High Quality Content by WIKIPEDIA articles! Tokyo Institute of Technology ( T ky K gy Daigaku ), usually called Tokodai ( T k dai ) or Tokyo Tech, is the largest institution of higher learning in Japan dedicated to science and technology. Tokyo Institute of Technology is recognized as a leading university, especially in natural science and engineering field. The university was ranked 31st worldwide according to Global University ranking and the 61st in overall performance (4th best Japanese University), the 21st in technology, and the 57th in natural science among the world's best universities in 2008, according to the TIMES-QS World University Rankings.