Tokyo, Japan

Naoaki Yamasaki

This inventor holds 12 USPTO granted patents and 10 published patent applications, plus 2 CIPO patents and 7 EPO patents. Top assignees: Asahi Kasei Chemicals Corporation, Asahi Kasei Kabushiki Kaisha. Active years: 2009-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoaki Yamasaki. Retrieved from https://idiyas.com/inventor/naoaki-yamasaki

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

Calculating rank
USPTO Granted Patents = 12 

% Patents Active = 83.3


 

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Nobeoka, JP (2009 - 2013)
  • Tokyo, JP (2013 - 2022)

Company Filing History:


Years Active: 2009-2024

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12 patents (USPTO):Explore Patents

Title: Naoaki Yamasaki: Innovator in Cellulose Fiber Technology

Introduction

Naoaki Yamasaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of cellulose fiber technology, holding a total of 12 patents. His work focuses on the development of innovative materials that enhance the properties and applications of cellulose fibers.

Latest Patents

Yamasaki's latest patents include advancements in fine cellulose fibers and their production methods. One notable patent describes fine cellulose fibers that meet specific criteria when measured using an automatic fiber shape analyzer. These fibers have a length weighted average fiber length ranging from 110 to 500 μm, an average fiber diameter of at most 42.5 μm, and a fine fiber area ratio of at most 90%. Additionally, he has developed a cellulose-containing resin composition that exhibits excellent flow and mechanical properties, along with resin pellets and molded resins formed from this composition.

Career Highlights

Throughout his career, Yamasaki has worked with leading companies in the chemical industry, including Asahi Kasei Chemicals Corporation and Asahi Kasei Kabushiki Kaisha. His expertise in cellulose technology has positioned him as a key figure in the development of new materials that leverage the unique properties of cellulose.

Collaborations

Yamasaki has collaborated with notable colleagues such as Haruko Obata and Ichiro Ibuki. These partnerships have contributed to the advancement of cellulose fiber technology and the successful implementation of innovative solutions in various applications.

Conclusion

Naoaki Yamasaki's contributions to cellulose fiber technology and his impressive portfolio of patents highlight his role as a leading inventor in this field. His work continues to influence the development of new materials that enhance the functionality and sustainability of cellulose-based products.

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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