Tokyo, Japan

Ryuji Hirosawa

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Sumitomo Bakelite Company Limited. Active years: 2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Hirosawa. Retrieved from https://idiyas.com/inventor/ryuji-hirosawa

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2024

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1 patent (USPTO):Explore Patents

Title: Ryuji Hirosawa: Innovator in Photosensitive Resin Technology

Introduction

Ryuji Hirosawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of photosensitive resin compositions. His innovative work has led to the filing of a patent that showcases his expertise and creativity in this specialized area.

Latest Patents

Ryuji Hirosawa holds a patent for a photosensitive resin composition. This composition includes an alkali-soluble resin, a photoacid generator, a first organic solvent, and a second organic solvent that differs from the first. The alkali-soluble resin comprises at least one selected from polyamide resin, polyimide resin, and their precursors. Notably, the second organic solvent contains a heterocyclic compound with a carbonyl group, excluding N-methyl-2-pyrrolidone. The formulation specifies that the amount of the second organic solvent ranges from 0.001% by mass to 4.0% by mass concerning the entire photosensitive resin composition.

Career Highlights

Ryuji Hirosawa is associated with Sumitomo Bakelite Company Limited, where he has been instrumental in advancing the company's research and development initiatives. His work has not only contributed to the company's portfolio but has also positioned him as a key figure in the industry.

Collaborations

Throughout his career, Ryuji has collaborated with talented individuals such as Sakiko Suzuki and Makoto Horii. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Ryuji Hirosawa's contributions to the field of photosensitive resin technology exemplify his dedication to innovation. His patent reflects a significant advancement in materials science, showcasing his ability to develop solutions that meet industry needs. His work continues to inspire future developments in this critical area.

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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