This is a personal website introducing my research activities. Please feel free to contact me on my email icone-mail address, or LinkedIn iconLinkedIn.

Short Bio

Dr. Yotaro Kubo received the B.E., M.E., and Dr.Eng. degrees from Waseda University, Tokyo, Japan, in 2007, 2008, and 2010, respectively. He was a visiting scientist at RWTH Aachen University for six monthes in 2010. After that period, he joined Nippon Telegraph and Telephone Corporation (NTT) and had been with NTT Communication Science Laboratories. From 2014 to 2019, he was with Amazon (at Aachen, Germany) and developed/ investigated speech recognition for voice search and personal assistants. Since 2019, he is a research scientist at Google (at Tokyo, Japan). His research interest includes generative/ discriminative hybrid modeling, kernel-based probabilistic models, and integration of probabilistic systems. He is a member of the IEEE, the International Speech Communication Association (ISCA), and the Acoustical Society of Japan (ASJ).

Research Interests


Refereed Journal Papers

Refereed Conference/ Workshop Papers


Tutorial Articles (in Japanese)


Domestic Workshop Papers (Not refereed; excerpt)

Academic Activities

Talks/ Lectures