産業技術総合研究所
He worked for the Research Development Corporation of Japan from 1982 to 1987, studying ultra-fine particles, after which he joined NEC Corporation where he is still employed. He discovered carbon nanotubes in 1991. When he discovered carbon nanotubes, he not only took pictures of them but he put two together and explained what they really are. Afterwards, he was credited with the discovery. He is also a University Professor at Meijo University since 1999. Furthermore, he is the Honorary AIST Fellow of the National Institute of Advanced Industrial Science and Technology, Distinguished Invited University Professor of Nagoya University.