YKK Group and YKK AP Philosophy

It is YKK AP's mission to inherit the spirit of the "Cycle of Goodness" advocated by Tadao Yoshida, the founder of YKK, and to provide healthy and comfortable living through architectural products including "windows".

YKK Philosophy


No one prospers without rendering benefit to others.

Management Principle

"YKK Seeks Corporate Value of Higher Significance"

Seeking corporate value of higher significance, YKK will pursue innovative quality in the seven key areas.


"We Build a Better Society Through Architectural Products"

With a spirit of curiosity and exploration,
we develop architectural products of true value that connect people, planet, and the future.
We want to create a better society, while remaining committed to the art and technology
that have always been fundamental to architectural culture.