Tokyo, Japan

Kazumichi Nakagawa

This inventor holds 1 USPTO granted patent. Top assignees: Hoya Corporation, Other. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumichi Nakagawa. Retrieved from https://idiyas.com/inventor/kazumichi-nakagawa

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 = 3.0

ph-index = 1

Forward Citations = 81(Granted Patents)


Company Filing History:

goldMedal1 out of 2,569 
 
Hoya Corporation
 patents
silverMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Kazumichi Nakagawa: Innovator in Supercritical Processing Technology

Introduction

Kazumichi Nakagawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of processing technologies, particularly through his innovative methods involving supercritical atmospheres. His work has implications for various industries, including electronics and manufacturing.

Latest Patents

Kazumichi Nakagawa holds a patent for a "Method of processing an article in a supercritical atmosphere." This method involves introducing an article into a supercritical atmosphere formed in a pressure vessel, which comprises carbon dioxide. The process allows for the selective removal of an exposed resist film on a surface layer of a substrate, enabling the creation of a predetermined pattern. This technology is particularly useful for processing articles such as compact discs and mechanical parts, as it also facilitates cleaning in the supercritical atmosphere.

Career Highlights

Throughout his career, Nakagawa has worked with prominent companies, including Hoya Corporation. His expertise in supercritical processing has positioned him as a valuable asset in the field of material science and engineering. His innovative approaches have garnered attention and respect within the industry.

Collaborations

Kazumichi Nakagawa has collaborated with notable professionals, including Masaru Nishikawa and Yohichi Yamaguchi. These collaborations have contributed to the advancement of technologies related to his patent and have fostered a spirit of innovation in their respective fields.

Conclusion

Kazumichi Nakagawa's contributions to supercritical processing technology highlight his role as an influential inventor. His patented methods and collaborations reflect a commitment to advancing industrial processes and improving efficiency in various applications.

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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