Company Filing History:
Years Active: 1992-2000
Title: The Innovative Contributions of Takeshi Nagaoka
Introduction
Takeshi Nagaoka is a prominent inventor based in Funabashi, Japan. He has made significant contributions to the field of chemistry, particularly in the development of herbicidal compositions. With a total of 10 patents to his name, Nagaoka's work has had a considerable impact on agricultural science.
Latest Patents
One of Nagaoka's latest patents involves a pyrazole derivative and herbicidal composition. This pyrazole derivative is represented by the general formula (1a) or (1b), where R¹ can be a hydrogen atom or a pesticidally acceptable protecting group. R² and R³ can represent a phenyl, 1-naphthyl, or 2-naphthyl group, or a 5-6 membered heterocyclic ring. Additionally, R⁴ can be a hydrogen or halogen atom, or an alkyl, alkoxy, or alkylthio group. The herbicidal composition containing this pyrazole derivative showcases Nagaoka's innovative approach to pest control.
Career Highlights
Takeshi Nagaoka has built a successful career at Nissan Chemical Industries Limited, where he has been able to apply his expertise in chemistry to develop new products. His work has not only advanced the company's research initiatives but has also contributed to the broader field of
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