Background
Toshimasa Tsutsui was born in 1900 in Tokyo, Japan.
利正 筒井
Toshimasa Tsutsui was born in 1900 in Tokyo, Japan.
In 1926, Toshimasa Tsutsui graduated from Tokyo University.
After graduating from the university, Toshimasa joined the Physico-Chemical Research Institute as an assistant and became a research worker. Later he joined the engineering department of Tokyo University as a lecturer and rose to the position of professor in the same university. Toshimasa Tsutsui received a grant for his research work on "an acoustic method for detection of detects" and "physical changes due to vibration".