Looking for Japanese Artists (plastic arts)

Hi!
People I need your help!
I need to find contemporary artists e-mail addresses, otherwise my boss wil fire me....lol
Is there any specialised web for contemporary Japanese artists?
Do you guys know any Japanese artist who wants to do an exposition in Spain?
If so, please help me!!!!
Thanks a lot to those who help me and to those who tried!

You already know him, Takashi Murakami. He is one the greatest contemporary J artists in the world now, I suppose.

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