Location History:
- Ashiya, JP (1990)
- Kitakyushu, JP (2011 - 2013)
- Fukuoka, JP (1992 - 2017)
Company Filing History:
10 out of 74 
2 out of 2,333 
1 out of 46 Years Active: 1990-2025
Title: Innovations of Katsumi Morikawa
Introduction
Katsumi Morikawa is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of refractory materials, holding a total of 13 patents. His work focuses on enhancing the performance and durability of refractory products used in various industrial applications.
Latest Patents
One of Morikawa's latest patents is a refractory product that is not impregnated with pitch or similar substances. This innovative product exhibits higher corrosion-erosion resistance and thermal shock resistance compared to traditional refractory products. The physical properties of this refractory product, after heat treatment in a non-oxidizing atmosphere at 1200° C, reveal an apparent porosity of 7% or less, with a total void volume of pores having a diameter of 1 μm or less constituting 80% or more of the integrated void volume. Additionally, the gas permeability is measured at 50×10 or less.
Another significant patent involves a refractory material that contains at least 40 mass % of MgO and a free carbon component ranging from 4 to 30 mass %. This material also includes one or more of boron oxide, phosphorus oxide, silicon oxide, and titanium oxide, totaling 0.3 to 3 mass %. The innovative design features a void layer at the interface between a carbon-containing matrix and the maximum-size MgO-containing particles, enhancing the material's overall performance.
Career Highlights
Throughout his career, Katsumi Morikawa has worked with prominent companies such as Krosakiharima Corporation and Hitachi Metals, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in refractory technology.
Collaborations
Morikawa has collaborated with notable coworkers, including Joki Yoshitomi and Akinari Sasaki. Their combined expertise has contributed to the advancement of refractory materials and technologies.
Conclusion
Katsumi Morikawa's contributions to the field of refractory materials are significant and impactful. His innovative patents and collaborations highlight his dedication to enhancing industrial applications through advanced materials.