Hiroyasu Shinkawa

This inventor holds 21 USPTO granted patents, primarily in Herbicidal Compositions. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1983-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyasu Shinkawa. Retrieved from https://idiyas.com/inventor/hiroyasu-shinkawa

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

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 5.9

ph-index = 4

Forward Citations = 51(Granted Patents)

Company Filing History:

21 out of 776

Kureha Kagaku Kogyo Kabushiki Kaisha

patents

Years Active: 1983-1992

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Areas of Expertise:

Herbicidal

Triazole Derivatives

Tetrahydrobenzothiazole

Phenylhydrazone

Dihydrotriazole

Oxamide

Carbamoyl

Compositions

Weed Growth Inhibition

Chemical Derivatives

Carboxamide

Salts

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5162583 - Benzylether derivatives (1992-11-10),

2. 5130475 - Derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide, herbicidal (1992-07-14),

3. 5094684 - Derivative of 1,5-diphenyl-1H-1,2-triazole-3-carboxamide, herbicidal (1992-03-10),

4. 4983209 - 4,5-dihydro-1H-1,2,4-triazole-3-carboxamide derivatives and herbicidal (1991-01-08),

5. 4973353 - 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide derivatives and herbicidal (1990-11-27),

6. 4968345 - Phenylhydrazone derivative of oxamide and herbicidal composition (1990-11-06),

7. 4919707 - Derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide and (1990-04-24),

8. 4902805 - Derivatives of dihydrotriazole, and herbicidal compositions containing (1990-02-20),

9. 4897106 - Derivative of 4,5-dihydro-1H-1,2,4-triazole-3-carboxamide, and (1990-01-30),

10. 4820334 - 1,2,4-triazole-3-carboxamide compound and a herbicidal composition (1989-04-11),

11. 4795484 - Herbicidal composition containing a derivative of 1,2,4-triazole as an (1989-01-03),

12. 4690704 - Derivatives of tetrahydrobenzothiazole and herbicidal compositions (1987-09-01),

13. 4650515 - Derivative of tetrahydrobenzothiazole and herbicidal composition (1987-03-17),

14. 4624697 - Derivatives of tetrahydrobenzothiazole and herbicidal compositions (1986-11-25),

15. 4577029 - Derivative of tetrahydrobenzothiazole and herbicidal composition (1986-03-18),

Title: Innovations by Hiroyasu Shinkawa: Contributions to Herbicidal Chemistry

Introduction

Hiroyasu Shinkawa, a talented inventor based in Iwaki, Japan, is known for his significant contributions to the field of chemistry, particularly in the innovation of herbicidal compounds. With a total of 21 patents to his name, his work has bolstered advancements in agricultural chemistry and pest management solutions.

Latest Patents

Shinkawa's recent patents include groundbreaking discoveries in benzyl ether derivatives, focusing on their utility as intermediate compounds in the synthesis of herbicidal agents. One of his noted inventions involves benzyl ether derivatives represented by a sophisticated chemical formula, which serves as a crucial building block for the derivatives of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide. These compounds are tailored for various applications, particularly in herbicide formulations, enhancing plant protection strategies.

Another notable patent features a derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide, which includes specific alkyl and fluorine substitutions to optimize its herbicidal properties. This innovation not only presents a new approach to managing unwanted vegetation but also showcases Shinkawa's expertise in developing effective agricultural solutions.

Career Highlights

Throughout his career, Hiroyasu Shinkawa has made a remarkable impact in the field of innovation at Kureha Kagaku Kogyo Kabushiki Kaisha, a leading company in chemical manufacturing. His ability to blend theoretical knowledge with practical applications has led to the successful commercialization of several herbicidal compositions that have been recognized for their efficiency and effectiveness in agricultural practices.

Collaborations

Shinkawa's innovative journey is enriched by his collaborations with esteemed colleagues such as Takafumi Shida and Shiro Yamazaki. Working alongside these talented professionals has enabled him to combine different perspectives and expertise, fostering an environment of creativity and productivity. Together, they have contributed to vital advancements in chemical research and development.

Conclusion

Hiroyasu Shinkawa's extensive patent portfolio and collaborative spirit exemplify the dynamic nature of innovation in the chemical industry. His commitment to creating effective herbicidal agents continues to influence agricultural practices, ensuring that his inventions remain at the forefront of pest management solutions. As a recognized inventor, Shinkawa plays a crucial role in shaping the future of agricultural chemistry.

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]