Otsu, Japan

Ryoji Okuda

This inventor holds 14 USPTO granted patents and 7 published patent applications and 4 EPO patents, primarily in Photosensitive Resin Composition. Top assignee: Toray Industries, Inc.. Active years: 2004-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Okuda. Retrieved from https://idiyas.com/inventor/ryoji-okuda

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

Calculating rank
USPTO Granted Patents = 14 

% Patents Active = 85.7

 

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 35(Granted Patents)


Location History:

  • Kusatsu, JP (2005)
  • Shiga, JP (2004 - 2007)
  • Otsu, JP (2015 - 2023)

Company Filing History:


Years Active: 2004-2023

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Areas of Expertise:
Di-Amine Compound
Heat-Resistant Resin
Resin Composition
Cured Film
Photosensitive Resin
Semiconductor Device
Polishing Pad
Positive-Type Resin
Polyimide Insulating Layer
Manufacturing Process
Cured Resin Film
14 patents (USPTO):Explore Patents

Title: Ryoji Okuda: Innovator in Heat-Resistant Resin Technology

Introduction

Ryoji Okuda is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of heat-resistant resins. With a total of 14 patents to his name, Okuda's work has had a substantial impact on various industries.

Latest Patents

Among his latest innovations are patents for a novel di-amine compound and a heat-resistant resin composition. The di-amine compound is designed to enhance the properties of heat-resistant resins, allowing for the creation of cured films that exhibit excellent chemical resistance and film properties even when subjected to thermal treatment at low temperatures of 200°C or less. This innovation is particularly useful in applications such as surface protective films and interlayer dielectric films in semiconductor devices, as well as dielectric layers in organic electroluminescent elements.

Career Highlights

Ryoji Okuda is currently associated with Toray Industries, Inc., a leading company in advanced materials. His work at Toray has focused on developing innovative resin compositions that include a combination of resins, antioxidizing agents, and crosslinking agents. These compositions are characterized by their ability to produce fine patterns with high uniformity while maintaining excellent adhesion properties.

Collaborations

Okuda has collaborated with notable colleagues, including Yuki Masuda and Masao Tomikawa. Their combined expertise has contributed to the advancement of resin technology and its applications in various fields.

Conclusion

Ryoji Okuda's contributions to the field of heat-resistant resins and his innovative patents demonstrate his commitment to advancing material science. His work continues to influence the development of new technologies and applications in 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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