Company Filing History:
6 out of 499 
2 out of 614 
1 out of 2,347 Years Active: 1984-1997
Title: Innovations of Yuji Kawaragi
Introduction
Yuji Kawaragi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the area of olefin dimerization and hydroformylation processes. With a total of 9 patents to his name, Kawaragi's work has had a substantial impact on industrial applications.
Latest Patents
Kawaragi's latest patents include a method for dimerizing an olefin, which involves using a catalyst comprising a nickel compound, an organic aluminum compound, and a specific phosphite compound. This innovative method enhances the efficiency of olefin dimerization. Another significant patent is related to a hydroformylation process for preparing hydroformylated products by reacting olefinic compounds with hydrogen and carbon monoxide in the presence of a Group VIII metal catalyst. This process also utilizes a phosphite compound, showcasing Kawaragi's expertise in chemical reactions and catalyst development.
Career Highlights
Throughout his career, Yuji Kawaragi has worked with prominent companies such as Mitsubishi Kasei Corporation and Mitsubishi Chemical Industries Limited. His experience in these organizations has allowed him to develop and refine his innovative techniques in chemical processes.
Collaborations
Kawaragi has collaborated with notable colleagues, including Keiichi Sato and Masaki Takai. These partnerships have contributed to the advancement of his research and the successful implementation of his patented technologies.
Conclusion
Yuji Kawaragi's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a leading inventor. His innovative methods continue to influence the industry and pave the way for future advancements.