Daiichiro Tanaka

Person

Sakura-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of measuring acoustic distribution and distributed acoustic...
- Patent number 9,228,890
- Issue date Jan 5, 2016
- Fujikura Ltd.
- Koji Omichi
- G01 - MEASURING TESTING
Information Patent Grant
Phosphor and an incandescent lamp color light emitting diode lamp u...
- Patent number 8,508,119
- Issue date Aug 13, 2013
- Fujikura Ltd.
- Ken Sakuma
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Patent number 7,711,238
- Issue date May 4, 2010
- Fujikura Ltd.
- Masashi Ikeda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber coupler and optical fiber therefor
- Patent number 7,450,802
- Issue date Nov 11, 2008
- Fujikura Ltd.
- Yuu Ishii
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Patent number 7,406,236
- Issue date Jul 29, 2008
- Fujikura Ltd.
- Masashi Ikeda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Patent number 7,346,258
- Issue date Mar 18, 2008
- Fujikura Ltd.
- Masashi Ikeda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Polarization maintaining optical fiber coupler and method of manufa...
- Patent number 7,203,397
- Issue date Apr 10, 2007
- Fujikura Ltd.
- Yasuhiro Ouchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MEASURING ACOUSTIC DISTRIBUTION AND DISTRIBUTED ACOUSTIC...
- Publication number 20130333476
- Publication date Dec 19, 2013
- FUJIKURA LTD.
- Koji OMICHI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...
- Publication number 20080025679
- Publication date Jan 31, 2008
- FUJIKURA LTD.
- Masashi Ikeda
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...
- Publication number 20060140565
- Publication date Jun 29, 2006
- FUJIKURA LTD.
- Masashi Ikeda
- G02 - OPTICS
Information Patent Application
Phosphor and an incandescent lamp color light emitting diode lamp u...
- Publication number 20060061263
- Publication date Mar 23, 2006
- FUJIKURA LTD.
- Ken Sakuma
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Publication number 20050135762
- Publication date Jun 23, 2005
- FUJIKURA LTD.
- Masashi Ikeda
- G02 - OPTICS
Information Patent Application
Optical fiber coupler and optical fiber therefor
- Publication number 20040170358
- Publication date Sep 2, 2004
- FUJIKURA LTD.
- Yuu Ishii
- G02 - OPTICS
Information Patent Application
Polarization maintaining optical fiber coupler and method of manufa...
- Publication number 20040033002
- Publication date Feb 19, 2004
- FUJIKURA LTD.
- Yasuhiro Ouchi
- G02 - OPTICS

Daiichiro Tanaka

Person

Patents Grantslast 30 patents

Method of measuring acoustic distribution and distributed acoustic...

Phosphor and an incandescent lamp color light emitting diode lamp u...

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Optical fiber coupler and optical fiber therefor

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Polarization maintaining optical fiber coupler and method of manufa...

Patents Applicationslast 30 patents

METHOD OF MEASURING ACOUSTIC DISTRIBUTION AND DISTRIBUTED ACOUSTIC...

OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...

OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...

Phosphor and an incandescent lamp color light emitting diode lamp u...

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Optical fiber coupler and optical fiber therefor

Polarization maintaining optical fiber coupler and method of manufa...