The phrase Three Sacred Treasures of Japan (三種の神器) is also used in the context of durable goods, such as robotic vacuum cleaner, washing machine, and dishwasher.
The phrase Three Sacred Treasures (三種の神器) is also used in the context of durable goods. In 2017, a news article by Jiji Press named the new Three Sacred Treasures as robotic vacuum cleaner, washing machine, and dishwasher.