As technology blurs the boundaries between personal and professional lives, some pioneering companies in Japan are going against the grain by allowing employees to refuse work phone calls and emails on their days off.

As others grapple with ways of implementing work-style reforms, these firms are giving employees the "right to disconnect," a concept catching on as law in a number of European countries.

One particularly forward-looking company implementing the rule is Osaka-based software firm YRGLM Inc.