Yohei Koganei

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication device for transmitting data by using multilevel codi...
- Patent number 11,770,289
- Issue date Sep 26, 2023
- Fujitsu Limited
- Toshihiro Konno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing device and transmission device
- Patent number 11,711,247
- Issue date Jul 25, 2023
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encoding device, decoding device, and transmission device
- Patent number 11,552,711
- Issue date Jan 10, 2023
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encoding circuit, decoding circuit, encoding method, and decoding m...
- Patent number 11,418,284
- Issue date Aug 16, 2022
- Fujitsu Limited
- Yohei Koganei
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Encoding circuit, decoding circuit, and encoding method
- Patent number 11,283,542
- Issue date Mar 22, 2022
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and error correction method
- Patent number 10,623,137
- Issue date Apr 14, 2020
- Fujitsu Limited
- Yohei Koganei
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical transmission system, optical transmission apparatus, and op...
- Patent number 9,825,731
- Issue date Nov 21, 2017
- Fujitsu Limited
- Taizo Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, receiving device, and semiconductor device
- Patent number 9,467,318
- Issue date Oct 11, 2016
- Fujitsu Limited
- Daijiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, receiving device, and semiconductor device
- Patent number 9,438,461
- Issue date Sep 6, 2016
- Fujitsu Limited
- Daijiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error correction apparatus and error correction method
- Patent number 8,839,070
- Issue date Sep 16, 2014
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and method for controlling variable...
- Patent number 8,705,984
- Issue date Apr 22, 2014
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and optical transmission method
- Patent number 8,705,974
- Issue date Apr 22, 2014
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controlling apparatus for optical amplifier and controlling method...
- Patent number 7,388,711
- Issue date Jun 17, 2008
- Fujitsu Limited
- Masato Oota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controlling apparatus for optical amplifier and controlling method...
- Patent number 7,158,290
- Issue date Jan 2, 2007
- Fujitsu Limited
- Masato Oota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ENCODER CIRCUIT, DECODER CIRCUIT, ENCODING METHOD, AND DECODING MET...
- Publication number 20230170920
- Publication date Jun 1, 2023
- Fujitsu Limited
- Yohei KOGANEI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SIGNAL PROCESSING DEVICE AND TRANSMISSION DEVICE
- Publication number 20230069705
- Publication date Mar 2, 2023
- Fujitsu Limited
- Yohei KOGANEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCODING DEVICE, DECODING DEVICE, AND TRANSMISSION DEVICE
- Publication number 20220077937
- Publication date Mar 10, 2022
- Fujitsu Limited
- Yohei KOGANEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE FOR TRANSMITTING DATA BY USING MULTILEVEL CODI...
- Publication number 20220038327
- Publication date Feb 3, 2022
- Fujitsu Limited
- Toshihiro Konno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCODING CIRCUIT, DECODING CIRCUIT, AND ENCODING METHOD
- Publication number 20210218496
- Publication date Jul 15, 2021
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCODING CIRCUIT, DECODING CIRCUIT, ENCODING METHOD, AND DECODING M...
- Publication number 20200366408
- Publication date Nov 19, 2020
- Fujitsu Limited
- Yohei Koganei
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTICAL COMMUNICATION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND O...
- Publication number 20200266888
- Publication date Aug 20, 2020
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND ERROR CORRECTION METHOD
- Publication number 20190052401
- Publication date Feb 14, 2019
- Fujitsu Limited
- Yohei KOGANEI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ERROR CORRECTION METHOD, SEMICONDUCTOR DEVICE, TRANSMISSION AND REC...
- Publication number 20160336965
- Publication date Nov 17, 2016
- Fujitsu Limited
- Yohei KOGANEI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS, AND OP...
- Publication number 20160261368
- Publication date Sep 8, 2016
- Fujitsu Limited
- Taizo MAEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, RECEIVING DEVICE, AND SEMICONDUCTOR DEVICE
- Publication number 20150295747
- Publication date Oct 15, 2015
- FUJITSU LIMITED
- Daijiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, RECEIVING DEVICE, AND SEMICONDUCTOR DEVICE
- Publication number 20150295740
- Publication date Oct 15, 2015
- FUJITSU LIMITED
- Daijiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ERROR CORRECTION APPARATUS AND ERROR CORRECTION METHOD
- Publication number 20120254702
- Publication date Oct 4, 2012
- Fujitsu Limited
- Yohei KOGANEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
- Publication number 20120219282
- Publication date Aug 30, 2012
- FUJITSU LIMITED
- Yohei KOGANEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK RECOVERY APPARATUS AND METHOD
- Publication number 20090245292
- Publication date Oct 1, 2009
- FUJITSU LIMITED
- Yohei KOGANEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND METHOD FOR CONTROLLING VARIABLE...
- Publication number 20090162022
- Publication date Jun 25, 2009
- FUJITSU LIMITED
- Yohei KOGANEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Controlling apparatus for optical amplifier and controlling method...
- Publication number 20070070492
- Publication date Mar 29, 2007
- Fujitsu Limited
- Masato Oota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Controlling apparatus for optical amplifier and controlling method...
- Publication number 20050116147
- Publication date Jun 2, 2005
- FUJITSU LIMITED
- Masato Oota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yohei Koganei

Person

Patents Grantslast 30 patents

Communication device for transmitting data by using multilevel codi...

Signal processing device and transmission device

Encoding device, decoding device, and transmission device

Encoding circuit, decoding circuit, encoding method, and decoding m...

Encoding circuit, decoding circuit, and encoding method

Transmission apparatus and error correction method

Optical transmission system, optical transmission apparatus, and op...

Communication system, receiving device, and semiconductor device

Communication system, receiving device, and semiconductor device

Error correction apparatus and error correction method

Optical transmission apparatus and method for controlling variable...

Optical transmission system and optical transmission method

Controlling apparatus for optical amplifier and controlling method...

Controlling apparatus for optical amplifier and controlling method...

Patents Applicationslast 30 patents

ENCODER CIRCUIT, DECODER CIRCUIT, ENCODING METHOD, AND DECODING MET...

SIGNAL PROCESSING DEVICE AND TRANSMISSION DEVICE

ENCODING DEVICE, DECODING DEVICE, AND TRANSMISSION DEVICE

COMMUNICATION DEVICE FOR TRANSMITTING DATA BY USING MULTILEVEL CODI...

ENCODING CIRCUIT, DECODING CIRCUIT, AND ENCODING METHOD

ENCODING CIRCUIT, DECODING CIRCUIT, ENCODING METHOD, AND DECODING M...

OPTICAL COMMUNICATION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND O...

TRANSMISSION APPARATUS AND ERROR CORRECTION METHOD

ERROR CORRECTION METHOD, SEMICONDUCTOR DEVICE, TRANSMISSION AND REC...

OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS, AND OP...

COMMUNICATION SYSTEM, RECEIVING DEVICE, AND SEMICONDUCTOR DEVICE

COMMUNICATION SYSTEM, RECEIVING DEVICE, AND SEMICONDUCTOR DEVICE

ERROR CORRECTION APPARATUS AND ERROR CORRECTION METHOD

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD

CLOCK RECOVERY APPARATUS AND METHOD

OPTICAL TRANSMISSION APPARATUS AND METHOD FOR CONTROLLING VARIABLE...

Controlling apparatus for optical amplifier and controlling method...

Controlling apparatus for optical amplifier and controlling method...