Chiba, Japan

Masahiro Endo

This inventor holds 9 USPTO granted patents and 3 EPO patents. Top assignees: Maruzen Petrochemical Company, Limited, National Institute of Radiological Sciences, National Institute of Radiological Science, Science and Technology Agency. Active years: 1995-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Endo. Retrieved from https://idiyas.com/inventor/masahiro-endo-1s07t1wc

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

Calculating rank

% Patents Active = 66.7

 

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 61(Granted Patents)


Location History:

  • Chiba, JP (1995 - 2018)
  • Ichihara, JP (2022 - 2024)

Company Filing History:


Years Active: 1995-2025

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9 patents (USPTO):Explore Patents

Title: Masahiro Endo: A Pioneer in Polymer Innovations

Introduction

Masahiro Endo is a notable inventor based in Chiba, Japan, recognized for his contributions to polymer science. With a total of nine patents to his name, Endo has focused on developing innovative materials that enhance the properties and functionalities of polymers.

Latest Patents

One of Endo's latest inventions includes core-shell-type polymer fine particles that possess a phosphonic acid or phosphonic acid ester structure. These core-shell polymeric particles demonstrate excellent dispersibility in aqueous media along with outstanding flame retardance. The structure includes a hydrophobic polymer core and a shell composed of a copolymer derived from vinyl phosphonic acid or vinyl phosphonic acid ester.

Additionally, Endo has developed a method for producing vinyl ether polymers containing hydrocarbon groups through radical polymerization. This method efficiently suppresses the decomposition of monomers and the generation of polyacetals, showcasing a significant advancement in polymer production techniques.

Career Highlights

Endo's career includes significant tenures at reputable organizations such as Maruzen Petrochemical Company, Limited and the National Institute of Radiological Sciences. His work in these institutions has facilitated the application of his inventive ideas in practical scenarios, leading to innovations that benefit various industries.

Collaborations

Throughout his career, Masahiro Endo has collaborated with esteemed colleagues including Shinji Sugihara and Shinichirou Mori. Their teamwork has likely contributed to the successful development and execution of several of his patented technologies, reinforcing the importance of collaboration in the field of innovation.

Conclusion

Masahiro Endo stands out as an influential figure in the realm of polymer innovations. His patented technologies not only reflect his expert knowledge but also demonstrate the potential impact of his work on industrial applications. With continued advancements in polymer science, Endo's contributions will surely remain integral to future developments in this field.

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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