Yokkaichi, Japan

Nobuyuki Murai

This inventor holds 5 USPTO granted patents. Top assignees: Mitsubishi Chemical Industries Limited, Mitsubishi Kasei Corporation. Active years: 1982-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Murai. Retrieved from https://idiyas.com/inventor/nobuyuki-murai

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 = 4.2

ph-index = 3

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1982-1995

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Nobuyuki Murai: Innovator in Chemical Production

Introduction

Nobuyuki Murai is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of chemical production, holding a total of 5 patents. His innovative methods have advanced the production processes of various chemical compounds.

Latest Patents

Murai's latest patents include a method for the production of polytetramethylene ether glycol. This method involves the polymerization of tetrahydrofuran in the presence of fluorosulfonic acid, followed by hydrolysis of the resulting polymer. Another notable patent is for producing an unsaturated glycol diester. This process entails reacting molecular oxygen, a carboxylic acid, and a conjugated diene in the presence of a solid catalyst containing palladium and tellurium supported on a carrier. The carrier used in this method is an active carbon with specific pore volume characteristics.

Career Highlights

Throughout his career, Nobuyuki Murai has worked with leading companies in the chemical industry. He has been associated with Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His work in these organizations has allowed him to develop and refine his innovative methods.

Collaborations

Murai has collaborated with notable coworkers, including Junzo Haji and Ichiro Yokotake. Their combined expertise has contributed to the success of various projects and patents.

Conclusion

Nobuyuki Murai's contributions to chemical production through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the industry and pave the way for future advancements.

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]
Loading…