Company Filing History:
2 out of 47 
1 out of 13 
1 out of 36,546 
Years Active: 1998-2024
Title: Innovations of Yoshikazu Hirose
Introduction
Yoshikazu Hirose is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of alumina-based composite oxides. With a total of four patents to his name, his work showcases innovative approaches to enhancing material properties.
Latest Patents
Hirose's latest patents focus on an alumina-based composite oxide and its production method. This composite oxide is characterized by a large initial specific surface area and a small initial mean pore size, which provides excellent heat resistance. Specifically, the alumina-based composite oxide features an initial crystallite diameter of 10 nm or less and an initial specific surface area of 80 m/ml or more. After calcination at 1200° C. for three hours in air, the specific surface area remains above 10 m/ml. The initial mean pore size ranges from 10 nm to 50 nm, and the pore volume retention rate after calcination is 10% or more.
Career Highlights
Throughout his career, Yoshikazu Hirose has worked with prominent companies such as Daiichi Kigenso Kagaku Kogyo Co., Ltd. and Sumitomo Dow Limited. His experience in these organizations has contributed to his expertise in material development and innovation.
Collaborations
Hirose has collaborated with notable colleagues, including Hiroyuki Hayashida and Naoyoshi Kawamoto. These partnerships have likely fostered a creative environment for advancing their research and development efforts.
Conclusion
Yoshikazu Hirose's contributions to the field of materials science, particularly through his patents on alumina-based composite oxides, highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future innovations.