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For the Inventor, By the Inventor

Iwata, Japan

Takashi Yumita

This inventor holds 9 USPTO granted patents. Top assignees: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd., Kumiai Chemical Industrial Co. Ltd.. Active years: 1988-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Yumita. Retrieved from https://idiyas.com/inventor/takashi-yumita

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 7.2

ph-index = 5

Forward Citations = 58(Granted Patents)


Location History:

  • Hamamatsu, JP (1988 - 1989)
  • Iwata, JP (1994 - 1995)
  • Shizuoka, JP (1995 - 1996)
  • Iwata-gun, JP (1997)

Company Filing History:

goldMedal9 out of 211 
 
Ihara Chemical Industry Co., Ltd.
 patents
silverMedal7 out of 216 
 
Kumiai Chemical Industry Co., Ltd.
 patents
bronzeMedal2 out of 2 
 
Kumiai Chemical Industrial Co. Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-1997

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9 patents (USPTO):Explore Patents
1. 5700824 - Triazole derivatives, insecticide, acaricide and methods thereof (1997-12-23),
2. 5616594 - Triazole derivatives, insecticide, acaricide and methods thereof (1997-04-01),
3. 5482951 - Triazole derivatives as well as insecticide and acaricide (1996-01-09),
4. 5466705 - Triazole derivatives pest controlling agent and pest control method (1995-11-14),
5. 5380944 - Benzhydrazone derivatives as an intermediate for the production of (1995-01-10),
6. 5318959 - Triazole derivatives as well as insecticide and acaricide (1994-06-07),
7. 5284860 - Triazole derivatives and insecticides (1994-02-08),
8. 4871751 - 1,2,6-Triphenyl-4(1H)-pyridinone derivatives, and their use as fungicides (1989-10-03),
9. 4757081 - 1,2,6-triphenyl-4(1H)-pyridinone derivatives, and uses as fungicidal (1988-07-12),

Title: Takashi Yumita: Innovator in Agricultural Chemistry

Introduction

Takashi Yumita is a prominent inventor based in Iwata, Japan, known for his significant contributions to agricultural chemistry. With a total of 9 patents to his name, Yumita has focused on developing innovative solutions to combat harmful pests in agriculture.

Latest Patents

One of his latest patents involves triazole derivatives, which serve as insecticides and acaricides. This invention provides a triazole derivative represented by a general formula, where specific groups and integers define its chemical structure. The triazole derivatives exhibit excellent effectiveness against harmful pests, particularly aphids and mites, making them valuable in pest management.

Career Highlights

Throughout his career, Yumita has worked with notable companies in the chemical industry, including Ihara Chemical Industry Co., Ltd. and Kumiai Chemical Industry Co., Ltd. His work has significantly impacted the development of effective pest control solutions.

Collaborations

Yumita has collaborated with esteemed colleagues such as Masami Ozaki and Atsuhiko Ikeda, contributing to advancements in agricultural chemistry.

Conclusion

Takashi Yumita's innovative work in developing triazole derivatives highlights his commitment to improving agricultural practices. His contributions continue to influence pest management strategies 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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