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For the Inventor, By the Inventor

Ibaraki, Japan

Isao Sugiyama

This inventor holds 24 USPTO granted patents, primarily in Cephem Chemistry. Top assignee: Eisai Company, Limited. Active years: 1982-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Sugiyama. Retrieved from https://idiyas.com/inventor/isao-sugiyama

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

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 8.1

ph-index = 4

Forward Citations = 65(Granted Patents)


Location History:

  • Tokyo, JP (1982 - 1984)
  • Ibaraki Prefecture, JP (1996 - 1998)
  • Ibaraki, JP (1987 - 2002)

Company Filing History:

goldMedal24 out of 677 
 
Eisai Company, Limited
 patents

Years Active: 1982-2002

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Areas of Expertise:
Carbapenem
Cephem Compounds
Antibacterial Agents
Stereoselective Manufacturing
Thiadiazolylacetamide
3-Substituted Vinyl
Chromone Derivatives
Cephalosporin
24 patents (USPTO):Explore Patents
1. 6372914 - Intermediates useful for the manufacture of carbapenem and a stereoselective manufacturing method therefor (2002-04-16),
2. 6218550 - Intermediates useful for the manufacture of carbapenem and a stereoselective manufacturing method therefor (2001-04-17),
3. 6037341 - Carbapenem derivatives (2000-03-14),
4. 5741902 - 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for (1998-04-21),
5. 5604217 - 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for (1997-02-18),
6. 5587473 - 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for (1996-12-24),
7. 5563265 - 7-acyl-3-(substituted carbamoyloxy) cephem compounds (1996-10-08),
8. 5559225 - 7-acyl-3-(substituted carbamoyloxy) cephem compound (1996-09-24),
9. 5373000 - 7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds (1994-12-13),
10. 5151417 - 3-substituted vinyl cephalosporin derivatives (1992-09-29),
11. 5128465 - Process for the preparation of cephem derivatives and intermediates (1992-07-07),
12. 5089491 - 3-propenylcephem derivative (1992-02-18),
13. 5010188 - Cephem derivatives (1991-04-23),
14. 5008260 - Cephem derivatives (1991-04-16),
15. 5006649 - 3-propenylcephem derivative (1991-04-09),

Title: Isao Sugiyama: Innovator in Carbapenem Manufacturing

Introduction: Isao Sugiyama is a prominent inventor based in Ibaraki, Japan, recognized for his significant contributions to the pharmaceutical industry. With an impressive portfolio of 24 patents, he has made remarkable advancements in the field, particularly in the manufacture of carbapenems, a class of highly effective antibiotics.

Latest Patents: Sugiyama's most recent patents include groundbreaking technologies related to intermediates useful for the manufacture of carbapenem and a stereoselective manufacturing method therefor. These innovations not only enhance efficiency in production but also improve the overall efficacy of carbapenem antibiotics.

Career Highlights: Sugiyama's career is marked by his dedication to research and development at Eisai Company, Limited, where he has played a vital role in advancing pharmaceutical technologies. His expertise and innovative mindset have made him a valuable asset to his organization and the broader scientific community.

Collaborations: Throughout his career, Sugiyama has collaborated with esteemed colleagues, including Shigeto Negi and Yoshimasa Machida. These partnerships have fostered a collaborative environment that promotes the exchange of ideas and the pursuit of groundbreaking solutions in the pharmaceutical field.

Conclusion: Isao Sugiyama stands out as a leading figure in the realm of pharmaceutical innovations, particularly with his focused work in carbapenem manufacturing. His patents reflect a deep commitment to enhancing medical treatments and showcase the impact of his collaborative efforts within the industry.

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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