Toshihiko Yamamoto, Deceased

Title: **Remembering Toshihiko Yamamoto: A Pioneer in Insecticidal Innovation**

Introduction

Toshihiko Yamamoto, a talented inventor from Kusatsu, Japan, made significant contributions to the field of agricultural chemistry. Despite his passing, his legacy lives on through his innovative approach to insecticide development. He is best known for his unique compound, which has proven effective in combating injurious insects while maintaining a high level of safety for agricultural, forestry, and hygiene applications.

Latest Patents

Yamamoto's most notable patent is titled "N-Benzoyl-N'-pyridyloxy phenyl urea and insecticidal compositions thereof." This patent details a novel compound represented by the formula ##STR1##, which includes various halogen atoms and methyl groups. With its powerful insecticidal properties, the compound serves as an active ingredient, effectively targeting harmful insects without compromising safety standards.

Career Highlights

Throughout his career, Yamamoto worked as an inventor at Ishihara Sangyo Kaisha, Ltd., where he exhibited a commitment to innovative agricultural solutions. His research and development efforts significantly advanced the effectiveness and safety of insecticides used in various environments.

Collaborations

Yamamoto collaborated with esteemed colleagues, including Ryuzo Nishiyama and Kanichi Fujikawa. Together, they contributed to important advancements in pest control technologies that have shaped the industry.

Conclusion

In summary, Toshihiko Yamamoto's inventive spirit and dedication to creating safer and more effective insecticides remain influential. His groundbreaking work has not only impacted the agricultural sector but also ensured a healthier environment for all. The legacy he left behind serves as an inspiration for future innovators in the field.