The YKK50 Building Renovation, completed in 2006 in Kurobe, Toyama, represents a thoughtful intervention by architect Hiroshi Miyazaki of Plants Associates. This office renovation project demonstrates how existing structures can be revitalized through contemporary design principles while maintaining functional efficiency. Located at 200 Yoshida, the project exemplifies sustainable architectural practice by adapting an established building for modern corporate needs. The renovation showcases Miyazaki's approach to balancing preservation with innovation, making it a notable example of early 21st-century Japanese renovation architecture that respects both heritage and progress.