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For the Inventor, By the Inventor

Takarazuka, Japan

Yoshihisa Saito

This inventor holds 10 USPTO granted patents. Top assignee: Fujisawa Pharmaceutical Company, Ltd.. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Saito. Retrieved from https://idiyas.com/inventor/yoshihisa-saito

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 = 5.8

ph-index = 5

Forward Citations = 50(Granted Patents)


Location History:

  • Takarazuka, JA (1976 - 1978)
  • Takarazuka, JP (1980 - 1990)

Company Filing History:

goldMedal10 out of 940 
 
Fujisawa Pharmaceutical Company, Ltd.
 patents

Years Active: 1976-1990

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10 patents (USPTO):Explore Patents
1. 4931555 - Disulfide substituted oxazetidine derivatives (1990-06-05),
2. 4472300 - Azetidinone derivatives and process for preparation thereof (1984-09-18),
3. 4435321 - Azetidinone 4-disulfides (1984-03-06),
4. 4267340 - Disulfide substituted oxazetidine derivatives (1981-05-12),
5. 4214094 - Substituted-phenyl substituted-alkyl ethers and the preparation thereof (1980-07-22),
6. 4207234 - 4-Unsubstituted azetidinone derivatives and process for preparation (1980-06-10),
7. 4071527 - Certain benzothiazole compounds (1978-01-31),
8. 4036847 - Halogenated penam derivatives and the preparation thereof (1977-07-19),
9. 4009159 - Halogenated penam derivatives and the preparation thereof (1977-02-22),
10. 3993646 - Process for the ring expansion of penicillins to cephalosporin compounds (1976-11-23),

Title: The Innovative Contributions of Yoshihisa Saito

Introduction

Yoshihisa Saito is a prominent inventor based in Takarazuka, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of novel compounds. With a total of 10 patents to his name, Saito's work has had a considerable impact on medical science.

Latest Patents

Among his latest patents, Saito has developed disulfide substituted oxazetidine derivatives. This process involves producing a 2-cephem or 3-cephem derivative compound, where R₁ represents a substituted or unsubstituted amino radical, and R₄ can be hydrogen or various radicals. Another notable patent includes new antimicrobial azetidinone derivatives and their salts, which feature R₁ as amino or acylamino, with A selected from a variety of groups.

Career Highlights

Yoshihisa Saito is currently associated with Fujisawa Pharmaceutical Company, Ltd. His work at this esteemed organization has allowed him to focus on innovative pharmaceutical solutions. His research has contributed to advancements in antimicrobial agents and other therapeutic compounds.

Collaborations

Saito has collaborated with notable colleagues such as Takashi Kamiya and Teruo Kyoto Oku. These partnerships have fostered a collaborative environment that enhances the development of groundbreaking pharmaceutical innovations.

Conclusion

Yoshihisa Saito's contributions to the field of pharmaceuticals through his patents and collaborations highlight his role as a key innovator. His work continues to influence the development of new therapeutic agents, showcasing the importance of innovation in medical science.

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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