Koichi Murazumi

Title: Koichi Murazumi: Innovator in Optical Isomer Separation

Introduction

Koichi Murazumi is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of optical isomer separation, holding a total of 9 patents. His work focuses on developing efficient methods for separating optical isomers, which are crucial in various chemical and pharmaceutical applications.

Latest Patents

Murazumi's latest patents include a filler used for separating optical isomers and a process for separating optical isomers with the filler. The objectives of this invention are to provide a filler capable of efficiently carrying out optical resolution of optical isomer mixtures. This invention also offers a process for separating optical isomers by simulated moving bed chromatography utilizing the filler. The filler is made of a carrier supporting a specific amount of an optically active high molecular weight compound. The separation process is conducted under conditions where the capacity factors have specific values.

Another significant patent involves the method of separating optically active dihydroxy-heptenoic acid esters. This method allows for the separation of an optically active dihydroxyheptenoic acid ester having an aromatic group from a solution containing a mixture of optical isomers. The separation is achieved through liquid chromatography using a packing material made of a carrier and a polysaccharide derivative. The polysaccharide derivative is modified to enhance the separation of optically active dihydroxyheptenoic acid esters more distinctly.

Career Highlights

Throughout his career, Koichi Murazumi has worked with prominent companies such as Daicel Chemical Industries and Nissan Chemical Industries. His experience in these organizations has contributed to his expertise in the field of chemical engineering and patent development.

Collaborations

Murazumi has collaborated with notable coworkers, including Atsushi Onishi and Kozo Tachibana. These collaborations have likely enriched his research and development efforts in optical isomer separation.

Conclusion

Koichi Murazumi's innovative work in the field of optical isomer separation has led to significant advancements, as evidenced by his numerous patents. His contributions continue to impact the chemical and pharmaceutical industries positively.