Tokyo, Japan

Kiyoharu Nakayama

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Soda Co., Ltd., Suntory Limited. Active years: 1987-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoharu Nakayama. Retrieved from https://idiyas.com/inventor/kiyoharu-nakayama

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 1

Forward Citations = 13(Granted Patents)


Location History:

  • Himi, JP (1987)
  • Tokyo, JP (1991)

Company Filing History:


Years Active: 1987-1991

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2 patents (USPTO):Explore Patents

Title: Kiyoharu Nakayama: Innovator in Organic Chemistry

Introduction

Kiyoharu Nakayama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of organic chemistry, particularly in the development of processes for synthesizing optically active compounds. With a total of 2 patents to his name, Nakayama's work has implications in various applications, including pharmaceuticals.

Latest Patents

One of Nakayama's latest patents is titled "Process for preparing optically active tetrahydro-2-furoic acid." This innovative process involves reacting (±)-tetrahydro-2-furoic acid with an optically active amine resolver, resulting in the production of a high-purity, optically active diastereomer salt. The method allows for the recovery of the amine resolver at high yield and purity, showcasing its efficiency. Another significant patent is "Process for the production of 3-phenyl-4-cyanopyrroles," which details a reaction involving specific chemical compounds to produce valuable organic materials.

Career Highlights

Throughout his career, Kiyoharu Nakayama has worked with prominent companies such as Nippon Soda Co., Ltd. and Suntory Limited. His experience in these organizations has contributed to his expertise in organic synthesis and innovation in chemical processes.

Collaborations

Nakayama has collaborated with esteemed colleagues, including Kenichi Noguchi and Hiroyuki Muro. These partnerships have likely enriched his research and development efforts, leading to advancements in his field.

Conclusion

Kiyoharu Nakayama is a distinguished inventor whose work in organic chemistry has led to valuable patents and processes. His contributions continue to influence the industry and pave the way for future innovations.

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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