Shibukawa, Japan

Masashi Kume

This inventor holds 6 USPTO granted patents. Top assignees: Denka Company Limited, Denki Kagaku Kogyo Kabushiki Kaisha. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Kume. Retrieved from https://idiyas.com/inventor/masashi-kume

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 = 2.6

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Gunma, JP (2014)
  • Shibukawa, JP (2016)
  • Kamakura, JP (2022)
  • Tokyo, JP (2023)

Company Filing History:


Years Active: 2014-2025

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6 patents (USPTO):Explore Patents

Title: The Innovations of Masashi Kume

Introduction

Masashi Kume is a notable inventor based in Shibukawa, Japan. He has made significant contributions to the field of artificial hair technology. With a total of 6 patents to his name, Kume's work has had a lasting impact on the industry.

Latest Patents

Kume's latest patents include innovative fibers for artificial hair and hair accessory products. One of his inventions is a fiber that contains 50 parts by mass or more and 95 parts by mass or less of a vinyl chloride-based resin, along with 5 parts by mass or more and 50 parts by mass or less of a vinyl-based copolymer resin. This copolymer resin consists of 60% by mass or more and less than 70% by mass of a styrene-based monomer unit, and more than 30% by mass and 40% by mass or less of an acrylonitrile-based monomer unit. Another significant invention is a fiber for artificial hair that boasts superior combing properties, incorporating vinyl chloride-based resin, vinyl-based copolymer, and vinyl chloride-based acrylic graft copolymer.

Career Highlights

Throughout his career, Kume has worked with prominent companies such as Denka Company Limited and Denki Kagaku Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative materials for artificial hair.

Collaborations

Kume has collaborated with notable coworkers, including Atsushi Horihata and Atsushi Takei. Their combined efforts have further advanced the field of artificial hair technology.

Conclusion

Masashi Kume's contributions to the invention of fibers for artificial hair demonstrate his innovative spirit and dedication to improving hair accessory products. His patents reflect a deep understanding of materials science and a commitment to enhancing user experience.

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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