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For the Inventor, By the Inventor

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

USPTO Granted Patents = 6

% 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:

goldMedal3 out of 2,423 
 
Mitsubishi Chemical Corporation
 patents
silverMedal2 out of 382 
 
Meiji Seika Kaisha, Ltd.
 patents
bronzeMedal2 out of 48 
 
Rhone Poulenc Agriculture Limited
 patents
where one patent can have more than one assignee

Years Active: 1996-2006

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6 patents (USPTO):Explore Patents
1. 7067668 - 4-quinolinol derivatives and fungicides containing the same as an active ingredient used for agriculture and horticulture (2006-06-27),
2. 6680282 - 4-Quinolinol derivatives and agrohorticultural bactericides containing the same as active ingredient (2004-01-20),
3. 6046135 - 1,3-oxazin-4-one derivatives as herbicides (2000-04-04),
4. 6028032 - 1,3-oxazin-4-one derivatives as herbicides (2000-02-22),
5. 5977025 - 1,3-oxazin-4-one derivative, herbicide containing same, and intermediate (1999-11-02),
6. 5527818 - Sulfamoyltriazole derivatives of fungicidal composition containing same (1996-06-18),

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]
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