Company Filing History:
8 out of 1,929 
1 out of 1 Years Active: 1983-2001
Title: Yasuo Irie: A Pioneer in Nucleic Acid Chemistry
Introduction
Yasuo Irie, a distinguished inventor based in Kawasaki, Japan, has made significant contributions to the field of nucleic acid chemistry. With a remarkable portfolio of 9 patents, Irie's work primarily focuses on the production and purification of nucleosides and their derivatives, showcasing his innovative approach to chemical processes and compounds.
Latest Patents
Among Yasuo Irie's notable patents are two processes for creating and purifying 2′,3′-dideoxynucleosides. The first patent details a method for converting uridines into 2′,3′-dideoxy-2′,3′-didehydrouridines through the reaction of acetic anhydride with a 2′,3′-O-alkoxymethylideneuridine intermediate. The second patent involves the production of stable crystals of N-(trans-4-isopropylcyclohexycarbonyl)-D-phenylalanine, achieved by treating the compound with a solvent at temperatures above 10 degrees Celsius. These crystals exhibit distinct melting points, infrared spectra, and X-ray diffraction patterns compared to previously known forms, enhancing their processability and stability.
Career Highlights
Yasuo Irie's career is marked by his tenure at Ajinomoto Co., Ltd. and Ajinomoto Co., Inc., within their Patent & Licensing Department. His innovative methodologies and in-depth understanding of chemical processes have earned him recognition in the scientific community, demonstrating his impact on the development of nucleic acid-related technologies.
Collaborations
Throughout his career, Irie has collaborated with notable professionals, including Naohiko Yasuda and Michito Sumikawa. These partnerships reflect a commitment to advancing research and development in the field, highlighting the importance of teamwork in scientific innovation.
Conclusion
Yasuo Irie stands out as a prominent inventor in nucleic acid chemistry. His extensive patent portfolio and contributions to the industry reflect his dedication to advancing scientific knowledge and technology. As he continues to innovate, his work promises to pave the way for future developments in the field.