Haruki Ogoshi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light source for Raman amplification, light source system for Raman...
- Patent number 11,652,329
- Issue date May 16, 2023
- Furukawa Electric Co., Ltd.
- Haruki Ogoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light source for Raman amplification, light source system for Raman...
- Patent number 10,938,175
- Issue date Mar 2, 2021
- Furukawa Electric Co., Ltd.
- Haruki Ogoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplifier
- Patent number 6,411,430
- Issue date Jun 25, 2002
- The Furukawa Electric Co., Ltd.
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter
- Patent number 6,333,803
- Issue date Dec 25, 2001
- The Furukawa Electric Co., Ltd.
- Katsuya Kurotori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical filter, manufacturing method thereof, and optical amplifier...
- Patent number 6,198,570
- Issue date Mar 6, 2001
- The Furukawa Electric Co., Ltd.
- Masaru Fukushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-output and low-noise optical fiber amplifier
- Patent number 6,028,698
- Issue date Feb 22, 2000
- The Furukawa Electric Co., Ltd.
- Haruki Ogoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical filter, manufacturing method thereof and optical amplifier...
- Patent number 5,933,552
- Issue date Aug 3, 1999
- The Furukawa Electric Co., Ltd.
- Masaru Fukushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Er-doped optical fiber amplifier
- Patent number 5,883,736
- Issue date Mar 16, 1999
- The Furukawa Electric Co., Ltd.
- Isamu Oshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical telecommunications system
- Patent number 5,808,768
- Issue date Sep 15, 1998
- The Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for polarized optical telecommunications using...
- Patent number 5,379,357
- Issue date Jan 3, 1995
- The Furukawa Electric Co., Ltd.
- Shintaro Sentsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for identifying an optical transmission medium
- Patent number 5,202,746
- Issue date Apr 13, 1993
- The Furukawa Electric Co., Ltd.
- Shintaro Sentsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

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
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
LIGHT SOURCE FOR RAMAN AMPLIFICATION, LIGHT SOURCE SYSTEM FOR RAMAN...
- Publication number 20210184419
- Publication date Jun 17, 2021
- FURUKAWA ELECTRIC CO., LTD.
- Haruki OGOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT SOURCE FOR RAMAN AMPLIFICATION, LIGHT SOURCE SYSTEM FOR RAMAN...
- Publication number 20180123311
- Publication date May 3, 2018
- FURUKAWA ELECTRIC CO., LTD.
- Haruki OGOSHI
- H01 - BASIC ELECTRIC ELEMENTS

Haruki Ogoshi

Person

Patents Grantslast 30 patents

Light source for Raman amplification, light source system for Raman...

Light source for Raman amplification, light source system for Raman...

Optical amplifier

Optical transmitter

Optical filter, manufacturing method thereof, and optical amplifier...

High-output and low-noise optical fiber amplifier

Optical filter, manufacturing method thereof and optical amplifier...

Er-doped optical fiber amplifier

Optical telecommunications system

Method and apparatus for polarized optical telecommunications using...

Method and apparatus for identifying an optical transmission medium

Patents Applicationslast 30 patents

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

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

LIGHT SOURCE FOR RAMAN AMPLIFICATION, LIGHT SOURCE SYSTEM FOR RAMAN...

LIGHT SOURCE FOR RAMAN AMPLIFICATION, LIGHT SOURCE SYSTEM FOR RAMAN...