Motoiochi Ohtsu was appointed a Research Associate, an Associate professor, a Professor at the Tokyo Institute of Technology. From 1986 to 1987, while on leave from the Tokyo Institute of Technology, he joined the Crawford Hill Laboratory, AT&T Bell Laboratories, Holmdel, NJ. In 2004, he moved to the University of Tokyo as a professor. He has been the leader of the "Photon Control" project (1993-1998), the Kanagawa Academy of Science and Technology, Kanagawa, Japan), the "Localized Photon" project (1998-2003: ERATO,JST, Japan), "Terabyte Optical Storage Technology" project (2002-2006): NEDO, Japan), and "Near field optical lithography system" project (2004-2006: Ministry of Education, Japan),. He is concurrently the leader of the "Nanophotonics" team (2003-2009: SORST, JST, Japan), "Innovative Nanophotonics Components Development" project (2006-present: NEDO, Japan), and "Nanophotonics Total Expansion: Industry University Cooperation and "Human ResourceDevelopment" project (2006-present: NEDO, Japan).
