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National awards for inventions by NTT

2017
Clarivate Analytics Top 100 Global Innovator 2016
2015
Thomson Reuters Top 100 Global Innovator 2015
2014
Thomson Reuters Top 100 Global Innovator 2014
2013
Thomson Reuters Top 100 Global Innovator 2013
2012
Thomson Reuters Top 100 Global Innovator 2012
Commissioner of Japan Patent Office Prize for "Efficient mapping and time division multiplexing for large capacity optical transport networks"
2011
Thomson Reuters Top 100 Global Innovator 2011
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"

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