Iwao SHIMOTAKAHARA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hole-assisted optical fiber
- Patent number 9,075,185
- Issue date Jul 7, 2015
- Furukawa Electric Co., Ltd.
- Naomi Kumano
- G02 - OPTICS
Information Patent Grant
Optical fibers
- Patent number 8,977,096
- Issue date Mar 10, 2015
- Furukawa Electric Co., Ltd.
- Iwao Shimotakahara
- G02 - OPTICS
Information Patent Grant
Optical fiber preform manufacturing method
- Patent number 8,181,487
- Issue date May 22, 2012
- Furukawa Electric Co., Ltd.
- Ryuichi Sugizaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber, optical fiber ribbon, and optical interconnection sy...
- Patent number 7,878,712
- Issue date Feb 1, 2011
- The Furukawa Electric Co., Ltd.
- Iwao Shimotakahara
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical fiber ribbon, and optical interconnection...
- Patent number 7,787,732
- Issue date Aug 31, 2010
- The Furukawa Electric Co., Ltd.
- Ryuichi Sugizaki
- G02 - OPTICS
Information Patent Grant
Optical fiber
- Patent number 7,593,612
- Issue date Sep 22, 2009
- The Furukawa Electric Co., Ltd.
- Iwao Shimotakahara
- G02 - OPTICS
Information Patent Grant
Optical fiber, optical fiber ribbon, and optical interconnection sy...
- Patent number 7,583,878
- Issue date Sep 1, 2009
- The Furukawa Electric Co., Ltd.
- Ryuichi Sugizaki
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical fiber ribbon, and optical interconnection...
- Patent number 7,574,088
- Issue date Aug 11, 2009
- The Furukawa Electric Co., Ltd.
- Ryuichi Sugizaki
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical transmission line using the optical fiber
- Patent number 6,754,421
- Issue date Jun 22, 2004
- The Furukawa Electric Co., Ltd.
- Iwao Shimotakahara
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical transmission line using the optical fiber
- Patent number 6,522,819
- Issue date Feb 18, 2003
- The Furukawa Electric Co., Ltd.
- Iwao Shimotakahara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
HOLE-ASSISTED OPTICAL FIBER
- Publication number 20130136409
- Publication date May 30, 2013
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Naomi Kumano
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER PREFORM MANUFACTURING METHOD
- Publication number 20100326139
- Publication date Dec 30, 2010
- FURUKAWA ELECTRIC CO., LTD.
- Ryuichi SUGIZAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBERS
- Publication number 20100296786
- Publication date Nov 25, 2010
- FURUKAWA ELECTRIC CO., LTD.
- Iwao SHIMOTAKAHARA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER AND OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION...
- Publication number 20090086770
- Publication date Apr 2, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Ryuichi SUGIZAKI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION SY...
- Publication number 20090052848
- Publication date Feb 26, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Iwao SHIMOTAKAHARA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION SY...
- Publication number 20080310805
- Publication date Dec 18, 2008
- FURUKAWA ELECTRIC CO., LTD.
- Ryuichi SUGIZAKI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER
- Publication number 20080285929
- Publication date Nov 20, 2008
- THE FURUKAWA ELECTRIC CO., LTD.
- Iwao SHIMOTAKAHARA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER AND OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION...
- Publication number 20080226241
- Publication date Sep 18, 2008
- THE FURUKAWA ELECTRIC CO., LTD.
- Ryuichi SUGIZAKI
- G02 - OPTICS
Information Patent Application
Optical fiber and optical transmission line using the optical fiber
- Publication number 20030128947
- Publication date Jul 10, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Iwao Shimotakahara
- G02 - OPTICS
Information Patent Application
Process for producing optical fiber preform
- Publication number 20030084686
- Publication date May 8, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Iwao Shimotakahara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical fiber and optical transmission line using the optical fiber
- Publication number 20020054742
- Publication date May 9, 2002
- THE FURUKAWA ELECTRIC CO., LTD.
- Iwao Shimotakahara
- G02 - OPTICS

Iwao SHIMOTAKAHARA

Person

Patents Grantslast 30 patents

Hole-assisted optical fiber

Optical fibers

Optical fiber preform manufacturing method

Optical fiber, optical fiber ribbon, and optical interconnection sy...

Optical fiber and optical fiber ribbon, and optical interconnection...

Optical fiber

Optical fiber, optical fiber ribbon, and optical interconnection sy...

Optical fiber and optical fiber ribbon, and optical interconnection...

Optical fiber and optical transmission line using the optical fiber

Optical fiber and optical transmission line using the optical fiber

Patents Applicationslast 30 patents

HOLE-ASSISTED OPTICAL FIBER

OPTICAL FIBER PREFORM MANUFACTURING METHOD

OPTICAL FIBERS

OPTICAL FIBER AND OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION...

OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION SY...

OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION SY...

OPTICAL FIBER

OPTICAL FIBER AND OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION...

Optical fiber and optical transmission line using the optical fiber

Process for producing optical fiber preform

Optical fiber and optical transmission line using the optical fiber