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Toshio Hasegawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Quantum communication apparatus, quantum communication system and q...
Patent number
8,270,841
Issue date
Sep 18, 2012
Mitsubishi Electric Corporation
Tsuyoshi Nishioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quantum cryptographic communication apparatus
Patent number
7,894,604
Issue date
Feb 22, 2011
Mitsubishi Electric Corporation
Tsuyoshi Nishioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptographic communication apparatus
Patent number
7,649,996
Issue date
Jan 19, 2010
Mitsubishi Denki Kabushiki Kaisha
Tsuyoshi Nishioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase modulator and phase modulating method
Patent number
6,778,314
Issue date
Aug 17, 2004
Mitsubishi Denki Kabushiki Kaisha
Toshio Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
QUANTUM COMMUNICATION APPARATUS, QUANTUM COMMUNICATION SYSTEM AND Q...
Publication number
20100226659
Publication date
Sep 9, 2010
Mitsubishi Electric Corporation
Tsuyoshi Nishioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Photon Detecting Device and Optical Communication System
Publication number
20080144823
Publication date
Jun 19, 2008
Mitsubishi Denki Kabushiki Kaisha
Jun'ichi Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data Conversion Apparatus, Data Conversion Method, and Data Convers...
Publication number
20070297684
Publication date
Dec 27, 2007
Mitsubishi Electric Corporation
Hirokazu Ishizuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Quantum cryptographic communication apparatus
Publication number
20070182968
Publication date
Aug 9, 2007
Tsuyoshi Nishioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Crytographic communication apparatus
Publication number
20050157875
Publication date
Jul 21, 2005
Tsuyoshi Nishioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal transmitter and optical signal transmitting method
Publication number
20040005056
Publication date
Jan 8, 2004
Tsuyoshi Nishioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Phase modulator and phase modulating method
Publication number
20030184840
Publication date
Oct 2, 2003
Toshio Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE