Ai Yanagihara

Person

Atsugi-shi, Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide
- Patent number 12,092,870
- Issue date Sep 17, 2024
- Nippon Telegraph and Telephone Corporation
- Takashi Go
- G02 - OPTICS
Information Patent Grant
Optical signal processing apparatus and manufacturing method thereof
- Patent number 12,032,231
- Issue date Jul 9, 2024
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical signal processing apparatus
- Patent number 12,022,246
- Issue date Jun 25, 2024
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processing apparatus
- Patent number 12,007,665
- Issue date Jun 11, 2024
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- G02 - OPTICS
Information Patent Grant
Optical module
- Patent number 11,977,315
- Issue date May 7, 2024
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical circuit and optical connection structure
- Patent number 11,966,082
- Issue date Apr 23, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Grant
Optical connection structure
- Patent number 11,934,010
- Issue date Mar 19, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Grant
Optical module and manufacturing method thereof
- Patent number 11,740,491
- Issue date Aug 29, 2023
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- G02 - OPTICS
Information Patent Grant
Planar-lightwave-type optical device
- Patent number 11,635,641
- Issue date Apr 25, 2023
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- G02 - OPTICS
Information Patent Grant
Optical fiber connection component and optical device manufacturing...
- Patent number 11,422,321
- Issue date Aug 23, 2022
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- G02 - OPTICS
Information Patent Grant
Optical fiber guide component, optical connection structure and met...
- Patent number 11,415,761
- Issue date Aug 16, 2022
- Nippon Telegraph and Telephone Corporation
- Kota Shikama
- G02 - OPTICS
Information Patent Grant
Optical signal processing device and method for controlling same
- Patent number 11,405,702
- Issue date Aug 2, 2022
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- G02 - OPTICS
Information Patent Grant
Optical module
- Patent number 11,199,659
- Issue date Dec 14, 2021
- Nippon Telegraph and Telephone Corporation
- Hidetaka Nishi
- G02 - OPTICS
Information Patent Grant
Variable wavelength filter
- Patent number 11,112,561
- Issue date Sep 7, 2021
- Nippon Telegraph and Telephone Corporation
- Kenya Suzuki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Waveguide-Type Optical Coupler
- Publication number 20250020865
- Publication date Jan 16, 2025
- Nippon Telegraph and Telephone Corporation
- Takashi Go
- G02 - OPTICS
Information Patent Application
Optical Phase Shifter, Optical Switch and 90 Degrees Optical Hybrid
- Publication number 20240201521
- Publication date Jun 20, 2024
- Nippon Telegraph and Telephone Corporation
- Takashi Go
- G02 - OPTICS
Information Patent Application
Control Device for Computer Device
- Publication number 20240192663
- Publication date Jun 13, 2024
- Nippon Telegraph and Telephone Corporation
- Kenya Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Manufacturing Apparatus of Optical Circuit and Manufacturing Method...
- Publication number 20240085627
- Publication date Mar 14, 2024
- Nippon Telegraph and Telephone Corporation
- Kenya Suzuki
- G02 - OPTICS
Information Patent Application
Probe Card and Method of Manufacturing Thereof
- Publication number 20240044941
- Publication date Feb 8, 2024
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- G01 - MEASURING TESTING
Information Patent Application
Photomask, Optical-Waveguide, Optical Circuit and Method of Manufac...
- Publication number 20230259017
- Publication date Aug 17, 2023
- Nippon Telegraph and Telephone Corporation
- Takashi Go
- G02 - OPTICS
Information Patent Application
Optical Waveguide
- Publication number 20230032684
- Publication date Feb 2, 2023
- Nippon Telegraph and Telephone Corporation
- Takashi Go
- G02 - OPTICS
Information Patent Application
Optical Waveguide
- Publication number 20220413218
- Publication date Dec 29, 2022
- Nippon Telegraph and Telephone Corporation
- Takashi Go
- G02 - OPTICS
Information Patent Application
Optical Module and Manufacturing Method Thereof
- Publication number 20220357601
- Publication date Nov 10, 2022
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- G02 - OPTICS
Information Patent Application
Optical Signal Processing Apparatus
- Publication number 20220272427
- Publication date Aug 25, 2022
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- G02 - OPTICS
Information Patent Application
Optical Signal Processing Apparatus
- Publication number 20220091473
- Publication date Mar 24, 2022
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- G02 - OPTICS
Information Patent Application
Optical Signal Processing Apparatus and Manufacturing Method Thereof
- Publication number 20220066244
- Publication date Mar 3, 2022
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical Connection Structure
- Publication number 20220035099
- Publication date Feb 3, 2022
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Application
Optical Circuit and Optical Connection Structure
- Publication number 20220035100
- Publication date Feb 3, 2022
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Application
Optical Module
- Publication number 20210397065
- Publication date Dec 23, 2021
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical Signal Processing Device and Method For Controlling Same
- Publication number 20210258663
- Publication date Aug 19, 2021
- Nippon Telegraph and Telephone Corporation
- Keita Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Fiber Connection Component and Optical Device Manufacturing...
- Publication number 20210247575
- Publication date Aug 12, 2021
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- G02 - OPTICS
Information Patent Application
Optical Module
- Publication number 20210231871
- Publication date Jul 29, 2021
- Nippon Telegraph and Telephone Corporation
- Hidetaka Nishi
- G02 - OPTICS
Information Patent Application
Optical Fiber Guide Component, Optical Connection Structure and Met...
- Publication number 20210157071
- Publication date May 27, 2021
- Nippon Telegraph and Telephone Corporation
- Kota Shikama
- G02 - OPTICS
Information Patent Application
Variable Wavelength Filter
- Publication number 20210141153
- Publication date May 13, 2021
- Nippon Telegraph and Telephone Corporation
- Kenya Suzuki
- G02 - OPTICS
Information Patent Application
Planar-Lightwave-Type Optical Device
- Publication number 20200363694
- Publication date Nov 19, 2020
- Nippon Telegraph and Telephone Corporation
- Ai Yanagihara
- H01 - BASIC ELECTRIC ELEMENTS

Ai Yanagihara

Person

Patents Grantslast 30 patents

Optical waveguide

Optical signal processing apparatus and manufacturing method thereof

Optical signal processing apparatus

Optical signal processing apparatus

Optical module

Optical circuit and optical connection structure

Optical connection structure

Optical module and manufacturing method thereof

Planar-lightwave-type optical device

Optical fiber connection component and optical device manufacturing...

Optical fiber guide component, optical connection structure and met...

Optical signal processing device and method for controlling same

Optical module

Variable wavelength filter

Patents Applicationslast 30 patents

Waveguide-Type Optical Coupler

Optical Phase Shifter, Optical Switch and 90 Degrees Optical Hybrid

Control Device for Computer Device

Manufacturing Apparatus of Optical Circuit and Manufacturing Method...

Probe Card and Method of Manufacturing Thereof

Photomask, Optical-Waveguide, Optical Circuit and Method of Manufac...

Optical Waveguide

Optical Waveguide

Optical Module and Manufacturing Method Thereof

Optical Signal Processing Apparatus

Optical Signal Processing Apparatus

Optical Signal Processing Apparatus and Manufacturing Method Thereof

Optical Connection Structure

Optical Circuit and Optical Connection Structure

Optical Module

Optical Signal Processing Device and Method For Controlling Same

Optical Fiber Connection Component and Optical Device Manufacturing...

Optical Module

Optical Fiber Guide Component, Optical Connection Structure and Met...

Variable Wavelength Filter

Planar-Lightwave-Type Optical Device