Shuhei Tada, Ryota Yamagata, Yoshihide Kiryu and Yuki Koike completed their qualifying heat in 38.16 seconds.
Several Japanese sprinters will be looking to make their mark in the showpiece event.
"I feel a great responsibility being appointed captain of the Japanese delegation to the Olympics held in our own nation.”
Japan, the defending Olympic men's gymnastics team champion, will compete at the Tokyo Games with four Olympic debutantes, Daiki Hashimoto, Kazuma Kaya, Wataru Tanigawa and Takeru...