Kawagoe, Japan

Kazuhito Fukasawa

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Wako Pure Chemical Industries, Inc.. Active years: 1999-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhito Fukasawa. Retrieved from https://idiyas.com/inventor/kazuhito-fukasawa

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

Calculating rank

% Patents Active = 75.0


Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 53(Granted Patents)


Location History:

  • Saitama, JP (2004 - 2005)
  • Kawagoe, JP (1999 - 2010)

Company Filing History:


Years Active: 1999-2010

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4 patents (USPTO):Explore Patents

Title: Kazuhito Fukasawa: Innovator in Sulfonium Salt Compounds

Introduction

Kazuhito Fukasawa is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of chemistry, particularly in the development of sulfonium salt compounds. With a total of 4 patents to his name, Fukasawa's work has implications in various applications, including photopolymerization and resist technology.

Latest Patents

Fukasawa's latest patents include a process for producing triarylsulfonium salt. This method focuses on creating a triarylsulfonium salt where one of the three aromatic rings differs from the others. This compound serves as an acid-generating agent for resists and a photo cationic polymerization initiator. Another significant patent involves a sulfonium salt compound characterized by a general formula that includes aromatic hydrocarbon residual groups and anions derived from carboxylic acids with fluorine substitutions. This compound enhances the profiles of ultra-fine patterns and reduces sidewall irregularities, making it valuable in advanced manufacturing processes.

Career Highlights

Kazuhito Fukasawa is currently employed at Wako Pure Chemical Industries, Inc. His work at this company has allowed him to focus on innovative chemical processes and compounds that have practical applications in the industry. His expertise in sulfonium salts has positioned him as a key figure in his field.

Collaborations

Fukasawa has collaborated with notable colleagues, including Motoshige Sumino and Shigeaki Imazeki. These partnerships have contributed to the advancement of research and development in their shared areas of interest.

Conclusion

Kazuhito Fukasawa's contributions to the field of chemistry, particularly through his patents on sulfonium salt compounds, highlight his innovative spirit and dedication to advancing technology. His work continues to influence various applications in the industry, showcasing the importance of research and collaboration in driving 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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