1. Hitachi, Ltd. (5 from 42,485 patents)

2. Other (2 from 832,680 patents)

3. Hitachi Ulsi Engineering Corp. (1 from 87 patents)

1. 6748507 - Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memory

2. 6735683 - Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elements

3. 6591294 - Processing system with microcomputers each operable in master and slave modes using configurable bus access control terminals and bus use priority signals

4. 6279063 - Microcomputer system with at least first and second microcomputers each operable in master and slave modes with configurable bus access control terminals and bus use priority controller

5. 6223265 - Single-chip microcomputer synchronously controlling external synchronous memory responsive to memory clock signal and clock enable signal

6. 6212620 - Single-chip microcomputer operable in master and slave modes and having configurable bus control terminals

7. 5930523 - Microcomputer having multiple bus structure coupling CPU to other