This inventor holds 5 USPTO granted patents. Top assignees: Mitsubishi Chemical Industries Limited, Mitsubishi Kasei Corporation. Active years: 1981-1990.
Location History:
- Machida, JP (1981)
- Kokubunji, JP (1988 - 1990)
Company Filing History:
4 out of 614 
1 out of 499 Years Active: 1981-1990
Title: Hiroki Ohta: Innovator in Herbicidal and Insecticidal Solutions
Introduction
Hiroki Ohta is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of agricultural chemistry, particularly in the development of herbicidal and insecticidal compounds. With a total of 5 patents to his name, Ohta's work has had a considerable impact on pest control solutions.
Latest Patents
Ohta's latest patents include a substituted phenyl (or pyridyl) urea compound and a herbicidal composition. This invention relates to a compound that serves as an active ingredient in herbicides, showcasing its potential in agricultural applications. The compound is characterized by a specific formula where A represents an alkylene group, B represents a nitrogen atom or CH, and R can be a hydrogen atom, a lower alkyl group, or a lower alkoxy group.
Another significant patent is for a thiadiazole derivative, which is represented by a specific formula. This derivative is designed to combat harmful insects and mites, particularly those that have developed resistance to conventional insecticides. The invention includes an insecticidal and miticidal composition that utilizes this derivative as an effective ingredient, demonstrating excellent control over resistant pests.
Career Highlights
Throughout his career, Hiroki Ohta has worked with prominent companies such as Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His experience in these organizations has contributed to his expertise in developing innovative chemical solutions for agriculture.
Collaborations
Ohta has collaborated with notable colleagues in his field, including Susumu Matsumoto and Seiichi Suzuki. These partnerships have likely enhanced his research and development efforts, leading to successful innovations.
Conclusion
Hiroki Ohta's contributions to the field of agricultural chemistry through his patents reflect his dedication to improving pest control methods. His innovative solutions continue to influence the industry and provide effective options for managing agricultural challenges.