Company Filing History:
5 out of 6,892 
3 out of 1,001 
1 out of 1 Years Active: 1996-2001
Title: Innovations of Yujiro Kiyoshima
Introduction
Yujiro Kiyoshima is a notable inventor based in Oita, Japan. He has made significant contributions to the field of chemistry, holding a total of six patents. His work focuses on the development of methods for producing and purifying various chemical compounds.
Latest Patents
One of his latest patents is a method for producing hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid. This patent discloses a process for producing this specific compound, which has potential applications in various chemical industries. Another significant patent involves a method for purifying O,S-dimethyl N-acetylphosphoramidothioate. This method is characterized by recrystallization using a two-phase solvent system, which includes water and an organic solvent. The process aims to enhance the purity of the compound, making it more suitable for practical applications.
Career Highlights
Throughout his career, Yujiro Kiyoshima has worked with prominent companies such as Sumitomo Chemical Company, Limited and Shionogi & Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Yujiro has collaborated with notable coworkers, including Katuhisa Masumoto and Akihiko Nakamura. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Yujiro Kiyoshima's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and pave the way for future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.