Company Filing History:
2 out of 19,733 
1 out of 82 
Years Active: 2008-2009
Title: Koji Onouchi: Innovator in Aluminum and Copper Brazing Technologies
Introduction
Koji Onouchi, a notable inventor hailing from Gamagori, Japan, has made significant contributions to the field of material processing, particularly involving aluminum and copper alloys. With two patents to his name, Onouchi has focused his innovations on enhancing brazing techniques and flux application methods.
Latest Patents
Onouchi's latest patents include a method for forming a flux layer on an aluminum plate member and a novel brazing method for bonding copper components. The first patent aims to simplify the treatment process by eliminating the heating step typically required for drying after spray-coating a flux composition. This innovative approach results in the formation of a flux layer composed of solid constituents ranging from 5 to 25 g/m² on aluminum plates, maintaining an optimal temperature range of 120 to 180°C during the process.
His second patent outlines an efficient brazing method for integrally bonding two members made of copper or copper alloys. This method involves the application of a paste brazing material comprised of copper, tin, nickel, and phosphorus to ensure smooth flow across the contact area. This innovation effectively removes oxide layers from the base material, allowing for enhanced bonding in a reducing atmosphere furnace operating at temperatures between 600°C and 800°C.
Career Highlights
Onouchi has worked with prominent organizations such as Denso Corporation and Harima Chemicals, Incorporated. His experience in these companies has provided him with a robust foundation in material science and an understanding of industrial applications for his inventions.
Collaborations
During his career, Koji Onouchi has collaborated with talented individuals such as Hiroki Tarui and Masafumi Takahashi. These partnerships have likely contributed to the refinement and success of his innovative projects.
Conclusion
Koji Onouchi stands out as a remarkable inventor dedicated to advancing brazing techniques and improving processes related to aluminum and copper materials. His patents reflect a commitment to innovation and efficiency, impacting the manufacturing sector positively. As he continues to explore new avenues for development, Onouchi's contributions will undoubtedly influence future trends in materials engineering.