Shin Nanyo, Japan

Osamu Fujii

This inventor holds 2 USPTO granted patents. Top assignee: Toyo Soda Manufacturing Co., Ltd.. Active years: 1980-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Fujii. Retrieved from https://idiyas.com/inventor/osamu-fujii-d9ojtlre

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Shin Nanyo, JP (1980)
  • Tokorozawa, JP (1986)

Company Filing History:


Years Active: 1980-1986

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Osamu Fujii

Introduction

Osamu Fujii is a notable inventor based in Shin Nanyo, Japan. He has made significant contributions to the field of chemical engineering, particularly in the area of ethyleneamines and isoindolinone pigments. With a total of 2 patents to his name, Fujii's work has had a considerable impact on industrial processes.

Latest Patents

Fujii's latest patents include a process for recovering ethyleneamines and a process for purifying crude isoindolinone series pigments. The first patent details an efficient method for extracting ethyleneamines from an aqueous solution into an organic phase using various selected extractants. This innovative approach allows for the recovery of ethyleneamines by incorporating an acid into the organic phase, followed by phase separation. The second patent focuses on the purification of isoindolinone pigments, achieving extremely high purity levels, which are essential for various applications in the industry.

Career Highlights

Fujii is currently employed at Toyo Soda Manufacturing Co., Ltd., where he continues to advance his research and development efforts. His work has not only contributed to the company's success but has also enhanced the overall field of chemical manufacturing.

Collaborations

Fujii has collaborated with esteemed colleagues such as Hiroyuki Saito and Eiji Iwamoto. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Osamu Fujii's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and pave the way for future innovations.

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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