Osamu Tadanaga

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength conversion element and method for producing same
- Patent number 12,007,666
- Issue date Jun 11, 2024
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- C30 - CRYSTAL GROWTH
Information Patent Grant
Wavelength conversion device
- Patent number 11,971,644
- Issue date Apr 30, 2024
- Nippon Telegraph and Telephone Corporation
- Koji Embutsu
- G02 - OPTICS
Information Patent Grant
Wavelength conversion element and method for manufacturing same
- Patent number 11,892,745
- Issue date Feb 6, 2024
- Nippon Telegraph and Telephone Corporation
- Takushi Kazama
- G02 - OPTICS
Information Patent Grant
Optical communication system
- Patent number 11,888,528
- Issue date Jan 30, 2024
- Nippon Telegraph and Telephone Corporation
- Takushi Kazama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical element and manufacturing method thereof
- Patent number 11,852,953
- Issue date Dec 26, 2023
- Nippon Telegraph and Telephone Corporation
- Takeshi Umeki
- G02 - OPTICS
Information Patent Grant
Wavelength conversion optical element
- Patent number 11,815,785
- Issue date Nov 14, 2023
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- G02 - OPTICS
Information Patent Grant
Planar optical waveguide device
- Patent number 11,815,715
- Issue date Nov 14, 2023
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- G02 - OPTICS
Information Patent Grant
Wavelength conversion device
- Patent number 11,768,421
- Issue date Sep 26, 2023
- Nippon Telegraph and Telephone Corporation
- Osamu Tadanaga
- G02 - OPTICS
Information Patent Grant
Optical signal processing circuit
- Patent number 11,740,537
- Issue date Aug 29, 2023
- Nippon Telegraph and Telephone Corporation
- Takeshi Umeki
- G02 - OPTICS
Information Patent Grant
Wavelength conversion apparatus
- Patent number 11,733,584
- Issue date Aug 22, 2023
- Nippon Telegraph and Telephone Corporation
- Koji Embutsu
- G02 - OPTICS
Information Patent Grant
Wavelength conversion element
- Patent number 11,644,735
- Issue date May 9, 2023
- Nippon Telegraph and Telephone Corporation
- Osamu Tadanaga
- G02 - OPTICS
Information Patent Grant
Wavelength conversion element and method for manufacturing waveleng...
- Patent number 11,442,225
- Issue date Sep 13, 2022
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- G02 - OPTICS
Information Patent Grant
Optical signal transmitter
- Patent number 11,387,909
- Issue date Jul 12, 2022
- Nippon Telegraph and Telephone Corporation
- Takushi Kazama
- G02 - OPTICS
Information Patent Grant
Wavelength conversion apparatus
- Patent number 11,385,521
- Issue date Jul 12, 2022
- Nippon Telegraph and Telephone Corporation
- Takeshi Umeki
- G02 - OPTICS
Information Patent Grant
N2O analysis device and analysis method
- Patent number 10,156,517
- Issue date Dec 18, 2018
- Nippon Telegraph and Telephone Corporation
- Osamu Tadanaga
- G01 - MEASURING TESTING
Information Patent Grant
SO3 analysis method and analysis device
- Patent number 10,101,270
- Issue date Oct 16, 2018
- Nippon Telegraph and Telephone Corporation
- Akio Tokura
- G01 - MEASURING TESTING
Information Patent Grant
Wavelength converter and wavelength conversion apparatus
- Patent number 7,940,451
- Issue date May 10, 2011
- Nippon Telegraph and Telephone Corporation
- Masaki Asobe
- G02 - OPTICS
Information Patent Grant
Light source apparatus with modulation function and its driving method
- Patent number 7,729,585
- Issue date Jun 1, 2010
- NipponTelegraph and Telephone Corporation
- Katsuaki Magari
- G01 - MEASURING TESTING
Information Patent Grant
Laser light source
- Patent number 7,573,921
- Issue date Aug 11, 2009
- Nippon Telegraph and Telephone Corporation
- Junji Yumoto
- G01 - MEASURING TESTING
Information Patent Grant
Laser light source
- Patent number 7,391,795
- Issue date Jun 24, 2008
- Nippon Telegraph and Telephone Corporation
- Junji Yumoto
- G01 - MEASURING TESTING
Information Patent Grant
Vertical-cavity surface-emitting semiconductor laser
- Patent number 6,846,685
- Issue date Jan 25, 2005
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Uenohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength converter and wavelength converting apparatus
- Patent number 6,806,986
- Issue date Oct 19, 2004
- Nippon Telegraph and Telephone Corporation
- Masaki Asobe
- G02 - OPTICS
Information Patent Grant
Vertical-cavity surface-emitting semiconductor laser
- Patent number 6,549,553
- Issue date Apr 15, 2003
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Uenohara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Planer Optical Waveguide Device
- Publication number 20230251549
- Publication date Aug 10, 2023
- Nippon Telegraph and Telephone Corporation
- Asuka Inoue
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Apparatus
- Publication number 20230221617
- Publication date Jul 13, 2023
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- G02 - OPTICS
Information Patent Application
Wavelength Converter
- Publication number 20230185157
- Publication date Jun 15, 2023
- Nippon Telegraph and Telephone Corporation
- Nobutatsu Koshobu
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Device
- Publication number 20230161223
- Publication date May 25, 2023
- Nippon Telegraph and Telephone Corporation
- Osamu Tadanaga
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Apparatus
- Publication number 20230152665
- Publication date May 18, 2023
- Nippon Telegraph and Telephone Corporation
- Koji Embutsu
- G02 - OPTICS
Information Patent Application
Optical Communication System
- Publication number 20230053856
- Publication date Feb 23, 2023
- Nippon Telegraph and Telephone Corporation
- Takushi Kazama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Element and Manufacturing Method Thereof
- Publication number 20220413355
- Publication date Dec 29, 2022
- Nippon Telegraph and Telephone Corporation
- Takeshi Umeki
- G02 - OPTICS
Information Patent Application
Planar Optical Waveguide Device
- Publication number 20220390672
- Publication date Dec 8, 2022
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Apparatus
- Publication number 20220244616
- Publication date Aug 4, 2022
- Nippon Telegraph and Telephone Corporation
- Koji Embutsu
- G02 - OPTICS
Information Patent Application
Optical Signal Processing Circuit
- Publication number 20220236622
- Publication date Jul 28, 2022
- Nippon Telegraph and Telephone Corporation
- Takeshi Umeki
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Optical Element
- Publication number 20220236621
- Publication date Jul 28, 2022
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Element
- Publication number 20220221770
- Publication date Jul 14, 2022
- Nippon Telegraph and Telephone Corporation
- Osamu Tadanaga
- G02 - OPTICS
Information Patent Application
Optical Amplifier
- Publication number 20220200229
- Publication date Jun 23, 2022
- Nippon Telegraph and Telephone Corporation
- Takushi Kazama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wavelength Conversion Element and Method for Manufacturing Same
- Publication number 20220019125
- Publication date Jan 20, 2022
- Nippon Telegraph and Telephone Corporation
- Takushi Kazama
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Element and Method for Producing Same
- Publication number 20220011647
- Publication date Jan 13, 2022
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- C30 - CRYSTAL GROWTH
Information Patent Application
Wavelength Conversion Device
- Publication number 20220004081
- Publication date Jan 6, 2022
- Nippon Telegraph and Telephone Corporation
- Koji Embutsu
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Apparatus
- Publication number 20210405502
- Publication date Dec 30, 2021
- Nippon Telegraph and Telephone Corporation
- Takeshi Umeki
- G02 - OPTICS
Information Patent Application
Wavelength Conversion Element and Method for Manufacturing Waveleng...
- Publication number 20210223471
- Publication date Jul 22, 2021
- Nippon Telegraph and Telephone Corporation
- Takahiro Kashiwazaki
- G02 - OPTICS
Information Patent Application
Optical Signal Transmitter
- Publication number 20210044358
- Publication date Feb 11, 2021
- NIippon Telegraph and Telephone Corporation
- Takushi Kazama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
N2O ANALYSIS DEVICE AND ANALYSIS METHOD
- Publication number 20180095030
- Publication date Apr 5, 2018
- Nippon Telegraph and Telephone Corporation
- Osamu TADANAGA
- G01 - MEASURING TESTING
Information Patent Application
SO3 ANALYSIS METHOD AND ANALYSIS DEVICE
- Publication number 20180080866
- Publication date Mar 22, 2018
- Nippon Telegraph and Telephone Corporation
- Akio TOKURA
- G01 - MEASURING TESTING
Information Patent Application
LIGHT SOURCE APPARATUS WITH MODULATION FUNCTION AND ITS DRIVING METHOD
- Publication number 20100053720
- Publication date Mar 4, 2010
- Nippon Telegraph and Telephone Corporation
- Katsuaki Magari
- G02 - OPTICS
Information Patent Application
Wavelength Converter and Wavelength Conversion Apparatus
- Publication number 20100039699
- Publication date Feb 18, 2010
- Nippon Telegraph and Telephone Corporation
- Masaki Asobe
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE AND GAS MEASURING DEVICE
- Publication number 20090303486
- Publication date Dec 10, 2009
- Nippon Telegraph and Telephone Corporation
- Katsuaki Magari
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING A PERIODICALLY-POLED STRUCTURE
- Publication number 20090022903
- Publication date Jan 22, 2009
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Suzuki
- G02 - OPTICS
Information Patent Application
LASER LIGHT SOURCE
- Publication number 20070297465
- Publication date Dec 27, 2007
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Junji Yumoto
- G02 - OPTICS
Information Patent Application
Laser light source
- Publication number 20060013270
- Publication date Jan 19, 2006
- Nippon Telegraph and Telephone Corporation
- Junji Yumoto
- G02 - OPTICS
Information Patent Application
Wavelength converter and wavelength converting apparatus
- Publication number 20030231890
- Publication date Dec 18, 2003
- Nippon Telegraph and Telephone Corporation
- Masaki Asobe
- G02 - OPTICS
Information Patent Application
Vertical-cavity surface-emitting semiconductor laser
- Publication number 20030156613
- Publication date Aug 21, 2003
- Hiroyuki Uenohara
- H01 - BASIC ELECTRIC ELEMENTS

Osamu Tadanaga

Person

Patents Grantslast 30 patents

Wavelength conversion element and method for producing same

Wavelength conversion device

Wavelength conversion element and method for manufacturing same

Optical communication system

Optical element and manufacturing method thereof

Wavelength conversion optical element

Planar optical waveguide device

Wavelength conversion device

Optical signal processing circuit

Wavelength conversion apparatus

Wavelength conversion element

Wavelength conversion element and method for manufacturing waveleng...

Optical signal transmitter

Wavelength conversion apparatus

N2O analysis device and analysis method

SO3 analysis method and analysis device

Wavelength converter and wavelength conversion apparatus

Light source apparatus with modulation function and its driving method

Laser light source

Laser light source

Vertical-cavity surface-emitting semiconductor laser

Wavelength converter and wavelength converting apparatus

Vertical-cavity surface-emitting semiconductor laser

Patents Applicationslast 30 patents

Planer Optical Waveguide Device

Wavelength Conversion Apparatus

Wavelength Converter

Wavelength Conversion Device

Wavelength Conversion Apparatus

Optical Communication System

Optical Element and Manufacturing Method Thereof

Planar Optical Waveguide Device

Wavelength Conversion Apparatus

Optical Signal Processing Circuit

Wavelength Conversion Optical Element

Wavelength Conversion Element

Optical Amplifier

Wavelength Conversion Element and Method for Manufacturing Same

Wavelength Conversion Element and Method for Producing Same

Wavelength Conversion Device

Wavelength Conversion Apparatus

Wavelength Conversion Element and Method for Manufacturing Waveleng...

Optical Signal Transmitter

N2O ANALYSIS DEVICE AND ANALYSIS METHOD

SO3 ANALYSIS METHOD AND ANALYSIS DEVICE

LIGHT SOURCE APPARATUS WITH MODULATION FUNCTION AND ITS DRIVING METHOD

Wavelength Converter and Wavelength Conversion Apparatus

LIGHT SOURCE AND GAS MEASURING DEVICE

METHOD FOR MANUFACTURING A PERIODICALLY-POLED STRUCTURE

LASER LIGHT SOURCE

Laser light source

Wavelength converter and wavelength converting apparatus

Vertical-cavity surface-emitting semiconductor laser