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Kazuyuki Matsumura
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Time synchronization system, management device, time synchronizatio...
Patent number
11,927,923
Issue date
Mar 12, 2024
Nippon Telegraph and Telephone Corporation
Takaaki Hisashima
G01 - MEASURING TESTING
Information
Patent Grant
Clock frequency monitoring device and clock frequency monitoring me...
Patent number
11,815,552
Issue date
Nov 14, 2023
Nippon Telegraph and Telephone Corporation
Takaaki Hisashima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Time path selection device and time path selection method
Patent number
11,240,141
Issue date
Feb 1, 2022
Nippon Telegraph and Telephone Corporation
Ryuta Sugiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transceiver
Patent number
11,206,086
Issue date
Dec 21, 2021
Nippon Telegraph and Telephone Corporation
Toshiya Matsuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time synchronization system and time synchronization method
Patent number
11,196,535
Issue date
Dec 7, 2021
Nippon Telegraph and Telephone Corporation
Hiroki Sakuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time synchronization device and time synchronization method
Patent number
11,196,499
Issue date
Dec 7, 2021
Nippon Telegraph and Telephone Corporation
Kaoru Arai
G04 - HOROLOGY
Information
Patent Grant
Time synchronization system and time synchronization method
Patent number
11,196,533
Issue date
Dec 7, 2021
Nippon Telegraph and Telephone Corporation
Hiroki Sakuma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Microplate mounting stand, and analyte testing/observing apparatus...
Patent number
8,137,643
Issue date
Mar 20, 2012
Hirata Corporation
Kazuyuki Matsumura
G01 - MEASURING TESTING
Information
Patent Grant
Solution temperature control device in cell observation chamber
Patent number
8,017,383
Issue date
Sep 13, 2011
Hirata Corporation
Kouichi Noguchi
G02 - OPTICS
Information
Patent Grant
Cell observation chamber
Patent number
7,521,227
Issue date
Apr 21, 2009
Hirata Corporation
Kazuyuki Matsumura
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Work conveying system and traveling path sealing structure in the w...
Patent number
6,832,680
Issue date
Dec 21, 2004
Hirata Corporation
Kazuyuki Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Work conveying system and traveling path sealing structure in the w...
Patent number
6,766,895
Issue date
Jul 27, 2004
Hirata Corporation
Kazuyuki Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Work conveying system
Patent number
6,702,099
Issue date
Mar 9, 2004
Hirata Corporation
Tetsunori Otaguro
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
TIME SYNCHRONIZATION SYSTEM AND TIME SYNCHRONIZATION METHOD
Publication number
20210314134
Publication date
Oct 7, 2021
Nippon Telegraph and Telephone Corporation
Hiroki SAKUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CLOCK FREQUENCY MONITORING DEVICE AND CLOCK FREQUENCY MONITORING ME...
Publication number
20210302499
Publication date
Sep 30, 2021
Takaaki HISASHIMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL TRANSCEIVER
Publication number
20210143911
Publication date
May 13, 2021
Nippon Telegraph and Telephone Corporation
Toshiya Matsuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TIME SYNCHRONIZATION SYSTEM, MANAGEMENT DEVICE, TIME SYNCHRONIZATIO...
Publication number
20210072707
Publication date
Mar 11, 2021
Nippon Telegraph and Telephone Corporation
Takaaki Hisashima
G01 - MEASURING TESTING
Information
Patent Application
TIME SYNCHRONIZATION SYSTEM AND TIME SYNCHRONIZATION METHOD
Publication number
20210058223
Publication date
Feb 25, 2021
Nippon Telegraph and Telephone Corporation
Hiroki SAKUMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TIME SYNCHRONIZATION DEVICE AND TIME SYNCHRONIZATION METHOD
Publication number
20210021362
Publication date
Jan 21, 2021
Nippon Telegraph and Telephone Corporation
Kaoru ARAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Time Path Selection Device and Time Path Selection Method
Publication number
20200403901
Publication date
Dec 24, 2020
Nippon Telegraph and Telephone Corporation
Ryuta SUGIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device amd method for teaching work delivery position to robot
Publication number
20100222923
Publication date
Sep 2, 2010
Hirata Corporation
Kazuyuki Matsumura
G05 - CONTROLLING REGULATING
Information
Patent Application
Microplate Mounting Stand, and Analyte Testing/Observing Apparatus...
Publication number
20100054993
Publication date
Mar 4, 2010
Hirata Corporation
Kazuyuki Matsumura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Solution temperature control device in cell observation chamber
Publication number
20070145159
Publication date
Jun 28, 2007
Hirata Corporation
Kouichi Noguchi
G02 - OPTICS
Information
Patent Application
Cell observation chamber
Publication number
20070065950
Publication date
Mar 22, 2007
Hirata Corporation
Kazuyuki Matsumura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Work conveying system and traveling path sealing structure in the w...
Publication number
20030106776
Publication date
Jun 12, 2003
HIRATA CORPORATION
Kazuyuki Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Work conveying system
Publication number
20030079957
Publication date
May 1, 2003
Tetsunori Otaguro
H01 - BASIC ELECTRIC ELEMENTS