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Kazumasa Ohsono
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multicore fiber
Patent number
9,052,432
Issue date
Jun 9, 2015
Hitachi Metals, Ltd.
Bing Yao
G02 - OPTICS
Information
Patent Grant
Method of sealing air holes in an optical fiber
Patent number
8,800,323
Issue date
Aug 12, 2014
Hitachi Metals, Ltd.
Yoshinori Kurosawa
G02 - OPTICS
Information
Patent Grant
Optical fiber, end part processing method of optical fiber, and end...
Patent number
8,472,769
Issue date
Jun 25, 2013
Hitachi Cable, Ltd.
Masao Tachikura
G02 - OPTICS
Information
Patent Grant
Optical fiber laser and exciting method using same
Patent number
7,903,695
Issue date
Mar 8, 2011
Hitachi Cable, Ltd.
Seiji Kojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical connector
Patent number
7,857,525
Issue date
Dec 28, 2010
Hitachi Cable, Ltd.
Kanako Suzuki
G02 - OPTICS
Information
Patent Grant
Optical fiber for an optical fiber laser, method for fabricating th...
Patent number
7,813,386
Issue date
Oct 12, 2010
Hitachi Cable, Ltd.
Bing Yao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber laser
Patent number
7,769,058
Issue date
Aug 3, 2010
Hitachi Cable, Ltd.
Akihito Hongo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber for fiber laser device and fiber laser device using same
Patent number
7,684,449
Issue date
Mar 23, 2010
Hitachi Cable, Ltd.
Kazumasa Ohsono
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Optical fiber, optical fiber connecting method, and optical connector
Patent number
7,658,550
Issue date
Feb 9, 2010
Hitachi Cable Ltd.
Yoshinori Kurosawa
G02 - OPTICS
Information
Patent Grant
Optical fiber, optical fiber connection structure and optical conne...
Patent number
7,583,877
Issue date
Sep 1, 2009
Hitachi Cable, Ltd.
Kanako Suzuki
G02 - OPTICS
Information
Patent Grant
Optical fiber, end face structure of optical fiber assembly, and op...
Patent number
7,555,184
Issue date
Jun 30, 2009
Hitachi Cable, Ltd.
Yoshinori Kurosawa
G02 - OPTICS
Information
Patent Grant
Optical connector and connection structure of optical fibers
Patent number
7,393,143
Issue date
Jul 1, 2008
Hitachi Cable, Ltd.
Yoshihisa Kato
G02 - OPTICS
Information
Patent Grant
Optical fiber, optical fiber connecting method, and optical connector
Patent number
7,376,315
Issue date
May 20, 2008
Hitachi Cable, Ltd.
Yoshinori Kurosawa
G02 - OPTICS
Information
Patent Grant
Optical fiber coiled cord
Patent number
7,349,610
Issue date
Mar 25, 2008
Hitachi Cable, Ltd.
Kazumasa Ohsono
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
MULTICORE FIBER
Publication number
20130016949
Publication date
Jan 17, 2013
HITACHI CABLE, LTD.
Bing YAO
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND METHOD OF MANUFACTURING THE SAME, END PART PROCES...
Publication number
20110142402
Publication date
Jun 16, 2011
Hitachi Cable, Ltd.
Masao TACHIKURA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER, END PART PROCESSING METHOD OF OPTICALFIBER, AND END...
Publication number
20110110637
Publication date
May 12, 2011
Hitachi Cable, Ltd.
Masao TACHIKURA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND METHOD OF MANUFACTURING THE SAME
Publication number
20110103758
Publication date
May 5, 2011
HITACHI CABLE, LTD.
Kazumasa OHSONO
G02 - OPTICS
Information
Patent Application
STAMPER FOR MINUTE STRUCTURE TRANSFER AND A METHOD FOR MANUFACTURIN...
Publication number
20100062098
Publication date
Mar 11, 2010
HITACHI CABLE, LTD.
Takashi Ando
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
OPTICAL FIBER FOR A FIBER LASER AND FIBER LASER USING THE SAME
Publication number
20090316733
Publication date
Dec 24, 2009
Bing Yao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FIBER LASER AND EXCITING METHOD USING SAME
Publication number
20090129411
Publication date
May 21, 2009
Seiji Kojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical fiber for an optical fiber laser, method for fabricating th...
Publication number
20090080472
Publication date
Mar 26, 2009
Hitachi Cable, Ltd.
Bing Yao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical fiber for an optical fiber laser, method for fabricating th...
Publication number
20090052476
Publication date
Feb 26, 2009
Hitachi Cable, Ltd.
Bing Yao
G02 - OPTICS
Information
Patent Application
Optical waveguide type optical coupling arrangement
Publication number
20090052840
Publication date
Feb 26, 2009
Hitachi Cable, Ltd.
Seiji Kojima
G02 - OPTICS
Information
Patent Application
Optical fiber, end face structure of optical fiber assembly, and op...
Publication number
20080317416
Publication date
Dec 25, 2008
Yoshinori Kurosawa
G02 - OPTICS
Information
Patent Application
Optical fiber, sealing method for optical fiber end face, connectio...
Publication number
20080292244
Publication date
Nov 27, 2008
Hitachi Cable, Ltd.
Yoshihisa Kato
G02 - OPTICS
Information
Patent Application
Optical fiber, optical fiber connection structure and optical conne...
Publication number
20080292248
Publication date
Nov 27, 2008
Hitachi Cable, Ltd.
Kanako Suzuki
G02 - OPTICS
Information
Patent Application
Optical fiber, optical fiber production method and optical fiber pr...
Publication number
20080267229
Publication date
Oct 30, 2008
Hitachi Cable, Ltd.
Seiji Kojima
G02 - OPTICS
Information
Patent Application
Optical fiber, optical fiber connecting method, and optical connector
Publication number
20080250816
Publication date
Oct 16, 2008
Hitachi Cable, Ltd.
Yoshinori Kurosawa
G02 - OPTICS
Information
Patent Application
Optical fiber, optical fiber connecting method, and optical connector
Publication number
20080253726
Publication date
Oct 16, 2008
Hitachi Cable, Ltd.
Yoshinori Kurosawa
G02 - OPTICS
Information
Patent Application
Optical fiber for fiber laser device and fiber laser device using same
Publication number
20080192778
Publication date
Aug 14, 2008
Hitachi Cable, Ltd.
Kazumasa Ohsono
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Optical Connector
Publication number
20080159696
Publication date
Jul 3, 2008
Kanako Suzuki
G02 - OPTICS
Information
Patent Application
Optical connector and connection structure of optical fibers
Publication number
20070196055
Publication date
Aug 23, 2007
HITACHI CABLE, LTD.
Yoshihisa Kato
G02 - OPTICS
Information
Patent Application
Optical fiber laser
Publication number
20070189340
Publication date
Aug 16, 2007
Akihito Hongo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical fiber coiled cord
Publication number
20060257086
Publication date
Nov 16, 2006
Hitachi Cable, Ltd.
Kazumasa Ohsono
G02 - OPTICS
Information
Patent Application
Optical fiber, optical fiber connecting method, and optical connector
Publication number
20060204195
Publication date
Sep 14, 2006
Yoshinori Kurosawa
G02 - OPTICS