Contents

2012

Commissioner of Japan Patent Office Prize for "Efficient mapping and time division multiplexing for large capacity optical transport networks"

2008

Invention Prize for "1-chip MPEG-2 HDTV CODEC LSI"

2003

Commissioner of Japan Patent Office Prize for "ITU-T 8 bit/s speech coding standard G.729"

2001

Chairman of Japan Institute of Invention and Innovation Prize for "EA modulator integrated DFB Laser for optical communications"

2000

Minister of International Trade and Industry Invention Prize for "Integrated optical separating mixed light signals in dense wavelength division ultiplexing transmission systems"

1998

The Imperial Invention Prize for "Method of mobile radio communications"

1997

Minister of International Trade and Industry Invention Prize for "Fast data enciphering method"

1995

Invention Prize for "Multi-transmitter sequential-casting technology for mobile telephone"

1993

Commissioner of Japan Patent Office Prize for "Multi-stage shaping A-to-D and D-to-A converters (MASH)"

1992

Invention Prize for "Method of forming pattern using radiation-sensitive polymer"

1991

Invention Prize for "Speech synthesizing method by composite sinusoidal wave"

1990

Prime Minister Invention Prize for "Ultra high speed Si bipolar IC technology"