Matsushita Electric Industrial Co., Ltd.

Toshiro Furusawa

Tamotsu Nishiyama

Noriko Matsumoto

In a data processor such as a CAD system for LSI design, a hierarchical structure of a plurality of objects each having a circuit data is represented in a relation between a window on a menu screen and a plurality of figure blocks on the window. One of the plural figure blocks on the window is represented in a different window so as to represent a multi-hierarchical structure of the objects, and a block figure group is arranged on the different window. A user selects, using a mouse, an object to be processed on a menu screen representing a floor plan.

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Osaka, Japan

Toshiro Furusawa