Ibaraki, Japan

Richar S Clark

This inventor holds 1 USPTO granted patent. Top assignee: Eisai Company, Limited. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richar S Clark. Retrieved from https://idiyas.com/inventor/richar-s-clark

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


% Patents Active = 100.0

Average Co-Inventor Count = 20.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Richar S Clark: Innovator in Pharmaceutical Chemistry

Introduction

Richar S Clark is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of pharmaceutical chemistry, particularly through his innovative work on compounds that address allergic diseases. His expertise and dedication to research have led to the development of valuable pharmaceutical applications.

Latest Patents

Richar S Clark holds a patent for a 1,4-diazepine derivative and its pharmaceutical use. This patent describes a triazolo-1,4-di-azepine compound that is useful in the pharmaceutical field, especially for treating allergic diseases. The compound includes various structural components, where R¹ and R² can be hydrogen or an alkyl, R³ can be hydrogen or a halogen, R⁴ can be hydrogen or an alkyl, X can be --OCO--, --NHCO--, --CO--, and Y can be a cycloalkyl, a cycloalkylalkyl, an alkynyl, or others. This innovation showcases his commitment to advancing medical science.

Career Highlights

Richar S Clark is associated with Eisai Company, Limited, where he continues to contribute to pharmaceutical research and development. His work has been instrumental in creating new therapeutic options for patients suffering from allergic conditions. His dedication to innovation is evident in his patent and ongoing research efforts.

Collaborations

Richar has collaborated with esteemed colleagues such as Kazuo Okano and Shuhei Miyazawa. These partnerships have fostered a collaborative environment that enhances the potential for groundbreaking discoveries in the pharmaceutical industry.

Conclusion

Richar S Clark's contributions to pharmaceutical chemistry, particularly through his patented innovations, highlight his role as a key figure in the field. His work continues to impact the treatment of allergic diseases, showcasing the importance of innovation in healthcare.

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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