation of (1983-09-13),
3. 4263432 - 7.alpha.-Methoxy-7.beta.-(1,3-dithietane-2-carboxamido)cephalosporanic (1981-04-21),
4. 4198339 - 1,3-Dithietane-2-carboxylic acids and the preparation thereof (1980-04-15),
5. 4165429 - 7.alpha.-METHOXY-CEPHALOSPORANIC ACID DERIVATIVES (1979-08-21),
6. 4068074 - Cephalosporin derivatives having at the 3-position of the cephem ring a (1978-01-10),
7. 4036834 - Derivatives of 7-(.alpha.-hydroxy-substituted pyridyl carboxamido-.alpha. p (1977-07-19),
8. 3991111 - N-alkenyltetracycline derivatives (1976-11-09),
9. 3985758 - 1,4-Dihydropyridine derivatives (1976-10-12),
10. 3951962 - Novel N-alkenyltetracycline derivatives (1976-04-20),

Title: Masaharu Fujimoto: Innovator in Antibiotic Development

Introduction

Masaharu Fujimoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of antibiotics. With a total of 10 patents to his name, Fujimoto's work has had a substantial impact on medical science.

Latest Patents

Fujimoto's latest patents include innovative compounds such as 1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivatives. These substituted 1,3-dithietane-2-carboxylic acid derivatives serve as intermediates for the preparation of highly effective penicillin and cephalosporin derivatives. Another notable invention is the process for the preparation of novel 7.alpha.-methoxycephalosporin derivatives. These derivatives possess an amido group acylated by a 1,3-dithietane carboxylic acid residue and exhibit excellent antibacterial activity, particularly against gram-negative bacteria.

Career Highlights

Fujimoto has had a distinguished career at Yamanouchi Pharmaceutical Company Ltd., where he has been instrumental in advancing antibiotic research. His innovative approaches have led to the development of new compounds that enhance the effectiveness of existing antibiotics.

Collaborations

Throughout his career, Fujimoto has collaborated with notable colleagues such as Masaru Iwanami and Tetsuya Maeda. These partnerships have fostered a collaborative environment that has contributed to the success of his research and inventions.

Conclusion

Masaharu Fujimoto's contributions to antibiotic development through his patents and collaborations highlight his importance in the pharmaceutical industry. His innovative work continues to influence the field and improve healthcare outcomes.

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]
Loading…