Yokohama, Japan

Naoji Yoshii

This inventor holds 2 USPTO granted patents. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1978-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoji Yoshii. Retrieved from https://idiyas.com/inventor/naoji-yoshii

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 = 2.9

ph-index = 2

Forward Citations = 62(Granted Patents)


Location History:

  • Yokohama, JP (1978)
  • Kurashiki, JP (1983)

Company Filing History:


Years Active: 1978-1983

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2 patents (USPTO):Explore Patents

Title: Naoji Yoshii: Innovator in Polyethylene Technology

Introduction

Naoji Yoshii is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyethylene compositions. With a total of 2 patents to his name, Yoshii's work has had a notable impact on the industry.

Latest Patents

Yoshii's latest patent focuses on a polyethylene blend composition. This innovative crosslinked polyethylene composition exhibits excellent physical properties, including high stiffness, enhanced environmental stress crack resistance (ESCR), and superior impact strength. Additionally, it boasts improved molding properties, such as enhanced melt tension and reduced dye swell. The composition is achieved by lightly crosslinking and intimately melt blending high- and medium-density polyethylene with varying molecular weights, along with a flame retardant resin composition.

Career Highlights

Naoji Yoshii is currently employed at Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical industry. His work at Asahi Kasei has allowed him to explore and develop innovative materials that meet the demands of modern applications. His expertise in polyethylene technology has positioned him as a key figure in the field.

Collaborations

Yoshii has collaborated with notable coworkers, including Kisoo Moriguchi and Yoshikazu Suda. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Naoji Yoshii's contributions to polyethylene technology exemplify the spirit of innovation in materials science. His patents reflect a commitment to advancing the capabilities of polyethylene compositions, making a lasting impact on the industry.

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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