Toshitsugu Takekuma

Source-clock-synchronized memory system and memory unit

Bus system, printed circuit board, signal transmission line, series circuit and memory module

Synchronous data transfer system

Fast transmission line implemented with receiver, driver, terminator and IC arrangements

Simultaneous bidirectional transmission circuit

Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission

Signal transmitting device suitable for fast signal transmission including an arrangement to reduce signal amplitude in a second stage transmission line

Special mode control method for dynamic random access memory

Disk array system using detachable memory medium

Method of making mask pattern data and process for manufacturing the mask