Tokyo, Japan

Yasushi Masahiro

This inventor holds 28 USPTO granted patents and 9 published patent applications and 13 EPO patents, primarily in Conductive Polymers. Top assignees: Shin-Etsu Polymer Co., Ltd., Tanaka Kikinzoku Kogyo K.k., National Institute of Advanced Industrial Science and Technology. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Masahiro. Retrieved from https://idiyas.com/inventor/yasushi-masahiro

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

USPTO Granted Patents = 28 

% Patents Active = 82.1

 

Average Co-Inventor Count = 3.8

ph-index = 5

Forward Citations = 69(Granted Patents)


Location History:

  • Saitama, JP (2009 - 2014)
  • Tokyo, JP (2017 - 2022)

Company Filing History:


Years Active: 2009-2025

Loading Chart...
Loading Chart...
Areas of Expertise:
Organoiridium Complex
Organic Electroluminescent Elements
Conductive Polymer Solution
Antistatic Coating Material
Iridium Complex
Medical Alloys
Fuel Cell Catalyst
Silicide Alloy Film
Cyclometalated Iridium
Conductive Coating Film
Optical Filter
Capacitor Production
28 patents (USPTO):Explore Patents

Title: Yasushi Masahiro: Innovator in Organic Electroluminescent Elements and Fuel Cell Technology.

Introduction

Yasushi Masahiro is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of organic electroluminescent elements and fuel cell technology. With a total of 14 patents to his name, his work has had a substantial impact on modern technology.

Latest Patents

One of his latest patents is an organoiridium complex for organic electroluminescent elements. This invention relates to a complex where a C—N ligand and an ancillary ligand are coordinated with iridium. The organoiridium complex contains a 2-(dibenzo[b,d]thiophen-4-yl)quinolinate ligand with at least one methyl group, making it suitable as a red emitting phosphorescent material for OLEDs. It boasts a high photoluminescence quantum yield and excellent color purity.

Another notable patent is a cathode electrode catalyst for fuel cells, along with a reaction acceleration method. This invention features a catalyst with a core-shell structure that is highly active in the oxygen reduction reaction, which is crucial for fuel cell performance. The core-shell catalyst includes silver or palladium as the core material and platinum as the shell material, enhancing its efficiency.

Career Highlights

Yasushi Masahiro has worked with notable organizations such as Tanaka Kikinzoku Kogyo Co., Ltd. and the National Institute of Advanced Industrial Science and Technology. His experience in these institutions has allowed him to develop innovative technologies that push the boundaries of current scientific understanding.

Collaborations

He has collaborated with esteemed colleagues, including Junichi Taniuchi and Hideo Konno. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Yasushi Masahiro's contributions to organic electroluminescent elements and fuel cell technology exemplify his innovative spirit and dedication to advancing science. His patents reflect a commitment to improving technology for future generations.

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…