Over on his blog, Chris Butcher has posted a 1995 interview with the Blue Spring and TekkonKinkreet author:
TAKITA: Did you pick the setting for TEKKON KINKREET as the near-future because you had action comics in mind for this particular work?
MATSUMOTO: It would have been more effective to see a boy running down a building wall in animation, I couldn’t achieve the effect I had envisioned in a single drawing.
TAKITA: Even though it’s a single drawing, your expression of movement is so rich. You use techniques like abbreviating dialogue and very specific framing and composition in TEKKON KINKREET, did you do that all on instinct?
MATSUMOTO: If I try to write all of the dialogue, the story would be too long. Even when I read other people’s comics, I’m inclined to skip some of lines of dialogue. So I abbreviate it as much as possible in my work.
Butcher also has a valuable and comprehensive bibliography of the artist’s work over at the link.