Location History:
- Kamakura, JA (1976 - 1977)
- Kamakura, JP (1981 - 1982)
Company Filing History:
Years Active: 1976-1982
Title: Takeo Harayama: Innovator in Herbicidal Compounds
Introduction
Takeo Harayama is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of herbicidal compounds, holding a total of 4 patents. His work focuses on developing effective herbicides that are safe for useful crops.
Latest Patents
Harayama's latest patents include innovative herbicidal compounds and compositions. One of his notable inventions is the nitrodiphenyl ether derivatives, which possess excellent herbicidal activity against a wide variety of undesirable weeds while maintaining extremely low toxicity to useful crops. This compound is represented by the general formula: ##STR1## wherein X represents chlorine, fluorine, methyl, or trifluoromethyl, and n is an integer of 1-3.
Another significant patent is also related to herbicidal diphenyl ether compounds, which share similar characteristics and benefits as the previous invention. These compounds are valuable in agricultural applications, providing effective weed control without harming beneficial plants.
Career Highlights
Takeo Harayama is associated with Mitsui Toatsu Chemicals, Incorporated, where he continues to innovate in the field of herbicides. His work has been instrumental in advancing agricultural chemistry and improving crop yields.
Collaborations
Harayama has collaborated with notable coworkers, including Takeo Yoshimoto and Masaaki Ura. Their combined expertise has contributed to the development of effective herbicidal solutions.
Conclusion
Takeo Harayama's contributions to herbicidal compounds demonstrate his commitment to innovation in agriculture. His patents reflect a dedication to creating effective solutions that benefit both farmers and the environment.