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Tatsuya Tomaru
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Hatoyama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Quantum computer and quantum state controlling method in quantum co...
Patent number
11,989,623
Issue date
May 21, 2024
Hitachi, Ltd.
Tatsuya Tomaru
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Network system interface for controlling confidential information
Patent number
11,451,524
Issue date
Sep 20, 2022
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer and computing program
Patent number
10,318,607
Issue date
Jun 11, 2019
Hitachi, Ltd.
Tatsuya Tomaru
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High-security communication system, and transmitter and receiver bo...
Patent number
10,305,681
Issue date
May 28, 2019
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Discrete computation computer and computation program
Patent number
9,952,830
Issue date
Apr 24, 2018
Hitachi, Ltd.
Tatsuya Tomaru
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor device capable of attaining ground state in an ising...
Patent number
9,633,715
Issue date
Apr 25, 2017
Hitachi, Ltd.
Chihiro Yoshimura
G11 - INFORMATION STORAGE
Information
Patent Grant
Encrypted communication system, transmitter and receiver using same
Patent number
8,934,633
Issue date
Jan 13, 2015
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptographic communication system
Patent number
8,582,770
Issue date
Nov 12, 2013
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitting and receiving system
Patent number
8,121,489
Issue date
Feb 21, 2012
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transponder for secure optical communications and optical q...
Patent number
7,865,086
Issue date
Jan 4, 2011
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Antisqueezed light generator
Patent number
7,756,385
Issue date
Jul 13, 2010
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure optical communication system
Patent number
7,738,793
Issue date
Jun 15, 2010
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptographic-key-generation communication system
Patent number
7,596,322
Issue date
Sep 29, 2009
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quantum optical transmission device
Patent number
7,539,422
Issue date
May 26, 2009
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quantum optical transmission device and quantum optical generator d...
Patent number
7,457,548
Issue date
Nov 25, 2008
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical waveguides and optical devices with optical waveguides
Patent number
6,931,189
Issue date
Aug 16, 2005
Hitachi, Ltd.
Youngkun Lee
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Photonic crystal and photonic-crystal waveguide
Patent number
6,879,766
Issue date
Apr 12, 2005
Hitachi, Ltd.
Tatsuya Tomaru
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Solid-state laser compensated for pumping-light astigmatism
Patent number
6,778,579
Issue date
Aug 17, 2004
Hitachi, Ltd.
Tatsuya Tomaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Solid-state laser and optical transmitter
Patent number
6,754,248
Issue date
Jun 22, 2004
Hitachi, Ltd.
Tatsuya Tomaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical interferometer and signal synthesizer using the interferometer
Patent number
6,587,278
Issue date
Jul 1, 2003
Hitachi, Ltd.
Susumu Ogawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solid-state laser and optical transmitter
Patent number
6,560,267
Issue date
May 6, 2003
Hitachi, Ltd.
Tatsuya Tomaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Solid-state laser compensated for pumping-light astigmatism
Patent number
6,389,053
Issue date
May 14, 2002
Hitachi, Ltd.
Tatsuya Tomaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compact solid-state laser and transmitter using the same
Patent number
6,307,872
Issue date
Oct 23, 2001
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Compact solid-state laser and transmitter using the same
Patent number
6,229,835
Issue date
May 8, 2001
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical interferometer and signal synthesizer using the interferometer
Patent number
6,091,495
Issue date
Jul 18, 2000
Hitachi, Ltd.
Susumu Ogawa
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
QUANTUM COMPUTER AND QUANTUM STATE CONTROLLING METHOD IN QUANTUM CO...
Publication number
20220398481
Publication date
Dec 15, 2022
Hitachi, Ltd
Tatsuya TOMARU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SILICON ELECTRON SPIN TYPE MASSIVELY PARALLEL QUANTUM COMPUTER
Publication number
20210326738
Publication date
Oct 21, 2021
Hitachi, Ltd
Yusuke Kanno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MACHINE LEARNING DEVICE AND MACHINE LEARNING METHOD
Publication number
20210064994
Publication date
Mar 4, 2021
Hitachi, Ltd
Tatsuya TOMARU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NETWORK SYSTEM
Publication number
20200169542
Publication date
May 28, 2020
Hitachi, Ltd
Tatsuya TOMARU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMPUTING APPARATUS AND COMPUTING METHOD
Publication number
20190121834
Publication date
Apr 25, 2019
Hitachi, Ltd
Tatsuya TOMARU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER
Publication number
20180373995
Publication date
Dec 27, 2018
Hitachi, Ltd
Tatsuya Tomaru
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer and Computing Program
Publication number
20180089144
Publication date
Mar 29, 2018
Hitachi, Ltd
Tatsuya TOMARU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER AND COMPUTATION PROGRAM
Publication number
20160328208
Publication date
Nov 10, 2016
Hitachi, Ltd
Tatsuya TOMARU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20160118106
Publication date
Apr 28, 2016
Hitachi, Ltd
CHIHIRO YOSHIMURA
G11 - INFORMATION STORAGE
Information
Patent Application
High-Security Communication System, and Transmitter and Receiver Bo...
Publication number
20160112189
Publication date
Apr 21, 2016
Hitachi, Ltd
Tatsuya TOMARU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENCRYPTED COMMUNICATION SYSTEM, TRANSMITTER AND RECEIVER USING SAME
Publication number
20120314867
Publication date
Dec 13, 2012
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CRYPTOGRAPHIC COMMUNICATION SYSTEM
Publication number
20110311050
Publication date
Dec 22, 2011
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTING AND RECEIVING SYSTEM
Publication number
20090052905
Publication date
Feb 26, 2009
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transponder for secure optical communications and optical q...
Publication number
20080085121
Publication date
Apr 10, 2008
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Equipment for optical communications
Publication number
20080031637
Publication date
Feb 7, 2008
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Antisqueezed Light Generator
Publication number
20070297810
Publication date
Dec 27, 2007
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cryptographic-key-generation communication system
Publication number
20060280509
Publication date
Dec 14, 2006
Hitachi, Ltd.
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Quantum optical transmission device and quantum optical generator d...
Publication number
20060153573
Publication date
Jul 13, 2006
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Quantum optical transmission device
Publication number
20050281561
Publication date
Dec 22, 2005
Tatsuya Tomaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Solid-state laser and optical transmitter
Publication number
20030210730
Publication date
Nov 13, 2003
Tatsuya Tomaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical waveguides and optical devices with optical waveguides
Publication number
20030202764
Publication date
Oct 30, 2003
Youngkun Lee
G02 - OPTICS
Information
Patent Application
Photonic crystal and photonic-crystal waveguide
Publication number
20030174993
Publication date
Sep 18, 2003
Tatsuya Tomaru
G02 - OPTICS
Information
Patent Application
Solid-state laser compensated for pumping-light astigmatism
Publication number
20020114371
Publication date
Aug 22, 2002
Hitachi, Ltd.
Tatsuya Tomaru
H01 - BASIC ELECTRIC ELEMENTS