Keiji Ishizuka

Semiconductor device with isolating groove containing single crystalline aluminum wiring

Coding/decoding apparatus and coding/decoding method

Semiconductor light emitting element driver circuit

Image signal correcting in image data processing requiring only small memory capacity

Coding method and apparatus therefor

Differential phase shift keying demodulator

Circuit device having a test function for checking circuit operation

Device separation structure and semiconductor device improved in wiring structure

Method of making a semiconductor device with buried electrode

Arithmetic encoding with carry over processing