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For the Inventor, By the Inventor

Shiga, Japan

Toyokuni Honma

This inventor holds 5 USPTO granted patents. Top assignee: Sankyo Company, Limited. Active years: 1977-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyokuni Honma. Retrieved from https://idiyas.com/inventor/toyokuni-honma

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Nozu, JA (1977)
  • Shiga, JP (1984 - 1995)
  • Shiga-ken, JP (1998)

Company Filing History:

goldMedal5 out of 613 
 
Sankyo Company, Limited
 patents

Years Active: 1977-1998

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5 patents (USPTO):Explore Patents
1. 5736487 - Aniline derivatives having herbicidal activity, their preparation and (1998-04-07),
2. 5424279 - Pyrazole derivatives having herbicidal activity and their use (1995-06-13),
3. 4460597 - Herbicidal 5-aminoalkoxy-4-benzoyl-1,3-dimethyl-pyrazole derivatives (1984-07-17),
4. 4060402 - Isoxazolone derivatives, their preparation and their use as plant growth (1977-11-29),
5. 4044018 - Isoxazolone derivatives, their preparation and their use as plant growth (1977-08-23),

Title: Toyokuni Honma: Innovator in Herbicidal Chemistry

Introduction

Toyokuni Honma is a distinguished inventor based in Shiga, Japan. He has made significant contributions to the field of herbicidal chemistry, holding a total of five patents. His work focuses on developing innovative compounds that exhibit herbicidal activity, which are particularly beneficial in agricultural applications.

Latest Patents

Honma's latest patents include aniline derivatives that possess herbicidal activity. These compounds are characterized by a complex formula that allows for various substitutions, making them versatile in their application. Another notable patent involves pyrazole derivatives, which are also designed for herbicidal use. These compounds are specifically formulated to be harmless to rice plants, making them ideal for treating paddy fields.

Career Highlights

Throughout his career, Toyokuni Honma has been associated with Sankyo Company, Limited, where he has furthered his research and development efforts. His innovative approach to herbicide formulation has positioned him as a key figure in the agricultural chemistry sector.

Collaborations

Honma has collaborated with notable coworkers such as Kazuo Tomita and Tadashi Murakami. Their combined expertise has contributed to the advancement of herbicidal technologies.

Conclusion

Toyokuni Honma's work in herbicidal chemistry exemplifies the impact of innovation in agriculture. His patents reflect a commitment to developing effective and safe solutions for modern 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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