Location History:
- Toyama, JP (2003)
- Matsuyama, JP (2003 - 2017)
Company Filing History:
3 out of 107 
2 out of 353 
2 out of 832,718 Years Active: 2003-2017
Title: Innovations of Hirofumi Nakamura
Introduction
Hirofumi Nakamura is a notable inventor based in Matsuyama, Japan. He has made significant contributions to the field of environmental technology, particularly in the area of dioxin fractionation and chlorinated organic compound collection. With a total of 5 patents to his name, Nakamura's work reflects a commitment to addressing critical environmental issues.
Latest Patents
One of Nakamura's latest patents is a method for fractionating dioxins. This innovative approach involves a fractionating tool that is packed with a purification layer and an adsorption layer. The adsorption layer consists of a first layer that includes an activated carbon-containing silica gel layer and a graphite-containing silica gel layer, along with a second layer that includes an alumina layer. When a solution of dioxins is injected into the purification layer and supplied with an aliphatic hydrocarbon solvent, the solvent dissolves the dioxins and allows for their separation. This process effectively adsorbs non-ortho PCBs, PCDDs, and PCDFs to the first layer, while mono-ortho PCBs are adsorbed to the second layer, resulting in a successful fractionation of dioxins.
Another significant patent is a filter designed for collecting chlorinated organic compounds. This collecting filter is capable of capturing various chlorinated organic compounds in both particulate and gaseous forms contained in a fluid. It features a fluid-permeable molded body that contains fibers and an inorganic binder, along with a hydrophobic material that enhances its effectiveness. This innovative filter allows for the simultaneous capture and easy extraction of chlorinated organic compounds, including dioxins.
Career Highlights
Throughout his career, Hirofumi Nakamura has worked with several companies, including Miura Co., Ltd. His experience in the industry has allowed him to develop and refine his innovative technologies, contributing to advancements in environmental protection.
Collaborations
Nakamura has collaborated with notable individuals in his field, including Katsuhisa Honda and Noriaki Hamada. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Hirofumi Nakamura's contributions to environmental technology through his patents demonstrate his dedication to innovation and sustainability. His work in fractionating dioxins and collecting chlorinated organic compounds highlights the