The IBM-compatible line and SE selling that seized the domestic lead (1974)

The light that following brought — and the fragility behind it

The heart of this decision was that Fujitsu did not challenge the world’s giant head-on with technology of its own, but attacked from the flank — with compatibility and service. Rather than shoulder the burden of building an architecture from scratch, it rode the ecosystem IBM had cultivated to conserve its strength, and then set itself apart through human support. That posture, sidestepping the frontal approach, can be read as a highly rational bet for a latecomer among domestic makers seeking to overtake the world’s largest firm. In particular, the systems-engineer sales culture that Daisuke Kobayashi made his main force planted early the idea of earning by solving customers’ problems rather than by the machine itself — and it became the wellspring of the systems-integration business that would later be Fujitsu’s backbone.

Yet the choice of compatibility carried, as its fate, the fragility of the follower. So long as IBM held the ground they both stood on, the moment the giant turned its wheel from mainframes toward downsizing, Fujitsu’s own footing would shake. And so it did: entering the 1990s, the large mainframes that had earned much of its revenue began to wobble, becoming a distant cause of the enormous losses of the early 2000s. The opening that riding along afforded, and the fragility that riding along could not escape, were two sides of one coin. Even so, the 1980 achievement — outdoing the world’s giant in its own home market amid the rough seas of capital liberalization — remains instructive as one answer a latecomer can give when it takes on an overwhelming opponent with limited resources.