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For the Inventor, By the Inventor

Toyonaka, Japan

Hiroshi Sakaguchi

This inventor holds 7 USPTO granted patents and 2 EPO patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sakaguchi. Retrieved from https://idiyas.com/inventor/hiroshi-sakaguchi-66ru0vqg

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 57.1

 

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:

goldMedal7 out of 6,965 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 2002-2025

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7 patents (USPTO):Explore Patents
1. 12225904 - Phenylpyrazole compound and method for controlling plant disease (2025-02-18),
2. 8580836 - Plant disease control composition and method of controlling plant disease (2013-11-12),
3. 6762321 - Amide compounds and use thereof (2004-07-13),
4. 6762197 - Difluoromethyltriazolone compounds, use of the same and intermediates for the production thereof (2004-07-13),
5. 6635787 - Production method of a 2,6-dichlorophenol compound (2003-10-21),
6. 6590104 - Production method of an ether compound (2003-07-08),
7. 6489487 - Triazolone derivatives, use thereof, and intermediates therefor (2002-12-03),

Title: Hiroshi Sakaguchi: Innovator in Plant Disease Control

Introduction

Hiroshi Sakaguchi is a prominent inventor based in Toyonaka, Japan. He has made significant contributions to the field of plant disease control, holding a total of 7 patents. His innovative work focuses on developing effective methods and compositions for managing plant diseases.

Latest Patents

Sakaguchi's latest patents include a phenylpyrazole compound and a method for controlling plant disease. This invention provides a method for controlling a plant disease by applying a compound represented by a specific formula to a plant or soil, demonstrating excellent control efficacy against various plant diseases. Another notable patent is a plant disease control composition that comprises a carboxamide compound, which has an enantiomer ratio of R form/S form of 80/20 or more, showcasing remarkable plant disease controlling activity.

Career Highlights

Hiroshi Sakaguchi is currently associated with Sumitomo Chemical Company, Limited, where he continues to advance his research and development efforts in plant protection technologies. His work has been instrumental in enhancing agricultural practices and ensuring crop health.

Collaborations

Sakaguchi has collaborated with notable colleagues, including Akio Manabe and Yoshiharu Kinoshita, to further his research initiatives and drive innovation in the field of plant disease management.

Conclusion

Hiroshi Sakaguchi's contributions to plant disease control through his innovative patents and collaborative efforts highlight his importance in the agricultural sector. His work continues to impact the way plant diseases are managed, ensuring healthier crops and sustainable farming practices.

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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