Company Filing History:
3 out of 215 
3 out of 211 Years Active: 1989-1990
Title: Masahiro Shigematsu: Innovator in Herbicidal Chemistry
Introduction
Masahiro Shigematsu is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of herbicidal chemistry, holding a total of 3 patents. His work focuses on the development of novel chemical compounds that have practical applications in agriculture.
Latest Patents
Shigematsu's latest patents include innovative formulations such as pyrimidine derivatives and picolinic acid derivatives. The pyrimidine derivative patent describes a compound where each of R¹ and R² can be an alkyl group, or they can form a ring with the adjacent carbon atom. The picolinic acid derivative patent outlines a compound with various substituents, including hydrogen, alkyl groups, and halogen atoms, which can be utilized in herbicidal compositions.
Career Highlights
Throughout his career, Masahiro Shigematsu has worked with prominent companies in the chemical industry, including Kumiai Chemical Industry Co., Ltd. and Ihara Chemical Industry Co., Ltd. His expertise in herbicidal chemistry has positioned him as a valuable asset in these organizations.
Collaborations
Shigematsu has collaborated with notable colleagues such as Shoji Kusano and Takeshige Miyazawa. These partnerships have contributed to the advancement of his research and the successful development of his patented inventions.
Conclusion
Masahiro Shigematsu's contributions to herbicidal chemistry through his innovative patents highlight his role as a significant inventor in this field. His work continues to influence agricultural practices and chemical formulations.