Yoshinari Takigawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Junction device, and undersea cable system
- Patent number 11,994,728
- Issue date May 28, 2024
- NEC Corporation
- Yoshinari Takigawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated 3-way branching unit switch module having small footprint
- Patent number 11,888,583
- Issue date Jan 30, 2024
- NEC Corporation
- Fatih Yaman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Three-way branching unit switch module having small footprint
- Patent number 11,700,067
- Issue date Jul 11, 2023
- NEC Corporation
- Fatih Yaman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Submarine branching unit and submarine branching method
- Patent number 11,556,096
- Issue date Jan 17, 2023
- NEC Corporation
- Yoshinari Takigawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Submarine cable system, branching device, and state response method...
- Patent number 11,270,859
- Issue date Mar 8, 2022
- NEC Corporation
- Yoshinari Takigawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical add/drop device and optical add/drop method
- Patent number 10,530,470
- Issue date Jan 7, 2020
- NEC Corporation
- Yoshinari Takigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Grounding circuit and grounding method
- Patent number 10,404,382
- Issue date Sep 3, 2019
- NEC Corporation
- Yoshinari Takigawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Feed line switching apparatus, optical submarine branching apparatu...
- Patent number 9,660,457
- Issue date May 23, 2017
- NEC Corporation
- Yoshinari Takigawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR LAYING SUBMARINE CABLE SYSTEM
- Publication number 20240332926
- Publication date Oct 3, 2024
- NEC Corporation
- Yoshinari TAKIGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GROUNDING DEVICE, GROUNDING METHOD, AND PROGRAM RECORDING MEDIUM
- Publication number 20240039273
- Publication date Feb 1, 2024
- NEC Corporation
- Yoshinari TAKIGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SUBMARINE OPTICAL CABLE SYSTEM
- Publication number 20230308186
- Publication date Sep 28, 2023
- NEC Corporation
- Yoshinari TAKIGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
JUNCTION DEVICE, AND UNDERSEA CABLE SYSTEM
- Publication number 20220260797
- Publication date Aug 18, 2022
- NEC Corporation
- Yoshinari TAKIGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED 3-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT
- Publication number 20220182170
- Publication date Jun 9, 2022
- NEC Laboratories America, Inc.
- Fatih YAMAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
THREE-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT
- Publication number 20220085896
- Publication date Mar 17, 2022
- NEC Laboratories America, Inc.
- Fatih YAMAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBMARINE CABLE SYSTEM, BRANCHING DEVICE, AND STATE RESPONSE METHOD...
- Publication number 20210027960
- Publication date Jan 28, 2021
- NEC Corporation
- Yoshinari TAKIGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBMARINE BRANCHING UNIT AND SUBMARINE BRANCHING METHOD
- Publication number 20200257251
- Publication date Aug 13, 2020
- NEC Corporation
- Yoshinari TAKIGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GROUNDING CIRCUIT AND GROUNDING METHOD
- Publication number 20190044621
- Publication date Feb 7, 2019
- NEC Corporation
- Yoshinari TAKIGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ADD/DROP DEVICE AND OPTICAL ADD/DROP METHOD
- Publication number 20180219619
- Publication date Aug 2, 2018
- NEC Corporation
- Yoshinari TAKIGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEED LINE SWITCHING APPARATUS, OPTICAL SUBMARINE BRANCHING APPARATU...
- Publication number 20140103739
- Publication date Apr 17, 2014
- NEC Corporation
- Yoshinari Takigawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Yoshinari Takigawa

Person

Patents Grantslast 30 patents

Junction device, and undersea cable system

Integrated 3-way branching unit switch module having small footprint

Three-way branching unit switch module having small footprint

Submarine branching unit and submarine branching method

Submarine cable system, branching device, and state response method...

Optical add/drop device and optical add/drop method

Grounding circuit and grounding method

Feed line switching apparatus, optical submarine branching apparatu...

Patents Applicationslast 30 patents

METHOD FOR LAYING SUBMARINE CABLE SYSTEM

GROUNDING DEVICE, GROUNDING METHOD, AND PROGRAM RECORDING MEDIUM

SUBMARINE OPTICAL CABLE SYSTEM

JUNCTION DEVICE, AND UNDERSEA CABLE SYSTEM

INTEGRATED 3-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT

THREE-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT

SUBMARINE CABLE SYSTEM, BRANCHING DEVICE, AND STATE RESPONSE METHOD...

SUBMARINE BRANCHING UNIT AND SUBMARINE BRANCHING METHOD

GROUNDING CIRCUIT AND GROUNDING METHOD

OPTICAL ADD/DROP DEVICE AND OPTICAL ADD/DROP METHOD

FEED LINE SWITCHING APPARATUS, OPTICAL SUBMARINE BRANCHING APPARATU...