This inventor holds 2 USPTO granted patents. Top assignees: Sankyo Company, Limited, Ube Industries, Inc.. Active years: 1980-1982.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 613 
2 out of 1,432 
Years Active: 1980-1982
Title: Ryuji Kobayashi: Agricultural Fungicide Patents
Introduction
Ryuji Kobayashi is an inventor associated with Ube, Japan. His patent work includes agricultural fungicides based on 4-aminoquinazoline derivatives. He is credited with 2 patents.
Latest Patents
Kobayashi’s listed patents concern 4-aminoquinazoline compounds and their use in agricultural fungicides.
- **4-Aminoquinazoline Compounds Useful as Agricultural Fungicides.** This invention describes agricultural fungicidal compositions containing one or more 4-aminoquinazoline derivatives as active ingredients. The amino group may have substituents such as phenoxyalkylene, and the quinazoline nucleus may be substituted at the 2- and/or 6-positions.
- **Agricultural Fungicidal Method.** This patent describes using agricultural fungicidal compositions containing one or more 4-aminoquinazoline derivatives. The compounds may feature a substituted amino group and substitutions at the 2- and/or 6-positions of the quinazoline nucleus.
Career Highlights
Kobayashi’s listed company affiliations include Sankyo Company, Limited, and Ube Industries, Inc. His patent work reflects an emphasis on chemical compounds and methods for agricultural disease control.
Collaborations
Kobayashi’s listed coworkers include Kazuto Nakagami and Shigeki Nagai.
Conclusion
Ryuji Kobayashi’s patent record highlights his contributions to agricultural fungicides, particularly compositions and methods based on 4-aminoquinazoline derivatives.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile