Yokkaichi, Japan

Akiyoshi Onishi

This inventor holds 6 USPTO granted patents. Top assignees: Mitsubishi Petrochemical Company Limited, Mitsubishi Chemical Corporation, Yoshitomi Pharmaceutical Industries, Ltd.. Active years: 1981-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiyoshi Onishi. Retrieved from https://idiyas.com/inventor/akiyoshi-onishi

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 = 3.6

ph-index = 4

Forward Citations = 42(Granted Patents)


Location History:

  • Tsu, JP (1981 - 1999)
  • Yokkaichi, JP (1991 - 1999)

Company Filing History:


Years Active: 1981-1999

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6 patents (USPTO):Explore Patents

Title: Akiyoshi Onishi: Innovator in Polymer Chemistry

Introduction

Akiyoshi Onishi is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of copolymers and their applications. With a total of 6 patents to his name, Onishi's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents, Onishi has developed copolymers of propylene with polymerizable hindered amine light stabilizers. These copolymers, which include lower alpha-olefins and HALS-containing monomers, such as 1-(10-undecenyl)-2,2,6,6-tetramethylpiperidine, are designed for use in light or heat stabilization. They can be utilized independently or in blends with other polymers. Another notable patent involves a phenol compound and its various uses, showcasing Onishi's innovative approach to polymer applications.

Career Highlights

Throughout his career, Akiyoshi Onishi has worked with leading companies in the chemical industry. He has been associated with Mitsubishi Petrochemical Company Limited and Mitsubishi Chemical Corporation, where he has contributed to various research and development projects. His expertise in polymer chemistry has positioned him as a key figure in advancing the field.

Collaborations

Onishi has collaborated with several notable professionals in his field, including Kazuo Nakagawa and Naoki Hanayama. These collaborations have further enriched his research and have led to significant advancements in polymer technology.

Conclusion

Akiyoshi Onishi's contributions to polymer chemistry through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire advancements in the industry, making him a notable figure in the realm of 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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