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Yasuhiro Ando
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Hoya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical active connector plug for LAN and its connector port
Patent number
6,758,693
Issue date
Jul 6, 2004
NTT Advanced Technology Corporation
Shuichiro Inagaki
G02 - OPTICS
Information
Patent Grant
Channel-to-channel skew compensation apparatus
Patent number
6,557,110
Issue date
Apr 29, 2003
Nippon Telegraph and Telephone Corporation
Takeshi Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber connector in which an optical fiber is protected even...
Patent number
6,491,442
Issue date
Dec 10, 2002
Japan Aviation Electronics Industry
Keiji Murakami
G02 - OPTICS
Information
Patent Grant
Semiconductor integrated circuit
Patent number
6,399,991
Issue date
Jun 4, 2002
NEC Corporation
Yasuhiro Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Parallel redundancy encoding apparatus
Patent number
6,336,192
Issue date
Jan 1, 2002
Nippon Telegraph and Telephone Corporation
Takeshi Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor memory device capable of reducing a leak current flow...
Patent number
6,115,296
Issue date
Sep 5, 2000
NEC Corporation
Yasuhiro Ando
G11 - INFORMATION STORAGE
Information
Patent Grant
Antenna adjuster
Patent number
6,031,508
Issue date
Feb 29, 2000
NEC Corporation
Hironobu Ishizuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical jack for plug-jack optical connector
Patent number
5,673,346
Issue date
Sep 30, 1997
Nippon Telegraph & Telephone Corporation
Shin'ichi Iwano
G02 - OPTICS
Information
Patent Grant
Mechanism for preventing detachment of a plug
Patent number
5,603,631
Issue date
Feb 18, 1997
Hirose Electric Co., Ltd.
Akira Kawahara
G02 - OPTICS
Information
Patent Grant
Sleeve holder for optical connector
Patent number
5,563,978
Issue date
Oct 8, 1996
Sanwa Denki Kogyo Company Limited
Akira Kawahara
G02 - OPTICS
Information
Patent Grant
Optical connector
Patent number
5,537,501
Issue date
Jul 16, 1996
Nippon Telegraph & Telephone Corporation
Shiniichi Iwano
G02 - OPTICS
Information
Patent Grant
Optical connector for connecting a plurality of optical plugs to a...
Patent number
5,528,711
Issue date
Jun 18, 1996
Nippon Telegraph & Telephone Corp.
Shin'ichi Iwano
G02 - OPTICS
Information
Patent Grant
Adapter for optical connector having float-type sleeve holder and p...
Patent number
5,418,875
Issue date
May 23, 1995
Honda Tsushin Kogyo Co., Ltd.
Toshiaki Nakano
G02 - OPTICS
Information
Patent Grant
Optical connector plug
Patent number
5,404,416
Issue date
Apr 4, 1995
Nippon Telegraph and Telephone Corporation
Shinichi Iwano
G02 - OPTICS
Information
Patent Grant
Strain relief boot for an optical connector plug
Patent number
5,329,603
Issue date
Jul 12, 1994
Sumitomo Electric Industries, Ltd.
Tetsuaki Watanabe
G02 - OPTICS
Information
Patent Grant
Polarization maintaining optical fiber connector including position...
Patent number
5,216,733
Issue date
Jun 1, 1993
Nippon Telegraph & Telephone Corporation
Ryo Nagase
G02 - OPTICS
Information
Patent Grant
Optical connector
Patent number
5,121,454
Issue date
Jun 9, 1992
Nippon Telegraph and Telephone Corporation
Shin'ichi Iwano
G02 - OPTICS
Information
Patent Grant
Plug-in optical fiber connector
Patent number
4,895,425
Issue date
Jan 23, 1990
Nippon Telegraph and Telephone Corporation
Shinichi Iwano
G02 - OPTICS
Information
Patent Grant
Ferrule for connecting optical fibers and optical connector using it
Patent number
4,818,061
Issue date
Apr 4, 1989
Nippon Telegraph & Telephone Corporation
Shinichi Iwano
G02 - OPTICS
Information
Patent Grant
Optical connector
Patent number
4,759,599
Issue date
Jul 26, 1988
Kabushiki Kaisha Toshiba
Yasuhiro Yamaguchi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Surface Analysis Device
Publication number
20230296644
Publication date
Sep 21, 2023
Hitachi High-Tech Corporation
Ritsuo FUKAYA
G01 - MEASURING TESTING
Information
Patent Application
STAGE DEVICE, CHARGED PARTICLE BEAM APPARATUS, AND VACUUM APPARATUS
Publication number
20230260740
Publication date
Aug 17, 2023
HITACHI HIGH-TECH CORPORATION
Motohiro TAKAHASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STAGE APPARATUS AND CHARGED PARTICLE BEAM APPARATUS INCLUDING STAGE...
Publication number
20230143197
Publication date
May 11, 2023
HITACHI HIGH-TECH CORPORATION
Akira NISHIOKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical active connector plug for lan and its connector port
Publication number
20030124903
Publication date
Jul 3, 2003
Shuichiro Inagaki
G02 - OPTICS
Information
Patent Application
Channel-to-channel skew compensation apparatus
Publication number
20020029355
Publication date
Mar 7, 2002
Nippon Telegraph and Telephone Corporation
Takeshi Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE