Akira Wada

Person

Sakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for manufacturing optical fiber grating, optical...
- Patent number 7,298,944
- Issue date Nov 20, 2007
- Fujikura Ltd.
- Yuu Ishii
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical transmission system
- Patent number 7,076,139
- Issue date Jul 11, 2006
- Fujikura Ltd.
- Kazuhiko Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Manufacturing method for optical coupler/splitter and method for ad...
- Patent number 7,046,881
- Issue date May 16, 2006
- Fujikura, Ltd.
- Ken Sakuma
- G02 - OPTICS
Information Patent Grant
Dispersion-compensating optical fiber and hybrid transmission line
- Patent number 6,980,723
- Issue date Dec 27, 2005
- Fujikura Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Grant
Optical amplifier, method for compensating for temperature dependen...
- Patent number 6,975,446
- Issue date Dec 13, 2005
- Fujikura Ltd.
- Yasushi Takeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion-compensating optical fiber and hybrid transmission line
- Patent number 6,813,430
- Issue date Nov 2, 2004
- Fujikura, Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Grant
Optical fiber for preserving plane of polarization
- Patent number 6,687,442
- Issue date Feb 3, 2004
- Fujikura Ltd.
- Naoki Shamoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Multiple wavelength excitation optical multiplexing device, multipl...
- Patent number 6,459,829
- Issue date Oct 1, 2002
- Ryozo Yamauchi
- G02 - OPTICS
Information Patent Grant
Optical fiber grating and manufacturing method thereof
- Patent number 6,442,313
- Issue date Aug 27, 2002
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS
Information Patent Grant
Optical fiber grating and manufacturing method therefor
- Patent number 6,298,183
- Issue date Oct 2, 2001
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS
Information Patent Grant
Method of making an optical waveguide grating with two dissimilar i...
- Patent number 5,996,375
- Issue date Dec 7, 1999
- Michihiro Nakai
- G02 - OPTICS
Information Patent Grant
Dispersion compensating optical fiber
- Patent number 5,995,695
- Issue date Nov 30, 1999
- Fujikura Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Grant
Optical waveguide grating and production method therefor
- Patent number 5,949,934
- Issue date Sep 7, 1999
- Fujikura, Ltd.
- Kensuke Shima
- G02 - OPTICS
Information Patent Grant
Optical filter with planar optical waveguide having periodically va...
- Patent number 5,930,437
- Issue date Jul 27, 1999
- Fujikura Ltd.
- Michihiro Nakai
- G02 - OPTICS
Information Patent Grant
Optical fiber filter
- Patent number 5,732,170
- Issue date Mar 24, 1998
- Fujikura, Ltd.
- Satoshi Okude
- G02 - OPTICS
Information Patent Grant
Erbium-doped silica optical fiber preform
- Patent number 5,526,459
- Issue date Jun 11, 1996
- Fujikura Ltd.
- Daiichirou Tanaka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Solution doping of a silica preform with erbium, aluminum and phosp...
- Patent number 5,474,588
- Issue date Dec 12, 1995
- Fujikura Ltd.
- Daiichirou Tanaka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for splicing and reinforcing carbon coated optical fibers
- Patent number 5,360,464
- Issue date Nov 1, 1994
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS
Information Patent Grant
Optical fiber having a core with a repeatedly changing constitution...
- Patent number 5,267,339
- Issue date Nov 30, 1993
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS
Information Patent Grant
Method for splicing and reinforcing carbon coated optical fibers
- Patent number 5,223,014
- Issue date Jun 29, 1993
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Dispersion-compensating optical fiber and hybrid transmission line
- Publication number 20040234219
- Publication date Nov 25, 2004
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Application
DISPERSION-COMPENSATING OPTICAL FIBER AND HYBRID TRANSMISSION LINE
- Publication number 20040109656
- Publication date Jun 10, 2004
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Application
Optical amplifier, method for compensating for temperature dependen...
- Publication number 20040042062
- Publication date Mar 4, 2004
- FUJIKURA LTD.
- Yasushi Takeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and device for manufacturing optical fiber grating, optical...
- Publication number 20040028331
- Publication date Feb 12, 2004
- Yuu Ishii
- G02 - OPTICS
Information Patent Application
Manufacturing method for optical coupler/splitter and method for ad...
- Publication number 20030021536
- Publication date Jan 30, 2003
- Ken Sakuma
- G02 - OPTICS
Information Patent Application
Optical fiber for preserving plane of polarization
- Publication number 20020131738
- Publication date Sep 19, 2002
- Naoki Shamoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical fiber grating and manufacturing method thereof
- Publication number 20010019643
- Publication date Sep 6, 2001
- Ryozo Yamauchi
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Method and device for manufacturing optical fiber grating, optical...

Optical fiber and optical transmission system

Manufacturing method for optical coupler/splitter and method for ad...

Dispersion-compensating optical fiber and hybrid transmission line

Optical amplifier, method for compensating for temperature dependen...

Dispersion-compensating optical fiber and hybrid transmission line

Optical fiber for preserving plane of polarization

Multiple wavelength excitation optical multiplexing device, multipl...

Optical fiber grating and manufacturing method thereof

Optical fiber grating and manufacturing method therefor

Method of making an optical waveguide grating with two dissimilar i...

Dispersion compensating optical fiber

Optical waveguide grating and production method therefor

Optical filter with planar optical waveguide having periodically va...

Optical fiber filter

Erbium-doped silica optical fiber preform

Solution doping of a silica preform with erbium, aluminum and phosp...

Method for splicing and reinforcing carbon coated optical fibers

Optical fiber having a core with a repeatedly changing constitution...

Method for splicing and reinforcing carbon coated optical fibers

Patents Applicationslast 30 patents

Dispersion-compensating optical fiber and hybrid transmission line

DISPERSION-COMPENSATING OPTICAL FIBER AND HYBRID TRANSMISSION LINE

Optical amplifier, method for compensating for temperature dependen...

Method and device for manufacturing optical fiber grating, optical...

Manufacturing method for optical coupler/splitter and method for ad...

Optical fiber for preserving plane of polarization

Optical fiber grating and manufacturing method thereof