Maciej Sieradzki, the lead developer at Robots of London, explained that the east Asian country has already embraced the technology in a way that Europe has yet to do.
Sieradzki explained: "There is a different attitude towards robots in Japan. They're an accepted part of everyday life."
And Sieradzki has hailed Peppper, the sophisticated robotic companion, for its life-like features.
The expert told Stylist magazine: "People do try to hug him.
"And one time a drunk woman at a trade fair kissed him. He had lipstick marks all over his face."
Meanwhile, it was recently announced that a Japanese space company have secured $90 million to put the first adverts on the moon.
The team at ispace hope to put a spacecraft into the orbit of the moon in the next two years, and when it touches down, there will be a chance for investors to have a small advert projected onto it with the earth as a backdrop.
Takeshi Hakamada, chief executive officer of ispace, said at a press event in Tokyo: "Human beings aren't heading to the stars to become poor.
"That's why it's crucial to create an economy in outer space ... With this funding, ispace will begin the development of lunar lander to establish a flexible and regular lunar transportation system, and lead the exploration and development of lunar surface through micro-robotic systems."