This inventor holds 5 USPTO granted patents. Top assignees: Kureha Kagaku Kogyo Kabushiki Kaisha, Kureha Chemical Industry Company, Limited. Active years: 1979-1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 776 
2 out of 128 
Years Active: 1979-1990
Title: Ryuichi Kurita: Innovator in Ceramic Materials
Introduction
Ryuichi Kurita is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of ceramic materials, particularly through his innovative patents. With a total of 5 patents to his name, Kurita has established himself as a key figure in materials science.
Latest Patents
Among his latest patents is the development of a mullite-alumina composite sintered body. This innovative material is composed of 75 wt % to 85 wt % Al₂O₃, with the balance being SiO₂. It consists of two crystalline phases, mullite and α-phase alumina, and is free from glass phase. The average diameters of both mullite grains and α-phase alumina grains are not more than 1.0 μm, ensuring high structural integrity. The sintered body exhibits a porosity of 1% or less and boasts a bending strength exceeding 500 MPa at room temperature. Another significant patent involves alumina-zirconia ceramic powders, which comprise 10% to 25% by weight of zirconium oxide and 75% to 90% by weight of aluminum oxide. These powders have an average particle size of no more than 1,000 angstroms and a two-phase structure, with zirconium oxide dispersed in aluminum oxide.
Career Highlights
Ryuichi Kurita has worked with prominent companies such as Kureha Kagaku Kogyo Kabushiki Kaisha and Kureha Chemical Industry Company, Limited. His experience in these organizations has allowed him to refine his expertise in ceramic materials and contribute to various innovative projects.
Collaborations
Throughout his career, Kurita has collaborated with notable colleagues, including Tatsuhiko Noguchi and Saburo Hori. These partnerships have fostered a collaborative environment that has led to advancements in the field of ceramics.
Conclusion
Ryuichi Kurita's contributions to ceramic materials through his patents and collaborations highlight his innovative spirit and dedication to advancing materials science. His work continues to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile