Kamakura, Japan

Kazuhito Sonoda

This inventor holds 1 USPTO granted patent. Top assignee: Denka Company Limited. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhito Sonoda. Retrieved from https://idiyas.com/inventor/kazuhito-sonoda

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 = 4.0

ph-index = 1


Company Filing History:


Years Active: 2020

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1 patent (USPTO):Explore Patents

Title: Kazuhito Sonoda: Innovator in Artificial Hair Fiber Technology

Introduction

Kazuhito Sonoda is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of artificial hair technology. His innovative approach has led to the development of a unique fiber that closely mimics human hair.

Latest Patents

Kazuhito Sonoda holds a patent for a fiber designed for artificial hair. This invention focuses on preventing detachment between the core and sheath of the fiber. The artificial hair fiber boasts a superior texture that closely resembles human hair and exhibits excellent curl retention. The core-sheath structure includes a core made from a polyester resin composition and a sheath made from a polyamide resin composition. The core and sheath maintain a mass ratio of 40/60 to 90/10. Additionally, the viscosity ratio of the polyester to the polyamide is maintained between 0.5 and 2.5.

Career Highlights

Kazuhito Sonoda is associated with Denka Company Limited, where he continues to innovate in the field of artificial hair fibers. His work has garnered attention for its practical applications and advancements in material science.

Collaborations

Some of his notable coworkers include Atsushi Takei and Koji Miyata. Their collaborative efforts contribute to the ongoing development of innovative products within the company.

Conclusion

Kazuhito Sonoda's contributions to artificial hair technology exemplify the importance of innovation in material science. His patented fiber represents a significant advancement in creating realistic artificial hair.

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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