Yoshito Kachita

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmission system and optical transmission device
- Patent number 11,990,988
- Issue date May 21, 2024
- Fujitsu Limited
- Naoki Ainaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and receiving device
- Patent number 11,909,515
- Issue date Feb 20, 2024
- Fujitsu Limited
- Tomoaki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system, transmission device, and transmission method
- Patent number 11,228,375
- Issue date Jan 18, 2022
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier, optical transmission apparatus, and optical repe...
- Patent number 9,887,778
- Issue date Feb 6, 2018
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission system
- Patent number 9,813,183
- Issue date Nov 7, 2017
- Fujitsu Limited
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and optical signal processing method
- Patent number 9,742,500
- Issue date Aug 22, 2017
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switchable optical amplifier and optical transmission apparatus
- Patent number 9,699,531
- Issue date Jul 4, 2017
- Fujitsu Limited
- Norifumi Shukunami
- G02 - OPTICS
Information Patent Grant
Optical amplifier with loss adjustment unit based on gain
- Patent number 9,520,694
- Issue date Dec 13, 2016
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplification apparatus, optical transmission apparatus, an...
- Patent number 9,391,421
- Issue date Jul 12, 2016
- Fujitsu Limited
- Satoru Okano
- G02 - OPTICS
Information Patent Grant
Packet transmission device and packet transmission method
- Patent number 8,599,693
- Issue date Dec 3, 2013
- Fujitsu Limited
- Tsutomu Noguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplex signal monitoring system and waveleng...
- Patent number 8,068,730
- Issue date Nov 29, 2011
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RAMAN AMPLIFICATION DEVICE AND RAMAN AMPLIFICATION METHOD
- Publication number 20240405869
- Publication date Dec 5, 2024
- Fujitsu Limited
- Yusaku YAMAMOTO
- G08 - SIGNALLING
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION DEVICE, AND OPTIC...
- Publication number 20240106557
- Publication date Mar 28, 2024
- Fujitsu Limited
- Akihiro MUKAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND RECEIVING DEVICE
- Publication number 20230239066
- Publication date Jul 27, 2023
- Fujitsu Limited
- Tomoaki WATANABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION DEVICE
- Publication number 20220385390
- Publication date Dec 1, 2022
- Fujitsu Limited
- Naoki AINAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
- Publication number 20200106531
- Publication date Apr 2, 2020
- Fujitsu Limited
- Yoshito KACHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION LOSS MEASUREMENT DEVICE, TRANSMISSION LOSS MEASUREMENT...
- Publication number 20170005727
- Publication date Jan 5, 2017
- Fujitsu Limited
- Yoshito KACHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL SIGNAL PROCESSING METHOD
- Publication number 20160315709
- Publication date Oct 27, 2016
- Fujitsu Limited
- Yoshito KACHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER, OPTICAL TRANSMISSION APPARATUS, AND OPTICAL REPE...
- Publication number 20160315708
- Publication date Oct 27, 2016
- Fujitsu Limited
- Yoshito Kachita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHABLE OPTICAL AMPLIFIER AND OPTICAL TRANSMISSION APPARATUS
- Publication number 20160192043
- Publication date Jun 30, 2016
- Fujitsu Limited
- Norifumi SHUKUNAMI
- G02 - OPTICS
Information Patent Application
OPTICAL AMPLIFICATION APPARATUS, OPTICAL TRANSMISSION APPARATUS, AN...
- Publication number 20160094007
- Publication date Mar 31, 2016
- Fujitsu Limited
- SATORU OKANO
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20160094307
- Publication date Mar 31, 2016
- FUJITSU LIMITED
- Kentaro NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFIER
- Publication number 20150280391
- Publication date Oct 1, 2015
- Fujitsu Limited
- Yoshito KACHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PACKET TRANSMISSION DEVICE AND PACKET TRANSMISSION METHOD
- Publication number 20110128847
- Publication date Jun 2, 2011
- Fujitsu Limited
- Tsutomu Noguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplex signal monitoring system and waveleng...
- Publication number 20090041456
- Publication date Feb 12, 2009
- FUJITSU LIMITED
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshito Kachita

Person

Patents Grantslast 30 patents

Optical transmission system and optical transmission device

Optical transmission system and receiving device

Transmission system, transmission device, and transmission method

Optical amplifier, optical transmission apparatus, and optical repe...

Optical transmission device and optical transmission system

Optical transmission apparatus and optical signal processing method

Switchable optical amplifier and optical transmission apparatus

Optical amplifier with loss adjustment unit based on gain

Optical amplification apparatus, optical transmission apparatus, an...

Packet transmission device and packet transmission method

Wavelength division multiplex signal monitoring system and waveleng...

Patents Applicationslast 30 patents

RAMAN AMPLIFICATION DEVICE AND RAMAN AMPLIFICATION METHOD

OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION DEVICE, AND OPTIC...

OPTICAL TRANSMISSION SYSTEM AND RECEIVING DEVICE

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION DEVICE

TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD

TRANSMISSION LOSS MEASUREMENT DEVICE, TRANSMISSION LOSS MEASUREMENT...

OPTICAL TRANSMISSION APPARATUS AND OPTICAL SIGNAL PROCESSING METHOD

OPTICAL AMPLIFIER, OPTICAL TRANSMISSION APPARATUS, AND OPTICAL REPE...

SWITCHABLE OPTICAL AMPLIFIER AND OPTICAL TRANSMISSION APPARATUS

OPTICAL AMPLIFICATION APPARATUS, OPTICAL TRANSMISSION APPARATUS, AN...

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM

OPTICAL AMPLIFIER

PACKET TRANSMISSION DEVICE AND PACKET TRANSMISSION METHOD

Wavelength division multiplex signal monitoring system and waveleng...