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Masaki Ohmura
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical connection member, optical connector, and optical fiber hav...
Patent number
10,481,346
Issue date
Nov 19, 2019
Sumitomo Electric Industries, Ltd.
Masaki Ohmura
G02 - OPTICS
Information
Patent Grant
Lens-equipped connector
Patent number
9,739,948
Issue date
Aug 22, 2017
Sumitomo Electric Industries, Ltd.
Takuro Watanabe
G02 - OPTICS
Information
Patent Grant
Grin lens array, lens-mounted connector, and lens-mounted connector...
Patent number
9,551,835
Issue date
Jan 24, 2017
Sumitomo Electric Industries, Ltd.
Dai Sasaki
G02 - OPTICS
Information
Patent Grant
Optical connector ferrule
Patent number
9,297,963
Issue date
Mar 29, 2016
Sumitomo Electric Industries, Ltd.
Masaki Ohmura
G02 - OPTICS
Information
Patent Grant
Method of processing terminus of optical fiber and terminus process...
Patent number
8,844,602
Issue date
Sep 30, 2014
Sumitomo Electric Industries, Ltd.
Kazuhito Saito
G02 - OPTICS
Information
Patent Grant
Optical connector and method of assembling the same
Patent number
8,511,910
Issue date
Aug 20, 2013
Sumitomo Electric Industries, Ltd.
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Grant
Optical connector, method of attaching the optical connector to coa...
Patent number
8,480,311
Issue date
Jul 9, 2013
Sumitomo Electric Industries, Ltd.
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Grant
Ferrule, and method of producing an optical waveguide connector, an...
Patent number
8,388,238
Issue date
Mar 5, 2013
Sumitomo Electric Industries, Ltd.
Masaki Ohmura
G02 - OPTICS
Information
Patent Grant
Optical connecting member and method of fitting the same
Patent number
8,292,514
Issue date
Oct 23, 2012
Sumitomo Electric Industries, Ltd.
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Grant
Optical fiber cutting apparatus and optical fiber cutting method
Patent number
8,196,793
Issue date
Jun 12, 2012
Sumitomo Electric Industries, Ltd.
Masaki Ohmura
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Optical connector and optical connector assembling method
Patent number
7,717,623
Issue date
May 18, 2010
Sumitomo Electric Industries, Ltd.
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Grant
Optical fiber sheet and its manufacturing method
Patent number
7,680,365
Issue date
Mar 16, 2010
Sumitomo Electric Industries, Ltd.
Kazuhito Saito
G02 - OPTICS
Information
Patent Grant
Optical fiber and fiber grating type filter including the same
Patent number
7,203,399
Issue date
Apr 10, 2007
Sumitomo Electric Industries, Ltd.
Shinji Ishikawa
G02 - OPTICS
Information
Patent Grant
Gain equalizer and optical amplification apparatus
Patent number
6,952,511
Issue date
Oct 4, 2005
Sumitomo Electric Industries, Ltd.
Masakazu Shigehara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making diffraction grating device, diffraction grating de...
Patent number
6,842,568
Issue date
Jan 11, 2005
Sumitomo Electric Industries, Ltd.
Ken Hashimoto
G02 - OPTICS
Information
Patent Grant
Diffraction grating device manufacturing method, diffraction gratin...
Patent number
6,804,437
Issue date
Oct 12, 2004
Sumitomo Electric Industries, Ltd.
Kiyotaka Murashima
G02 - OPTICS
Information
Patent Grant
Optical waveguide type defraction grating device and a method of ma...
Patent number
6,766,080
Issue date
Jul 20, 2004
Sumitomo Electric Industries, Ltd.
Masaki Ohmura
G02 - OPTICS
Information
Patent Grant
Method of making diffraction grating device, diffraction grating de...
Patent number
6,519,389
Issue date
Feb 11, 2003
Sumitomo Electric Industries, Ltd.
Ken Hashimoto
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING OPTICAL CONNECTOR FERRULE, OPTICAL CONNECT...
Publication number
20190377137
Publication date
Dec 12, 2019
Sumitomo Electric Industries, Ltd.
Fumiya UEHARA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
OPTICAL CONNECTOR FERRULE AND OPTICAL CONNECTOR
Publication number
20190196117
Publication date
Jun 27, 2019
Sumitomo Electric Industries, Ltd.
Masaki OHMURA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR FERRULE AND OPTICAL CONNECTOR
Publication number
20190179087
Publication date
Jun 13, 2019
Sumitomo Electric Industries, Ltd.
Masaki OHMURA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTION MEMBER, OPTICAL CONNECTOR, AND OPTICAL FIBER HAV...
Publication number
20190072726
Publication date
Mar 7, 2019
Sumitomo Electric Industries, Ltd.
Masaki OHMURA
G02 - OPTICS
Information
Patent Application
LENS-EQUIPPED CONNECTOR
Publication number
20170184793
Publication date
Jun 29, 2017
Sumitomo Electric Industries, Ltd.
Takuro WATANABE
G02 - OPTICS
Information
Patent Application
GRIN LENS ARRAY, LENS-MOUNTED CONNECTOR, AND LENS-MOUNTED CONNECTOR...
Publication number
20160139339
Publication date
May 19, 2016
Sumitomo Electric Industries, Ltd.
Dai SASAKI
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR FERRULE
Publication number
20150247982
Publication date
Sep 3, 2015
Sumitomo Electric Industries, Ltd.
Masaki OHMURA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR FERRULE
Publication number
20150247983
Publication date
Sep 3, 2015
Sumitomo Electric Industries, Ltd.
Masaki OHMURA
G02 - OPTICS
Information
Patent Application
METHOD OF PROCESSING TERMINUS OF OPTICAL FIBER AND TERMINUS PROCESS...
Publication number
20110220294
Publication date
Sep 15, 2011
Sumitomo Electric Industries, Ltd.
Kazuhito Saito
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR AND METHOD OF ASSEMBLING THE SAME
Publication number
20100290740
Publication date
Nov 18, 2010
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTING MEMBER AND METHOD OF FITTING THE SAME
Publication number
20100284654
Publication date
Nov 11, 2010
Sumitomo Electric Industries, Ltd.
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR AND METHOD OF ASSEMBLING THE SAME
Publication number
20100247039
Publication date
Sep 30, 2010
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR, METHOD OF ATTACHING THE OPTICAL CONNECTOR TO COA...
Publication number
20100220960
Publication date
Sep 2, 2010
Sumitomo Electric Industries, Ltd.
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER CUTTING DEVICE, OPTICAL FIBER CUTTING METHOD, AND OPT...
Publication number
20100187276
Publication date
Jul 29, 2010
Masaki Ohmura
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER CUTTING APPARATUS AND OPTICAL FIBER CUTTING METHOD
Publication number
20100044406
Publication date
Feb 25, 2010
Masaki Ohmura
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
FERRULE, AND METHOD OF PRODUCING AN OPTICAL WAVEGUIDE CONNECTOR, AN...
Publication number
20100014815
Publication date
Jan 21, 2010
Masaki Ohmura
G02 - OPTICS
Information
Patent Application
Optical components
Publication number
20070189682
Publication date
Aug 16, 2007
Ken Hashimoto
G02 - OPTICS
Information
Patent Application
Optical fiber sheet and its manufacturing method
Publication number
20070003185
Publication date
Jan 4, 2007
Kazuhito Saito
G02 - OPTICS
Information
Patent Application
Optical connector and optical connector assembling method
Publication number
20060257079
Publication date
Nov 16, 2006
Kenichiro Ohtsuka
G02 - OPTICS
Information
Patent Application
Optical fiber and fiber grating type filter including the same
Publication number
20040151467
Publication date
Aug 5, 2004
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Shinji Ishikawa
G02 - OPTICS
Information
Patent Application
Gain equalizer and optical amplification apparatus
Publication number
20040109638
Publication date
Jun 10, 2004
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Masakazu Shigehara
G02 - OPTICS
Information
Patent Application
Method of making diffraction grating device, diffraction grating de...
Publication number
20030228106
Publication date
Dec 11, 2003
Ken Hashimoto
G02 - OPTICS
Information
Patent Application
Diffraction grating device manufacturing method, diffraction gratin...
Publication number
20030165294
Publication date
Sep 4, 2003
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Kiyotaka Murashima
G02 - OPTICS
Information
Patent Application
Method of making diffraction grating device, diffraction grating de...
Publication number
20030140656
Publication date
Jul 31, 2003
Sumitomo Electric Industries, Ltd.
Ken Hashimoto
G02 - OPTICS
Information
Patent Application
Optical waveguide type diffraction grating and method for manufactu...
Publication number
20030113065
Publication date
Jun 19, 2003
Masaki Ohmura
G02 - OPTICS
Information
Patent Application
Optical waveguide type defraction grating device and a method of ma...
Publication number
20030012498
Publication date
Jan 16, 2003
Masaki Ohmura
G02 - OPTICS