This inventor holds 2 USPTO granted patents and 5 published patent applications. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Hiroki Sumi: Innovator in Chemical Production
Introduction
Hiroki Sumi is a notable inventor based in Okayama, Japan. He has made significant contributions to the field of chemical production, particularly through his innovative methods. His work has garnered attention for its potential applications in various industries.
Latest Patents
Hiroki Sumi holds a patent for a method of producing fluorenone. This method involves an oxidation step that oxidizes fluorene in the presence of an aliphatic carboxylic acid with 2 to 3 carbon atoms, a metal catalyst, a bromine compound, and oxygen. The process also includes a solvent removal step, a heating step at temperatures ranging from 120 to 350° C., and a distillation step, all conducted in the specified order. This patent highlights his expertise in chemical processes and innovation.
Career Highlights
Hiroki Sumi is associated with Mitsubishi Gas Chemical Company, Inc., where he applies his knowledge and skills in chemical engineering. His work at this company has allowed him to develop and refine his patented methods, contributing to advancements in the production of chemical compounds.
Collaborations
Hiroki collaborates with talented individuals such as Hideaki Fujita and Goh Nakamura. These partnerships enhance the innovative environment in which he works, fostering creativity and the development of new ideas.
Conclusion
Hiroki Sumi is a prominent figure in the field of chemical production, with a focus on innovative methods for producing fluorenone. His contributions through patents and collaborations reflect his commitment to advancing chemical engineering.