Ryugasaki, Japan

Yoshihiro Usui

This inventor holds 6 USPTO granted patents. Top assignees: Mitsubishi Chemical Corporation, Meiji Seika Kaisha, Ltd., Rhone Poulenc Agriculture Limited. Active years: 1996-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Usui. Retrieved from https://idiyas.com/inventor/yoshihiro-usui-7dchcx7k

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


% Patents Active = 83.3

Average Co-Inventor Count = 5.1

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Inashiki-gun, JP (1996)
  • Ibaraki-ken, JP (2000)
  • Ryugasaki, JP (1999 - 2006)

Company Filing History:


Years Active: 1996-2006

Loading Chart...
6 patents (USPTO):Explore Patents

Title: The Innovations of Yoshihiro Usui

Introduction

Yoshihiro Usui is a notable inventor based in Ryugasaki, Japan. He has made significant contributions to the field of agriculture and horticulture through his innovative work. With a total of six patents to his name, Usui has focused on developing effective solutions for pest control.

Latest Patents

Among his latest patents are the 4-quinolinol derivatives and fungicides containing these compounds as active ingredients. These innovations provide a new agricultural and horticultural fungicide that demonstrates an excellent control effect. The 4-quinolinol derivatives are represented by specific chemical formulas, including agriculturally and horticulturally acceptable acid addition salts.

Career Highlights

Yoshihiro Usui has had a distinguished career, working with prominent companies such as Mitsubishi Chemical Corporation and Meiji Seika Kaisha, Ltd. His experience in these organizations has allowed him to refine his expertise in developing agricultural solutions.

Collaborations

Throughout his career, Usui has collaborated with talented individuals, including Kazumi Yamamoto and Takeshi Teraoka. These partnerships have contributed to the advancement of his research and innovations.

Conclusion

Yoshihiro Usui's work in developing fungicides and agricultural solutions showcases his commitment to innovation in the field. His contributions have the potential to significantly impact agricultural practices and improve crop management.

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]
Loading…