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For the Inventor, By the Inventor

Ageo, Japan

Tatsumi Hayaoka

This inventor holds 5 USPTO granted patents. Top assignee: Nippon Kayaku Kabushiki Kaisha. Active years: 1987-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsumi Hayaoka. Retrieved from https://idiyas.com/inventor/tatsumi-hayaoka

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Ageo, JP (1987 - 1990)
  • Tokyo, JP (1990)

Company Filing History:

goldMedal5 out of 801 
 
Nippon Kayaku Kabushiki Kaisha
 patents

Years Active: 1987-1990

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5 patents (USPTO):Explore Patents
1. 4950679 - Alkanesulfonate derivatives and their use as insecticides, acaricides or (1990-08-21),
2. 4931474 - Ether derivative and an acaricidal or insecticidal composition (1990-06-05),
3. 4791127 - Alkanesulfonate derivatives and their use as insecticides, acaricides or (1988-12-13),
4. 4734436 - Benzoylphenylurea derivative and its use as an insecticide (1988-03-29),
5. 4652574 - Certain mono-, di- or tri-substituted pyridyl esters of alkane sulfonic (1987-03-24),

Title: Innovations of Tatsumi Hayaoka

Introduction

Tatsumi Hayaoka is a notable inventor based in Ageo, Japan. He has made significant contributions to the field of chemistry, particularly in the development of insecticides and acaricides. With a total of five patents to his name, Hayaoka's work has had a considerable impact on agricultural practices.

Latest Patents

Hayaoka's latest patents include innovative compounds such as alkanesulfonate derivatives, which are utilized as insecticides and acaricides. One of his notable inventions is a compound characterized by a specific formula involving various aromatic rings, which can be substituted with multiple functional groups. Another significant patent is an ether derivative compound that showcases a complex structure with various substituents, enhancing its efficacy as an insecticidal or acaricidal composition.

Career Highlights

Hayaoka is currently associated with Nippon Kayaku Kabushiki Kaisha, a company renowned for its advancements in chemical products. His work at this organization has allowed him to focus on developing innovative solutions for pest control, contributing to the agricultural sector's sustainability.

Collaborations

Throughout his career, Hayaoka has collaborated with esteemed colleagues such as Shoichi Kato and Akio Masui. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the advancement of research in their field.

Conclusion

Tatsumi Hayaoka's contributions to the field of chemistry through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of pest control and agricultural 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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