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For the Inventor, By the Inventor

Nara, Japan

Koji Ishikura

This inventor holds 9 USPTO granted patents. Top assignee: Shionogi Company Limited. Active years: 1976-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Ishikura. Retrieved from https://idiyas.com/inventor/koji-ishikura

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 69(Granted Patents)


Location History:

  • Amagasaki all of, JA (1976)
  • Amagasaki, JP (1978)
  • Nara, JP (1986 - 2002)

Company Filing History:

goldMedal9 out of 1,001 
 
Shionogi Company Limited
 patents

Years Active: 1976-2002

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9 patents (USPTO):Explore Patents
1. 6458950 - Compounds and pharmaceutical compositions containing the same (2002-10-01),
2. 6214818 - Cephem compounds and pharmaceutical compositions containing the same (2001-04-10),
3. 5134138 - Phenacylpyridiniothiocephalosporins (1992-07-28),
4. 4731362 - Alkylcarbamoyloxymethylcephem compounds (1988-03-15),
5. 4731361 - Alkeneamidocephalosporin esters (1988-03-15),
6. 4578378 - (Oxoheterocyclic carbonamido)cephem carboxylic acid derivatives (1986-03-25),
7. 4101658 - Antibacterial hydrazono cephalosporins (1978-07-18),
8. 3997528 - Cephalosporin compounds (1976-12-13),
9. 3997528 - Cephalosporin compounds (1976-12-13),

Title: The Innovations of Koji Ishikura

Introduction

Koji Ishikura is a prominent inventor based in Nara, Japan. He has made significant contributions to the field of pharmaceuticals, holding a total of nine patents. His work focuses on developing compounds and pharmaceutical compositions that have the potential to improve health outcomes.

Latest Patents

Ishikura's latest patents include innovative compounds and pharmaceutical compositions. One notable patent describes a compound represented by a specific formula, which includes a heterocyclic group with various hetero atoms. Another patent focuses on cephem compounds, detailing a cephem ring with a substituent at the 3-position, showcasing his expertise in medicinal chemistry.

Career Highlights

Throughout his career, Ishikura has been associated with Shionogi & Company Limited, a leading pharmaceutical company. His work has contributed to advancements in drug development and has positioned him as a key figure in the industry.

Collaborations

Ishikura has collaborated with notable coworkers, including Kyoji Minami and Mitsuru Yoshioka. These partnerships have fostered a collaborative environment that enhances innovation and research in their field.

Conclusion

Koji Ishikura's contributions to pharmaceutical innovations through his patents and collaborations highlight his significant role in advancing medical science. His work continues to impact the industry positively.

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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