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Kunihiko Sasakura
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mirror device, mirror array, optical switch, mirror device manufact...
Patent number
8,634,121
Issue date
Jan 21, 2014
Nippon Telegraph and Telephone Corporation
Fusao Shimokawa
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Mirror device, mirror array, optical switch, mirror device manufact...
Patent number
8,582,189
Issue date
Nov 12, 2013
Nippon Telegraph and Telephone Corporation
Fusao Shimokawa
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Mirror device, mirror array, optical switch, mirror device manufact...
Patent number
8,462,410
Issue date
Jun 11, 2013
Nippon Telegraph and Telephone Corporation
Fusao Shimokawa
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Optical switch, optical switch control method and communication system
Patent number
8,149,490
Issue date
Apr 3, 2012
Nippon Telegraph and Telephone Corporation
Masato Mizukami
G02 - OPTICS
Information
Patent Grant
Mirror device, mirror array, optical switch, mirror device manufact...
Patent number
8,149,489
Issue date
Apr 3, 2012
Nippon Telegraph and Telephone Corporation
Fusao Shimokawa
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Mirror device and mirror device manufacturing method incorporating...
Patent number
7,978,388
Issue date
Jul 12, 2011
Nippon Telegraph and Telephone Corporation
Shingo Uchiyama
G02 - OPTICS
Information
Patent Grant
Optical fiber cross-connect with a connection block, an alignment b...
Patent number
6,877,906
Issue date
Apr 12, 2005
Nippon Telegraph and Telephone
Masato Mizukami
G02 - OPTICS
Information
Patent Grant
Automatic assembly and inspection system for optical connector
Patent number
5,770,001
Issue date
Jun 23, 1998
Nippon Telegraph & Telephone Corporation
Akira Nagayama
G02 - OPTICS
Information
Patent Grant
Automated optical main distributing frame system
Patent number
5,204,921
Issue date
Apr 20, 1993
Nippon Telegraph & Telephone Corporation
Tsuneo Kanai
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
MIRROR DEVICE, MIRROR ARRAY, OPTICAL SWITCH, MIRROR DEVICE MANUFACT...
Publication number
20120162736
Publication date
Jun 28, 2012
Shingo UCHIYAMA
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
MIRROR DEVICE, MIRROR ARRAY, OPTICAL SWITCH, MIRROR DEVICE MANUFACT...
Publication number
20120162737
Publication date
Jun 28, 2012
Shingo Uchiyama
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
MIRROR DEVICE, MIRROR ARRAY, OPTICAL SWITCH, MIRROR DEVICE MANUFACT...
Publication number
20120162735
Publication date
Jun 28, 2012
Shingo Uchiyama
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
OPTICAL SWITCH, OPTICAL SWITCH CONTROL METHOD AND COMMUNICATIION SY...
Publication number
20090323149
Publication date
Dec 31, 2009
Masato Mizukami
G02 - OPTICS
Information
Patent Application
Mirror Device and Mirror Device Manufacturing Method
Publication number
20090244676
Publication date
Oct 1, 2009
Nippon Telegraph and Telephone Corporation
Shingo Uchiyama
G02 - OPTICS
Information
Patent Application
Mirror Device, Mirror Array, Optical Switch, Mirror Device Manufact...
Publication number
20080100899
Publication date
May 1, 2008
Fusao Shimokawa
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
Optical connector plug, optical connector plug connecting method, o...
Publication number
20040076377
Publication date
Apr 22, 2004
Nippon Telegraph and Telephone Corporation
Masato Mizukami
G02 - OPTICS