IDiyas

For the Inventor, By the Inventor

Nishinomiya, Japan

Seizo Sumida

USPTO Granted Patents = 21

Average Co-Inventor Count = 4.5

ph-index = 7

Forward Citations = 109(Granted Patents)


Location History:

  • Hyogo, JP (1981 - 1984)
  • Nishinomiya, JP (1978 - 1987)

Company Filing History:

goldMedal21 out of 6,892 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1978-1987

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21 patents (USPTO):Explore Patents
1. 4690709 - Urea derivatives, and their use as herbicides (1987-09-01),
2. 4447260 - N-Substituted phenyl-1-methylcyclopropanecarboxamides, and their (1984-05-08),
3. 4437880 - N'-Phenyl-N-methylurea derivatives (1984-03-20),
4. 4427596 - N-[2-(Cyclopropyl) ethoxy] phenylanilide derivatives, and their (1984-01-24),
5. 4401459 - Herbicidal composition having enhanced herbicidal activity with high (1983-08-30),
6. 4399072 - N-Phenyl-N-methylurea derivatives (1983-08-16),
7. 4381935 - Oximecarbamate derivatives, and their production and use (1983-05-03),
8. 4378992 - Urea derivatives, and their production and use (1983-04-05),
9. 4361437 - 3-Thiooxo-5-oxo-hexahydro-1,2,4-triazine and its production and use (1982-11-30),
10. 4337082 - Herbicidal composition comprising triazinone compound (1982-06-29),
11. 4334912 - Urea derivatives, and their production and use (1982-06-15),
12. 4315768 - Oximecarbamate derivatives, and their production and use (1982-02-16),
13. 4309212 - Herbicidal compositions and methods employing urea derivatives (1982-01-05),
14. 4297129 - 3,5-Dioxo-1,2,4-triazines (1981-10-27),
15. 4280835 - Herbicidal N-phenyl-N-methylurea derivatives (1981-07-28),

Title: Innovations in Herbicides: The Contributions of Seizo Sumida

Introduction: Seizo Sumida, an esteemed inventor based in Nishinomiya, Japan, has made significant contributions to the field of agricultural chemistry. With a portfolio of 21 patents, Sumida's innovations focus on the development of effective herbicides that demonstrate both efficacy and safety in agricultural practices.

Latest Patents: Among his most recent patents are novel urea derivatives, specifically designed for use as herbicides. These compounds exhibit pronounced herbicidal activity against a variety of weeds, effectively supporting the cultivation of crop plants while minimizing toxicity to mammals and fish. His formulations include N'-phenyl-N-methylurea derivatives, featuring a complex structure that includes various substituents capable of enhancing their effectiveness against phytopathogenic fungi as well. Additionally, his work on N-substituted phenyl-1-methylcyclopropanecarboxamides showcases compounds with high selectivity for crops such as cotton, wheat, and rice, further cementing his role in advancing agricultural chemicals.

Career Highlights: Seizo Sumida has been a valuable member of the Sumitomo Chemical Company, Limited, where he has leveraged his expertise to push the boundaries of herbicide innovation. His advancements are vital in addressing global agricultural challenges, providing farmers with the tools necessary to maintain crop viability while reducing environmental impact.

Collaborations: Throughout his career, Sumida has worked alongside talented colleagues, including Ryo Yoshida and Katsuzo Kamoshita. These collaborations have fostered an environment of innovation, enhancing the development of new herbicidal solutions that benefit agriculture as a whole.

Conclusion: Seizo Sumida's dedication to innovation in herbicides has positioned him as a prominent figure in agricultural science. His contributions not only improve crop yields but also ensure safer practices in farming. As global demands for sustainable agriculture continue to rise, Sumida's work remains pivotal to the future of crop protection and environmental stewardship.

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