This inventor holds 2 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents. Top assignees: Asahi Kasei Pharma Corporation, Vernalis (R&D) Ltd. Active years: 2026.
Company Filing History:
2 out of 84 
2 out of 4 Years Active: 2026
Title: Koichiro Arai: Innovator in Medicinal Chemistry
Introduction
Koichiro Arai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of medicinal chemistry, particularly in the development of compounds with therapeutic potential. Although he currently holds no granted patents, his work continues to influence the industry.
Latest Patent Applications
Koichiro Arai's latest patent applications include:
1. **Pyrimidine- and Nitrogen-Containing Bicyclic Compound** - This compound is represented by the general formula (1) or a salt thereof, which exhibits superior IRAK-4 inhibitory activity. It is useful as an active ingredient in medicaments for the prophylactic and therapeutic treatment of diseases related to IRAK-4 inhibition.
2. **Macrocyclic Compound** - Similar to the previous application, this compound is also represented by the general formula (1) or a salt thereof, demonstrating superior IRAK-4 inhibitory activity and serving as an active ingredient in medicaments for the treatment of IRAK-4 related diseases.
Conclusion
Koichiro Arai's innovative work in medicinal chemistry showcases his dedication to developing new therapeutic compounds. His ongoing research and patent applications highlight his potential impact on the field.