Akio Masui

This inventor holds 6 USPTO granted patents. Top assignees: Nippon Kayaku Kabushiki Kaisha, Sankyo Company, Limited. Active years: 1987-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Masui. Retrieved from https://idiyas.com/inventor/akio-masui-807tcc5h

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 = 100.0

Average Co-Inventor Count = 5.2

ph-index = 3

Forward Citations = 119(Granted Patents)

Location History:

Ohmiya, JP (1988 - 1990)
Omiya, JP (1987 - 1996)

Company Filing History:

6 out of 799

Nippon Kayaku Kabushiki Kaisha

patents

2 out of 613

Sankyo Company, Limited

patents

where one patent can have more than one assignee

Years Active: 1987-1996

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5530021 - Hydrazine derivative and pesticidal composition comprising said (1996-06-25),

2. 5378726 - New hydrazine derivative and pesticidal composition comprising said (1995-01-03),

3. 4950679 - Alkanesulfonate derivatives and their use as insecticides, acaricides or (1990-08-21),

4. 4791127 - Alkanesulfonate derivatives and their use as insecticides, acaricides or (1988-12-13),

5. 4734436 - Benzoylphenylurea derivative and its use as an insecticide (1988-03-29),

6. 4652574 - Certain mono-, di- or tri-substituted pyridyl esters of alkane sulfonic (1987-03-24),

Title: Akio Masui: Innovator in Pesticidal Chemistry

Introduction

Akio Masui is a notable inventor based in Omiya, Japan, recognized for his contributions to the field of pesticidal chemistry. With a total of six patents to his name, Masui has made significant advancements in developing effective solutions for pest control.

Latest Patents

Masui's latest patents include a novel hydrazine derivative and a pesticidal composition that incorporates this derivative as the active ingredient. This hydrazine derivative demonstrates high pesticidal activity against harmful pests that have developed resistance to conventional pesticides, such as organophosphorus pesticides and pyrethroids. It is particularly effective against Lepidoptera pests, including Plutella xylostella, Spodoptera litura, Cnaphalocrocis medinalis, and Adoxophyes orana. The invention is designed to control harmful pests in various environments, including paddy fields, upland fields, orchards, and forests, while maintaining environmental hygiene.

Career Highlights

Throughout his career, Akio Masui has worked with prominent companies in the industry, including Nippon Kayaku Co., Ltd. and Sankyo Company, Limited. His experience in these organizations has contributed to his expertise in developing innovative pest control solutions.

Collaborations

Masui has collaborated with notable colleagues, including Tatsumi Hayaoka and Shoichi Kato, to further enhance his research and development efforts in the field of pesticides.

Conclusion

Akio Masui's work in developing effective hydrazine derivatives for pest control showcases his innovative spirit and dedication to addressing agricultural challenges. His contributions continue to impact the field of pesticidal chemistry positively.

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]