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For the Inventor, By the Inventor

Toyonaka, Japan

Shoichi Ishihara

This inventor holds 3 USPTO granted patents. Top assignee: Shionogi Company Limited. Active years: 1986-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichi Ishihara. Retrieved from https://idiyas.com/inventor/shoichi-ishihara-psg064gj

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

Calculating rank
USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 6(Granted Patents)


Location History:

  • Toyonaka, JP (1986 - 1987)
  • Hyogo, JP (1992)

Company Filing History:

goldMedal3 out of 1,001 
 
Shionogi Company Limited
 patents

Years Active: 1986-1992

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3 patents (USPTO):Explore Patents
1. 5166425 - S-difluoromethylhomocysteines, preparation process, and selective (1992-11-24),
2. 4686179 - 4- or 6-substituted aldosterones, their production and use in immunoassay (1987-08-11),
3. 4623485 - 4- or 6-substituted aldosterones (1986-11-18),

Title: The Innovations of Shoichi Ishihara

Introduction

Shoichi Ishihara is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the field of chemistry, particularly in the development of compounds with practical applications in agriculture and immunoassays. With a total of 3 patents, his work has garnered attention for its innovative approaches.

Latest Patents

Ishihara's latest patents include the invention of S-difluoromethylhomocysteines, which involves a preparation process and a selective compound useful as a selective insecticide. Another significant patent is related to 4- or 6-substituted aldosterones, detailing their production and use in immunoassays. This invention includes a substituted aldosterone formula that serves as a reagent in the determination of aldosterones by radioimmunoassay or enzyme immunoassay.

Career Highlights

Shoichi Ishihara is associated with Shionogi Company Limited, where he has been able to apply his expertise in developing innovative chemical compounds. His work has not only advanced scientific knowledge but also provided practical solutions in various applications.

Collaborations

Ishihara has collaborated with notable coworkers such as Masao Kono and Taichitro Komeno. These collaborations have likely contributed to the success of his inventions and the advancement of their respective fields.

Conclusion

Shoichi Ishihara's contributions to the field of chemistry through his patents demonstrate his innovative spirit and dedication to scientific advancement. His work continues to impact various industries, showcasing the importance of research and development in creating effective solutions.

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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