This inventor holds 2 USPTO granted patents and 3 published patent applications and 3 EPO patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2012-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ehime, JP (2012)
- Niihama, JP (2016)
Company Filing History:
Years Active: 2012-2016
Title: Innovator Spotlight: Norifumi Azuma from Niihama, Japan
Introduction: Norifumi Azuma, an accomplished inventor based in Niihama, Japan, has made significant contributions to the field of materials science. With a focus on aluminum hydroxide and its applications, he holds two patents that reflect his innovative spirit and dedication to advancing technology.
Latest Patents: Azuma's latest patents include innovations that enhance the production and properties of aluminum hydroxide powder. His first patent describes a method for producing an aluminum hydroxide powder characterized by a predetermined cumulative pore volume, ideally suited for generating high purity alumina. This innovation allows the creation of aluminum hydroxide powder with high bulk density and efficient firing properties, ensuring excellent shape retention.
Additionally, his second patent focuses on α-alumina powder, achieving an impressive purity of at least 99.99% by weight. This powder boasts a specific surface area ranging from 0.1 to 2.0 m/g, a relative density between 55% to 90%, and a closed porosity of 4% or less. The precise particle size distribution detailed in this patent enables the production of sapphire with minimal voids, allowing for enhanced performance in various applications.
Career Highlights: Norifumi Azuma is currently employed at Sumitomo Chemical Company, Limited, where he actively engages in research and development to push the boundaries of material science. His innovative work has garnered attention within the industry, establishing him as a notable figure in the field.
Collaborations: Throughout his career, Azuma has collaborated with talented colleagues, including Ayumi Hyojo and Kensen Okusako. These partnerships have facilitated valuable exchanges of ideas and expertise, contributing to the success of their collective projects and innovations.
Conclusion: Norifumi Azuma's inventive contributions have played a crucial role in advancing the production of high-quality aluminum compounds. His patents not only reflect his technical proficiency but also his commitment to innovation in materials science. With a bright future ahead, Azuma continues to inspire aspiring inventors and researchers in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile