Location History:
- Tsukuba, JP (1998 - 2000)
- Ibaraki, JP (2000 - 2002)
- Hyogo, JP (2004)
Company Filing History:
3 out of 1,165 
2 out of 940 
1 out of 832,880 Years Active: 1998-2004
Title: Innovations of Yoshiyuki Murai
Introduction
Yoshiyuki Murai is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of pharmaceuticals, particularly through his innovative work on benzimidazole compounds. With a total of six patents to his name, Murai's inventions have the potential to impact medical treatments significantly.
Latest Patents
One of Yoshiyuki Murai's latest patents involves the crystal forms of 3-(2,4-dichlorobenzyl)-2-methyl-N-(pentylsulfonyl)-3H-benzimidazole-5-carboxamide. This compound exhibits hypoglycemic activity and has a PDE5 inhibitory effect. The patent describes three distinguishable crystal forms based on their X-ray powder diffraction values. The most crystallographically stable form is particularly useful as a drug substance for medicines. Another form can be efficiently purified through crystallization, as it forms larger crystals that can be easily isolated by filtration. This characteristic makes it advantageous for the purification of the compound.
Career Highlights
Throughout his career, Yoshiyuki Murai has worked with prominent companies in the pharmaceutical industry, including Daicel Chemical Industries, Ltd. and Fujisawa Pharmaceutical Company, Ltd. His work has been instrumental in advancing the development of new medicinal compounds.
Collaborations
Murai has collaborated with several professionals in his field, including Masahiro Nishikawa and Noritsugu Yamasaki. These collaborations have contributed to the success of his innovative projects.
Conclusion
Yoshiyuki Murai's contributions to the field of pharmaceuticals through his patents and collaborations highlight his role as a significant inventor. His work continues to pave the way for advancements in medical treatments.