Shigehiro Takasaka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber bundle structure, optical connector, optical fiber co...
- Patent number 12,222,541
- Issue date Feb 11, 2025
- Furukawa Electric Co., Ltd.
- Kohei Kawasaki
- G02 - OPTICS
Information Patent Grant
Optical fiber bundle structure, optical connector, optical fiber co...
- Patent number 12,204,141
- Issue date Jan 21, 2025
- Furukawa Electric Co., Ltd.
- Kohei Kawasaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber bundle structure, optical connector, optical fiber co...
- Patent number 11,940,649
- Issue date Mar 26, 2024
- Furukawa Electric Co., Ltd.
- Kohei Kawasaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cable, cable shape sensing system, sensing system, and cable shape...
- Patent number 11,519,759
- Issue date Dec 6, 2022
- Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- G01 - MEASURING TESTING
Information Patent Grant
Optical coupler and optical amplifier
- Patent number 11,073,656
- Issue date Jul 27, 2021
- Furukawa Electric Co., Ltd.
- Shigehiro Takasaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplifier, optical amplification system, wavelength convert...
- Patent number 10,816,873
- Issue date Oct 27, 2020
- Furukawa Electric Co., Ltd.
- Shigehiro Takasaka
- G02 - OPTICS
Information Patent Grant
Optical amplifier, optical amplifying system, wavelength converter,...
- Patent number 9,948,057
- Issue date Apr 17, 2018
- Furukawa Electric Co., Ltd.
- Shigehiro Takasaka
- G02 - OPTICS
Information Patent Grant
Multi-core optical amplifying fiber device and multi-core optical f...
- Patent number 9,722,388
- Issue date Aug 1, 2017
- Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- G02 - OPTICS
Information Patent Grant
Optical amplifier, optical amplifying system, wavelength converter,...
- Patent number 9,270,076
- Issue date Feb 23, 2016
- Furukawa Electric Co., Ltd.
- Shigehiro Takasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization independent wavelength converter and polarization inde...
- Patent number 8,873,898
- Issue date Oct 28, 2014
- Furukawa Electric Co., Ltd.
- Shigehiro Takasaka
- G02 - OPTICS
Information Patent Grant
Synchronous optical signal generating device and synchronous optica...
- Patent number 8,494,378
- Issue date Jul 23, 2013
- Japan Science and Technology Agency
- Shigehiro Takasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplex optical regeneration system and wavel...
- Patent number 8,059,966
- Issue date Nov 15, 2011
- The Furukawa Electric Co., Ltd.
- Koji Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lock detector and optical phase-locked loop system
- Patent number 7,715,725
- Issue date May 11, 2010
- Japan Science and Technology Agency
- Shigehiro Takasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RAMAN AMPLIFIER AND METHOD FOR DESIGNING RAMAN AMPLIFIER
- Publication number 20250023316
- Publication date Jan 16, 2025
- FURUKAWA ELECTRIC CO., LTD.
- Haruki OGOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT SOURCE, LIGHT SOURCE DEVICE, METHOD OF DRIVING LIGHT SOURCE,...
- Publication number 20240332884
- Publication date Oct 3, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Haruki OGOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...
- Publication number 20240151898
- Publication date May 9, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kohei KAWASAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...
- Publication number 20240142697
- Publication date May 2, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kohei KAWASAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
LASER DEVICE AND PROCESSING DEVICE
- Publication number 20240014622
- Publication date Jan 11, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL FIBER CONNECTION STRUCTURE,...
- Publication number 20230314700
- Publication date Oct 5, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Kengo WATANABE
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
LIGHT SOURCE, LIGHT SOURCE DEVICE, METHOD OF DRIVING LIGHT SOURCE,...
- Publication number 20230231629
- Publication date Jul 20, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Haruki OGOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFYING FIBER, OPTICAL FIBER AMPLIFIER, AND OPTICAL COMM...
- Publication number 20230123319
- Publication date Apr 20, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER AMPLIFICATION SYSTEM AND OPTICAL COMMUNICATION SYSTEM
- Publication number 20230038133
- Publication date Feb 9, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFYING FIBER, OPTICAL FIBER AMPLIFIER, AND OPTICAL COMM...
- Publication number 20230006410
- Publication date Jan 5, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-CORE OPTICAL AMPLIFYING FIBER, MULTI-CORE OPTICAL FIBER AMPLI...
- Publication number 20230003934
- Publication date Jan 5, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...
- Publication number 20220003924
- Publication date Jan 6, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Kohei KAWASAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL PROBE
- Publication number 20210186612
- Publication date Jun 24, 2021
- FURUKAWA ELECTRIC CO., LTD.
- Kengo WATANABE
- G02 - OPTICS
Information Patent Application
CABLE, CABLE SHAPE SENSING SYSTEM, SENSING SYSTEM, AND CABLE SHAPE...
- Publication number 20210116265
- Publication date Apr 22, 2021
- FURUKAWA ELECTRIC CO., LTD.
- Masateru TADAKUMA
- G02 - OPTICS
Information Patent Application
OPTICAL COUPLER AND OPTICAL AMPLIFIER
- Publication number 20200301066
- Publication date Sep 24, 2020
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFIER, OPTICAL AMPLIFICATION SYSTEM, WAVELENGTH CONVERT...
- Publication number 20180231870
- Publication date Aug 16, 2018
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- G02 - OPTICS
Information Patent Application
OPTICAL AMPLIFIER, OPTICAL AMPLIFYING SYSTEM, WAVELENGTH CONVERTER,...
- Publication number 20160172818
- Publication date Jun 16, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- G02 - OPTICS
Information Patent Application
MULTI-CORE OPTICAL AMPLIFYING FIBER DEVICE AND MULTI-CORE OPTICAL F...
- Publication number 20160118762
- Publication date Apr 28, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Masateru TADAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFIER, OPTICAL AMPLIFYING SYSTEM, WAVELENGTH CONVERTER,...
- Publication number 20140043674
- Publication date Feb 13, 2014
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- G02 - OPTICS
Information Patent Application
Polarization Independent Wavelength Converter And Polarization Inde...
- Publication number 20130101248
- Publication date Apr 25, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Shigehiro TAKASAKA
- G02 - OPTICS
Information Patent Application
WAVELENGTH DIVISION MULTIPLEX OPTICAL REGENERATION SYSTEM AND WAVEL...
- Publication number 20120027343
- Publication date Feb 2, 2012
- THE FURUKAWA ELECTRIC CO., LTD.
- Koji IGARASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYNCHRONOUS OPTICAL SIGNAL GENERATING DEVICE AND SYNCHRONOUS OPTICA...
- Publication number 20090208200
- Publication date Aug 20, 2009
- Japan Science and Technology Agency
- Shigehiro Takasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lock Detector and Optical Phase Locked-Loop System
- Publication number 20080272850
- Publication date Nov 6, 2008
- Japan Science and Technology Agency
- Shigehiro Takasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Shigehiro Takasaka

Person

Patents Grantslast 30 patents

Optical fiber bundle structure, optical connector, optical fiber co...

Optical fiber bundle structure, optical connector, optical fiber co...

Optical fiber bundle structure, optical connector, optical fiber co...

Cable, cable shape sensing system, sensing system, and cable shape...

Optical coupler and optical amplifier

Optical amplifier, optical amplification system, wavelength convert...

Optical amplifier, optical amplifying system, wavelength converter,...

Multi-core optical amplifying fiber device and multi-core optical f...

Optical amplifier, optical amplifying system, wavelength converter,...

Polarization independent wavelength converter and polarization inde...

Synchronous optical signal generating device and synchronous optica...

Wavelength division multiplex optical regeneration system and wavel...

Lock detector and optical phase-locked loop system

Patents Applicationslast 30 patents

RAMAN AMPLIFIER AND METHOD FOR DESIGNING RAMAN AMPLIFIER

LIGHT SOURCE, LIGHT SOURCE DEVICE, METHOD OF DRIVING LIGHT SOURCE,...

OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...

OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...

LASER DEVICE AND PROCESSING DEVICE

OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL FIBER CONNECTION STRUCTURE,...

LIGHT SOURCE, LIGHT SOURCE DEVICE, METHOD OF DRIVING LIGHT SOURCE,...

OPTICAL AMPLIFYING FIBER, OPTICAL FIBER AMPLIFIER, AND OPTICAL COMM...

OPTICAL FIBER AMPLIFICATION SYSTEM AND OPTICAL COMMUNICATION SYSTEM

OPTICAL AMPLIFYING FIBER, OPTICAL FIBER AMPLIFIER, AND OPTICAL COMM...

MULTI-CORE OPTICAL AMPLIFYING FIBER, MULTI-CORE OPTICAL FIBER AMPLI...

OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...

OPTICAL PROBE

CABLE, CABLE SHAPE SENSING SYSTEM, SENSING SYSTEM, AND CABLE SHAPE...

OPTICAL COUPLER AND OPTICAL AMPLIFIER

OPTICAL AMPLIFIER, OPTICAL AMPLIFICATION SYSTEM, WAVELENGTH CONVERT...

OPTICAL AMPLIFIER, OPTICAL AMPLIFYING SYSTEM, WAVELENGTH CONVERTER,...

MULTI-CORE OPTICAL AMPLIFYING FIBER DEVICE AND MULTI-CORE OPTICAL F...

OPTICAL AMPLIFIER, OPTICAL AMPLIFYING SYSTEM, WAVELENGTH CONVERTER,...

Polarization Independent Wavelength Converter And Polarization Inde...

WAVELENGTH DIVISION MULTIPLEX OPTICAL REGENERATION SYSTEM AND WAVEL...

SYNCHRONOUS OPTICAL SIGNAL GENERATING DEVICE AND SYNCHRONOUS OPTICA...

Lock Detector and Optical Phase Locked-Loop System