Soka, Japan

Masahiko Igarashi

This inventor holds 1 USPTO granted patent. Top assignees: Kanto Chemical Co., Inc., Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Igarashi. Retrieved from https://idiyas.com/inventor/masahiko-igarashi-tqlb9pce

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 = 6.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Masahiko Igarashi: Innovator in Negative-Working Photoresist Coating Composition

Introduction

Masahiko Igarashi, a prominent inventor based in Soka, Japan, is recognized for his significant contribution to the field of photoresist technology. With one patent to his name, Igarashi has demonstrated a remarkable ability to innovate in materials science, particularly in the development of photoresist coatings that are essential for lithographic processes in the semiconductor industry.

Latest Patents

Igarashi's patented invention is a negative-working photoresist coating composition, which is noted for its improved resolution. The composition features a cyclized polyisoprene with a weight-average molecular weight ranging from 10,000 to 100,000, exhibiting a molecular weight distribution of not more than 1.9. Accompanied by an organic solvent and a bisazido compound used as a crosslinking agent, this formulation has the potential to enhance the precision and efficiency of microfabrication techniques.

Career Highlights

Throughout his career, Masahiko Igarashi has been associated with notable companies such as Kanto Chemical Co., Inc. and Tokyo Shibaura Denki Kabushiki Kaisha. His work in these organizations has contributed to advancements in chemical engineering and materials used in technology applications. Igarashi's expertise in developing novel materials has solidified his reputation within the scientific community.

Collaborations

In his endeavors, Igarashi has collaborated with esteemed colleagues, including Hatsuo Nakamura and Tiharu Kato. These collaborations have likely facilitated knowledge exchange and innovation, leading to further advancements in their respective fields.

Conclusion

Masahiko Igarashi's contributions to the development of a negative-working photoresist coating composition highlight the importance of innovation in the realm of semiconductor manufacturing. As technology continues to evolve, the impact of inventors like Igarashi is crucial in paving the way for future advancements in materials science and engineering. His work represents not only a personal achievement but also a significant step forward for the industry.

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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