This inventor holds 2 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Denka Company Limited, National Institute for Materials Science. Active years: 2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 387 
2 out of 575 
Years Active: 2018
Title: Fumihiro Kurokawa: Innovator in Boron Nitride Fine Particles
Introduction
Fumihiro Kurokawa is a notable inventor based in Omuta, Japan. He has made significant contributions to the field of materials science, particularly in the development of boron nitride fine particles. With a total of 2 patents, Kurokawa's work has implications for various applications, including thermoconductive fillers.
Latest Patents
Kurokawa's latest patents include innovative methods for producing spherical boron nitride fine particles. The first patent describes a spherical boron nitride fine particle that is highly thermoconductive, with an average particle diameter ranging from 0.01 to 1.0 µm. This particle boasts a boron nitride purity of 98.0% by mass or greater and an average circularity of 0.80 or greater. The production method involves reacting ammonia with an alkoxide borate in an inert gas stream at high temperatures, followed by heat treatment in an ammonia atmosphere.
The second patent focuses on boron nitride fine particles characterized by a low major diameter/thickness ratio, high purity, and high crystallinity. These particles have an average diameter of 0.05 to 2.0 µm and a total oxygen content of 0.20% by mass or less. The production method includes heating a boron nitride precursor in an inert gas atmosphere at elevated temperatures to achieve the desired properties.
Career Highlights
Kurokawa has worked with prominent organizations, including Denka Company Limited and the National Institute for Materials Science. His experience in these institutions has allowed him to refine his expertise in materials science and contribute to significant advancements in the field.
Collaborations
Some of Kurokawa's notable coworkers include Seitaro Kobayashi and Takashi Kawasaki. Their collaborative efforts have likely contributed to the innovative research and development of boron nitride materials.
Conclusion
Fumihiro Kurokawa's work in the field of boron nitride fine particles showcases his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to developing high-quality materials with practical applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile