Shizuoka, Japan

Masatoshi Yumoto

This inventor holds 13 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 1996-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Yumoto. Retrieved from https://idiyas.com/inventor/masatoshi-yumoto

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


% Patents Active = 76.9

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 32(Granted Patents)


Location History:

  • Shizuoka, JP (1996)
  • Shizuoaka, JP (1997)
  • Shizuoka-ken, JP (2000 - 2007)

Company Filing History:


Years Active: 1996-2007

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13 patents (USPTO):Explore Patents

Title: Masatoshi Yumoto: Innovator in Polyether Derivatives

Introduction

Masatoshi Yumoto is a prominent inventor based in Shizuoka-ken, Japan. He has made significant contributions to the field of chemistry, particularly in the development of polyether derivatives. With a total of 13 patents to his name, Yumoto's work has had a considerable impact on various applications in the industry.

Latest Patents

Yumoto's latest patents include innovative developments such as a polyether derivative and the process for producing the same. This invention relates to a polyether derivative represented by a specific general formula. Additionally, he has worked on optically active isosorbide and isomannide derivatives, along with production methods for these compounds. His inventions also encompass a photo-reactive chiral agent, liquid crystal compositions, liquid crystal color filters, optical films, and methods for changing and fixing the helical structure of liquid crystals.

Career Highlights

Masatoshi Yumoto is associated with Fuji Photo Film Company, Limited, where he has been instrumental in advancing research and development in his field. His expertise in polyether derivatives has positioned him as a key figure in the company, contributing to its innovative projects and product offerings.

Collaborations

Yumoto has collaborated with notable colleagues such as Mitsuyoshi Ichihashi and Keiichiro Hayashi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and enhances the quality of their research.

Conclusion

Masatoshi Yumoto's contributions to the field of chemistry, particularly in polyether derivatives, highlight his innovative spirit and dedication to advancing technology. His work continues to influence various applications, making him a significant figure in 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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