Hidenori Hayakawa

This inventor holds 14 USPTO granted patents, primarily in Herbicide Development. Top assignees: Nihon Bayer Agrochem, K.k., Nihon Tokushu Noyaku Seizo K.k.. Active years: 1986-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidenori Hayakawa. Retrieved from https://idiyas.com/inventor/hidenori-hayakawa

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

Calculating rank

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 5

Forward Citations = 65(Granted Patents)

Location History:

Musashino, JP (1986)
Kanagawa, JP (1988 - 1989)
Sagamihara, JP (1989)
Oyama, JP (1992 - 1994)
Tochigi, JP (1994 - 1995)

Company Filing History:

9 out of 98

Nihon Bayer Agrochem, K.k.

patents

5 out of 112

Nihon Tokushu Noyaku Seizo K.k.

patents

Years Active: 1986-1995

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Areas of Expertise:

Tetrazolinones

Herbicides

Benzoxazines

Paddy

Pyrimidinylthioalkane

Acetanilide

Cyclohexen-1-ones

Benzothiazolyl

Dihydropyrroles

Dialkylmaleimides

Phenyl Compounds

14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5466660 - Tetrazolinones as herbicides for use in paddy (1995-11-14),

2. 5347010 - Tetrzolinone herbicides (1994-09-13),

3. 5347009 - Herbicidal 1-(3-halo-4-trifluoromethylphenyl) tetrazolinones (1994-09-13),

4. 5346880 - Herbicidally active pyrimidinylthioalkane derivatives (1994-09-13),

5. 5344814 - Herbidical 1-(3,4-disubstituted phenyl) tetrazolinones (1994-09-06),

6. 5342954 - Herbicidal 1-(3-halo-4-substituted phenyl)tetrazolinones (1994-08-30),

7. 5342938 - Benzoxazine intermediates (1994-08-30),

8. 5296454 - Acetanilide herbicides (1994-03-22),

9. 5207818 - Herbicidally active benzoxazines (1993-05-04),

10. 5158600 - Herbicidal 3-hydroxy-2-cyclohexen-1-ones (1992-10-27),

11. 4836844 - Novel N-benzothiazolyl-2,5-dihydropyrroles (1989-06-06),

12. 4804394 - Benzoxazines and use as herbicides (1989-02-14),

13. 4729784 - 1-(1,4-benzoxazin-3-on-6-yl)-dialkylmaleimides and use as herbicides (1988-03-08),

14. 4623377 - 1,2,3,4-tetrahydroquinolin-1-ylcarbonylimidazoles and herbicidal use (1986-11-18),

Title: Hidenori Hayakawa: Innovator in Herbicide Development

Introduction

Hidenori Hayakawa is a prominent inventor based in Tochigi, Japan. He has made significant contributions to the field of agrochemicals, particularly in the development of herbicides. With a total of 14 patents to his name, Hayakawa's work has had a substantial impact on agricultural practices.

Latest Patents

Among his latest patents are innovative formulations that address the challenges of unwanted plant growth. One notable patent is for tetrazolinones as herbicides for use in paddy fields. This invention includes compositions comprising herbicidal tetrazolinones, where specific chemical structures are defined to enhance efficacy. Another significant patent involves herbicidally active pyrimidinylthioalkane derivatives. This invention relates to novel derivatives that can effectively combat unwanted plant growth, showcasing Hayakawa's commitment to advancing agricultural technology.

Career Highlights

Throughout his career, Hidenori Hayakawa has worked with leading companies in the agrochemical industry. Notably, he has been associated with Nihon Bayer Agrochem K.K. and Nihon Tokushu Noyaku Seizo K.K. His work in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of herbicide technology.

Collaborations

Hayakawa has collaborated with esteemed colleagues in his field, including Toshio Goto and Akihiko Yanagi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of groundbreaking solutions in agrochemicals.

Conclusion

Hidenori Hayakawa's contributions to herbicide development have established him as a key figure in the agrochemical industry. His innovative patents and collaborations reflect his dedication to improving agricultural practices. His work continues to influence the field, paving the way for future advancements in herbicide technology.

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]