Company Filing History:
4 out of 504 
1 out of 1 Years Active: 2007-2021
Title: The Innovative Mind of Ryuji Ishimoto
Introduction
Ryuji Ishimoto, an accomplished inventor based in Shunan, Japan, has made significant contributions in the fields of materials science and chemical engineering. With a total of four patents to his name, he is recognized for his innovative approaches to developing high-performance materials.
Latest Patents
Ishimoto's most recent patents highlight his expertise in advanced material formulations. One of his key inventions is a patent for hexagonal boron nitride powder and its production process. This innovative powder exhibits a maximum absorption peak within the range of 3,100 to 3,800 cm of the diffuse reflectance Fourier transform infrared spectrum, sitting between 3,530 to 3,590 cm. It stands out for its ability to provide high heat conductivity, dielectric strength, and enhanced peel strength in resin compositions. The production process involves a specific ratio of mixing an oxygen-containing boron compound, a carbon source with a precise sulfur concentration, and an oxygen-containing calcium compound, followed by reduction nitriding of the mixture.
Another notable patent by Ishimoto is for silica utilized in chemical mechanical polishing (CMP). This silica achieves a balance between reducing scratches during the polishing process and maintaining a high polishing rate. It fulfills several criteria, including a BET specific surface area of 40 m²/g to 180 m²/g, a particle density of at least 2.24 g/cm³, and a coefficient of variation in primary particle diameter of 0.40 or less.
Career Highlights
Throughout his career, Ryuji Ishimoto has worked with prominent organizations such as the Tokuyama Corporation and Sun-tox Co., Ltd. His experience in these companies has played a pivotal role in advancing his research and development initiatives. Ishimoto’s work is characterized by a deep understanding of material properties and their applications in various industries.
Collaborations
Collaborating with talented individuals has been integral to Ishimoto's success. Notable colleagues such as Yoji Inui and Naoto Mochizuki have worked alongside him, contributing to the innovative processes and products he has developed. Their combined expertise has fostered a creative environment that encourages groundbreaking inventions.
Conclusion
Ryuji Ishimoto exemplifies the spirit of innovation through his inventive contributions to materials science. His advancements in hexagonal boron nitride powders and silica for CMP emphasize the importance of interdisciplinary collaboration and technical expertise in driving progress. As he continues to push the boundaries of technology, Ishimoto remains a respected figure in the realm of inventions and patents.