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For the Inventor, By the Inventor

Niigata, Japan

Hiroyuki Nakayama

This inventor holds 1 USPTO granted patent. Top assignee: Daicel Chemical Industries, Ltd.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Nakayama. Retrieved from https://idiyas.com/inventor/hiroyuki-nakayama-a3ipdych

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

Calculating rank
USPTO Granted Patents = 1

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 35(Granted Patents)


Company Filing History:

goldMedal1 out of 1,165 
 
Daicel Chemical Industries, Ltd.
 patents

Years Active: 1998

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1 patent (USPTO):Explore Patents
1. 5723660 - Process for producing acetic acid (1998-03-03),

Title: Hiroyuki Nakayama: An Inventor in Acetic Acid Production

Introduction

Hiroyuki Nakayama is an inventor associated with Niigata, Japan, and Daicel Chemical Industries, Ltd. His patent work includes a process for producing acetic acid.

Latest Patents

Nakayama is credited with 1 patent: “Process for Producing Acetic Acid.” The invention concerns a method for producing acetic acid.

Career Highlights

Nakayama’s recorded patent activity connects him with Daicel Chemical Industries, Ltd., a company involved in chemical technologies. His patent on acetic acid production is a documented highlight of his inventive work.

Collaborations

His listed coworkers include Takashi Ueno and Yoshiaki Morimoto, who are also associated with the patent.

Conclusion

Hiroyuki Nakayama’s patent on producing acetic acid represents his documented contribution to chemical-process innovation.

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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