Company Filing History:
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Years Active: 2014-2015
Title: Tomohisa Katou: Innovator in Silicon Carbide and Aluminum Nitride Technologies
Introduction
Tomohisa Katou is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the fields of materials science and engineering, particularly in the development of silicon carbide and aluminum nitride technologies. With a total of 2 patents, his work has implications for various industrial applications.
Latest Patents
Katou's latest patents include a silicon carbide powder designed for producing silicon carbide single crystals. This powder has an average particle diameter ranging from 100 µm to 700 µm and a specific surface area between 0.05 m/g and 0.30 m/g. Additionally, he has developed a method for producing this silicon carbide powder, which involves sintering a silicon carbide powder with an average particle diameter of 20 µm or less under specific conditions. The process occurs at a temperature between 1900°C and 2400°C in a non-oxidizing atmosphere, resulting in a sintered body with a density of 1.29 g/cm³ or more.
Another notable patent is for an apparatus designed for manufacturing aluminum nitride single crystals. This device includes a crucible that stores both an aluminum nitride raw material and a seed crystal. The crucible is constructed with an inner and outer layer, where the inner crucible is resistant to corrosion from sublimation gases. The outer crucible is made of boron nitride, providing additional protection and functionality.
Career Highlights
Throughout his career, Tomohisa Katou has worked with esteemed organizations such as the National Institute of Advanced Industrial Science and Technology and Denki Kagaku Kogyo Kabushiki Kaisha. His experience in these institutions has allowed him to refine his expertise and contribute to groundbreaking advancements in material sciences.
Collaborations
Katou has collaborated with notable colleagues, including Yusuke Takeda and Hiroshi Murata. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Tomohisa Katou's contributions to the fields of silicon carbide and aluminum nitride technologies highlight his role as a significant inventor. His patents reflect a commitment to advancing material science, which has the potential to impact various industries.