Shizuoka, Japan

Masahiro Ishii

This inventor holds 5 USPTO granted patents. Top assignees: Merck Patent Gmbh, Az Electronic Materials (Luxembourg) S.a.r.l.. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Ishii. Retrieved from https://idiyas.com/inventor/masahiro-ishii-9nkb93at

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

Calculating rank

% Patents Active = 40.0

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2016-2026

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

Title: Innovator Masahiro Ishii: Pioneering Fine Resist Patterns

Introduction

Masahiro Ishii, an accomplished inventor from Shizuoka, Japan, has made significant strides in the field of photoresist compositions and pattern formation technologies. With a total of four patents to his name, Ishii has contributed innovative solutions to the challenges faced in electronic manufacturing processes, particularly in miniaturizing resist patterns for advanced circuitry.

Latest Patents

Ishii's latest patents focus on compositions for forming fine resist patterns, notably aiming to address issues such as surface roughness, bridge defects, and resolution failures in negative photoresist applications. His inventions provide a composition that allows for the formation of fine negative photoresist patterns by employing a chemically amplified resist composition, which utilizes specific polymers and solvents to achieve miniaturization without compromising quality. Furthermore, his innovative methods include casting compositions on developed negative and positive resist patterns, followed by heating, to yield enhanced fine patterns that meet the increasing demands of modern electronics.

Career Highlights

Throughout his career, Masahiro Ishii has worked with notable companies in the industry, including Merck Patent GmbH and AZ Electronic Materials (Luxembourg) S.A.R.L. His experiences in these leading organizations have equipped him with valuable insights and expertise that have influenced his inventive processes.

Collaborations

Ishii has collaborated with prominent professionals, including Takashi Sekito and Kazuma Yamamoto, sharing knowledge and technologies that drive innovation in resist pattern development. Such collaborations highlight the importance of collective expertise in advancing the efficiency and effectiveness of electronic manufacturing techniques.

Conclusion

As a forward-thinking inventor, Masahiro Ishii continues to pave the way for advancements in fine resist pattern technologies. His contributions are not only vital for current applications but also set the foundation for future innovations in the electronics sector. With a dedication to solving complex problems through innovative solutions, Ishii's work will undoubtedly leave a lasting impact on the field of photoresist technology.

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…