Graduated from Yokohama High School in 1968. After a few years working as animator at Mushi Production Animation, the company went bankrupt in 1972 and he joined Madhouse Studio. In the 70s he was promoted to animation director and finally debuted as film director in 1984's "SF New Century Lensman", jointly with the more experienced Kazuyuki Hirokawa (Kawajiri also did the character design along with Kazuo Tomizawa). His first film in solitaire (and doing also the animation direction) was "Wicked City" (1987), which confirms his mastery in filmmaking. That same year he began to work for the Original Video Animation market debuting with "The Phoenix". From 1987 he also wrote his own scripts.