- g r I | pJapanese Page The work of Syunji Mitsuyoshi, Japanese the most powerful sculptor, is well known in modern artircles, and MITSUYOSHI.Lab.Shunji Mitsuyoshi started his career as a sculptor in 1990. He created and presented his art works to the public while studying super-reinforced polymer concrete as a new molding material. He used the material to create art pieces and wrote and ...www.bekkoame.ne.jp/~choukoku