“I have never called myself a fashion designer,” says Issey Miyake. It sounds like a contradiction from someone who has been designing clothes for 40 years and who built Japan’s most famous fashion brand in the process. So what is he?

There's only a week left to see the Barbican's 30-year survey of Japanese fashion innovation, featuring design greats Issey Miyake, Rei Kawakubo and Yohji Yamamoto. Here's our review.