Sodegaura, Japan

Yoshio Hiroi

This inventor holds 4 USPTO granted patents. Top assignee: Idemitsu Kosan Company, Limited. Active years: 1991-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Hiroi. Retrieved from https://idiyas.com/inventor/yoshio-hiroi

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Chiba, JP (1992)
  • Sodegaura, JP (1991 - 1995)

Company Filing History:


Years Active: 1991-1995

Loading Chart...
4 patents (USPTO):Explore Patents

Title: Innovations of Yoshio Hiroi

Introduction

Yoshio Hiroi is a notable inventor based in Sodegaura, Japan. He has made significant contributions to the field of technology, particularly in the development of advanced materials and processes. With a total of 4 patents to his name, Hiroi's work has had a considerable impact on the industry.

Latest Patents

Hiroi's latest patents include a color filter and a method for its manufacture. Additionally, he has developed a process for producing organic thin films. This innovative process involves solubilizing a hydrophobic organic substance with a surfactant containing a ferrocene compound in an aqueous medium to form a micelle solution. The micelle solution is then electrolyzed to create a thin film of the hydrophobic organic substance on an electrode. The ferrocene compound utilized in this process has a specific chemical formula, where G can be hydrogen, methyl, or ethyl, and R⁴ can also be hydrogen, methyl, or ethyl.

Career Highlights

Hiroi is currently associated with Idemitsu Kosan Company, Limited, where he continues to push the boundaries of innovation. His work has been instrumental in advancing the technology related to organic materials and their applications.

Collaborations

Hiroi has collaborated with several talented individuals in his field, including Seiichiro Yokoyama and Mitsuru Eida. These collaborations have further enriched his research and development efforts.

Conclusion

Yoshio Hiroi's contributions to the field of technology through his patents and innovative processes highlight his role as a significant inventor. His work continues to influence advancements in organic materials and their applications in various industries.

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…