Arao, Japan

Akinori Ryu

This inventor holds 24 USPTO granted patents and 15 EPO patents, primarily in Optical Materials. Top assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.. Active years: 2001-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akinori Ryu. Retrieved from https://idiyas.com/inventor/akinori-ryu

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


% Patents Active = 87.5

 

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 75(Granted Patents)


Location History:

  • Fukuoka, JP (2001 - 2002)
  • Omuta, JP (2008 - 2020)
  • Arao, JP (2011 - 2022)

Company Filing History:


Years Active: 2001-2022

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Areas of Expertise:
Polymerizable Composition
Optical Material
Photochromic
Plastic Polarized Lens
Polythiourethane
Optical Resin
Manufacturing Method
Polyurethane
Thioepoxy
Composition
Lens Production
Optical Article
24 patents (USPTO):Explore Patents

Title: Akinori Ryu: Innovator in Optical Material Technology

Introduction

Akinori Ryu, based in Arao, Japan, is a prominent inventor with a portfolio of 24 patents. His innovative contributions in the field of optical materials have positioned him as a significant figure in the industry, particularly through his advancements in polymerizable compositions.

Latest Patents

Ryu’s latest patents showcase his dedication to improving optical materials. One notable invention is a polymerizable composition for optical material, which includes a prepolymer resulting from a reaction between a first amine compound, a first diol compound, and a polyisocyanate compound. This composition features a first polythiol compound and integrates various chemical compounds, such as polyetheramine and aromatic amines, demonstrating Ryu's complex approach to material synthesis. Another patent elaborates on a similar composition but includes specific amine, iso(thio)cyanate, and polythiol compounds, encapsulating the key elements of advanced optical article production.

Career Highlights

Throughout his career, Akinori Ryu has worked with notable companies including Mitsui Chemicals, Inc. and Hopnic Laboratory Co., Ltd. His experiences in these organizations have greatly influenced his innovative strategies and methodologies in material science.

Collaborations

Ryu's innovative journey has been further enriched by his collaborations with esteemed colleagues such as Seiichi Kobayashi and Hiroyuki Morijiri. Together, they have contributed to the research and development of cutting-edge optical materials, ensuring the progress and excellence in their field.

Conclusion

Akinori Ryu's commitment to innovation in optical materials is evident through his numerous patents and contributions to the industry. His ongoing research and collaborations continue to pave the way for advancements in optical technology, solidifying his role as a key inventor in this specialized domain.

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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