Ube, Japan

Yasuhiro Kurokawa

This inventor holds 2 USPTO granted patents. Top assignee: Ube Industries, Inc.. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Kurokawa. Retrieved from https://idiyas.com/inventor/yasuhiro-kurokawa-iupb3m6t

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 = 4.4

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1993-1995

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2 patents (USPTO):Explore Patents

Title: Yasuhiro Kurokawa: Innovator in Organic Solution Purification

Introduction

Yasuhiro Kurokawa is a notable inventor based in Ube, Japan. He has made significant contributions to the field of organic solution purification, holding a total of 2 patents. His work focuses on methods that enhance the efficiency and effectiveness of purifying organic solutions containing lactams.

Latest Patents

Kurokawa's latest patents include a method for purifying an organic solution containing lactams. This method involves processing the solution with an anion exchange resin to remove anionic surface active substances, followed by water extraction to separate the desired components. Another significant patent is the ion exchange purification method of an aqueous caprolactam solution. This method is part of a process for producing caprolactam and laurolactam, utilizing a mixture of cyclohexanone oxime and cyclododecanone oxime subjected to Beckmann rearrangement.

Career Highlights

Yasuhiro Kurokawa is associated with Ube Industries, Inc., where he has been instrumental in advancing purification techniques. His innovative approaches have contributed to the company's reputation in the chemical industry.

Collaborations

Kurokawa has collaborated with notable coworkers, including Tomohiko Yamamoto and Masaru Matsunishi. Their combined expertise has fostered advancements in their respective fields.

Conclusion

Yasuhiro Kurokawa's contributions to organic solution purification highlight his role as an influential inventor. His patents reflect a commitment to innovation and improvement in chemical processes.

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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