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Years Active: 1998-2019
Title: Norio Murase: Innovator in Fluorescent Nanoparticle Technology
Introduction
Norio Murase is a prominent inventor based in Ikeda, Japan. He has made significant contributions to the field of semiconductor nanoparticles and their applications in fluorescent technology. With a total of 7 patents to his name, Murase's work has advanced the understanding and utilization of fluorescent materials.
Latest Patents
One of Murase's latest patents involves the creation of fluorescent particles with semiconductor nanoparticles dispersed within them, fabricated through the sol-gel process. The objective of this invention is to produce fine particles that exhibit high durability and brightness, with semiconductor nanoparticles assembled effectively. The invention details fluorescent fine particles that comprise Cd- and Se-containing semiconductor nanoparticles dispersed in silicon-containing fine particles, with an average particle size ranging from 20 to 100 nm. Additionally, the number of semiconductor nanoparticles dispersed in these silicon-containing fine particles is 10 or more.
Another notable patent focuses on semiconductor-nanoparticle-dispersed small silica glass particles. These particles emit bright fluorescent light with a high fluorescence quantum yield and density, surpassing conventional semiconductor-nanoparticle-dispersed small glass particles. The invention also emphasizes the excellent stability of fluorescence intensity over time. The silica glass particles have a mean particle size of not less than 10 nanometers and not more than 5 micrometers, containing a hydrolyzed alkoxide and semiconductor nanoparticles at a concentration of not less than 2×10 mol/l and not more than 1×10 mol/l. These particles are capable of emitting fluorescent light with a quantum yield of 25% or more, and even 60% or more when dispersed in a solution.
Career Highlights
Throughout his career, Norio Murase has worked with esteemed organizations such as the National Institute of Advanced Industrial Science and Technology and the Director General Agency of Industrial Science and Technology. His contributions to these institutions have been instrumental in advancing research and development in the field of industrial science.
Collaborations
Murase has collaborated with notable colleagues, including Masanori Ando and Chunliang Li. These partnerships have fostered innovation and have led to significant advancements in their respective fields.
Conclusion
Norio Murase's work in the development of fluorescent nanoparticles has positioned him as a key figure in the field of semiconductor technology. His