Kazuhito Takei

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Arithmetic circuit for performing product-sum arithmetic
- Patent number 11,494,165
- Issue date Nov 8, 2022
- NTT Electronics Corporation
- Kenji Kawai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Arithmetic circuit
- Patent number 11,360,741
- Issue date Jun 14, 2022
- NTT Electronics Corporation
- Kenji Kawai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Processing equipment and remote management system
- Patent number 10,685,095
- Issue date Jun 16, 2020
- NTT Electronics Corporation
- Etsushi Yamazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmission characteristic compensation apparatus, transmission ch...
- Patent number 10,608,743
- Issue date Mar 31, 2020
- NTT Electronics Corporation
- Tomohiro Takamuku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase compensation device, phase compensation method and communicat...
- Patent number 10,419,127
- Issue date Sep 17, 2019
- NTT Electronics Corporation
- Etsushi Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission distortion compensation device, optical transm...
- Patent number 10,374,718
- Issue date Aug 6, 2019
- NTT Electronics Corporation
- Yasuharu Onuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data phase tracking device, data phase tracking method and communic...
- Patent number 10,305,675
- Issue date May 28, 2019
- NTT Electronics Corporation
- Yasuharu Onuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data processor, data processing method and communication device
- Patent number 10,128,818
- Issue date Nov 13, 2018
- NTT Electronics Corporation
- Yasuharu Onuma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital signal processing device and optical transceiver apparatus
- Patent number 10,122,465
- Issue date Nov 6, 2018
- NTT Electronics Corporation
- Osamu Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical digital transmission system
- Patent number 8,571,037
- Issue date Oct 29, 2013
- Nippon Telegraph and Telephone Corporation
- Shigeki Aisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital transmission system and digital transmission method
- Patent number 8,514,881
- Issue date Aug 20, 2013
- Nippon Telegraph and Telephone Corporation
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal generating method for clock recovery and clock recovery circuit
- Patent number 8,406,360
- Issue date Mar 26, 2013
- NTT Electronics Corporation
- Yasuyuki Endoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and method
- Patent number 8,135,285
- Issue date Mar 13, 2012
- NTT Electronics Corporation
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ARITHMETIC CIRCUIT
- Publication number 20220100472
- Publication date Mar 31, 2022
- NTT Electronics Corporation
- Kenji KAWAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ARITHMETIC CIRCUIT
- Publication number 20210064342
- Publication date Mar 4, 2021
- NTT ELECTRONICS CORPORATION
- Kenji KAWAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ARITHMETIC CIRCUIT
- Publication number 20210064340
- Publication date Mar 4, 2021
- NTT ELECTRONICS CORPORATION
- Kenji KAWAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL TRANSMISSION DISTORTION COMPENSATION DEVICE, OPTICAL TRANSM...
- Publication number 20190132051
- Publication date May 2, 2019
- NTT ELECTRONICS CORPORATION
- Yasuharu ONUMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION CHARACTERISTIC COMPENSATION APPARATUS, TRANSMISSION CH...
- Publication number 20190074903
- Publication date Mar 7, 2019
- NTT ELECTRONICS CORPORATION
- Tomohiro TAKAMUKU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE COMPENSATION DEVICE, PHASE COMPENSATION METHOD AND COMMUNICAT...
- Publication number 20190074909
- Publication date Mar 7, 2019
- NTT ELECTRONICS CORPORATION
- Etsushi YAMAZAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA PHASE TRACKING DEVICE, DATA PHASE TRACKING METHOD AND COMMUNIC...
- Publication number 20180302211
- Publication date Oct 18, 2018
- NTT ELECTRONICS CORPORATION
- Yasuharu ONUMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DATA PROCESSOR, DATA PROCESSING METHOD AND COMMUNICATION DEVICE
- Publication number 20180175830
- Publication date Jun 21, 2018
- NTT ELECTRONICS CORPORATION
- Yasuharu ONUMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL SIGNAL PROCESSING DEVICE AND OPTICAL TRANSCEIVER APPARATUS
- Publication number 20180152247
- Publication date May 31, 2018
- NTT ELECTRONICS CORPORATION
- Osamu ISHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROCESSING EQUIPMENT AND REMOTE MANAGEMENT SYSTEM
- Publication number 20180068095
- Publication date Mar 8, 2018
- NTT ELECTRONICS CORPORATION
- Etsushi YAMAZAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL DIGITAL TRANSMISSION SYSTEM
- Publication number 20110262136
- Publication date Oct 27, 2011
- NTT ELECTRONICS CORPORATION
- Shigeki Aisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL GENERATING METHOD FOR CLOCK RECOVERY AND CLOCK RECOVERY CIRCUIT
- Publication number 20110063001
- Publication date Mar 17, 2011
- Yasuyuki Endoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL TRANSMISSION SYSTEM AND DIGITAL TRANSMISSION METHOD
- Publication number 20100080245
- Publication date Apr 1, 2010
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND METHOD
- Publication number 20090162061
- Publication date Jun 25, 2009
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazuhito Takei

Person

Patents Grantslast 30 patents

Arithmetic circuit for performing product-sum arithmetic

Arithmetic circuit

Processing equipment and remote management system

Transmission characteristic compensation apparatus, transmission ch...

Phase compensation device, phase compensation method and communicat...

Optical transmission distortion compensation device, optical transm...

Data phase tracking device, data phase tracking method and communic...

Data processor, data processing method and communication device

Digital signal processing device and optical transceiver apparatus

Optical digital transmission system

Digital transmission system and digital transmission method

Signal generating method for clock recovery and clock recovery circuit

Optical transmission system and method

Patents Applicationslast 30 patents

ARITHMETIC CIRCUIT

ARITHMETIC CIRCUIT

ARITHMETIC CIRCUIT

OPTICAL TRANSMISSION DISTORTION COMPENSATION DEVICE, OPTICAL TRANSM...

TRANSMISSION CHARACTERISTIC COMPENSATION APPARATUS, TRANSMISSION CH...

PHASE COMPENSATION DEVICE, PHASE COMPENSATION METHOD AND COMMUNICAT...

DATA PHASE TRACKING DEVICE, DATA PHASE TRACKING METHOD AND COMMUNIC...

DATA PROCESSOR, DATA PROCESSING METHOD AND COMMUNICATION DEVICE

DIGITAL SIGNAL PROCESSING DEVICE AND OPTICAL TRANSCEIVER APPARATUS

PROCESSING EQUIPMENT AND REMOTE MANAGEMENT SYSTEM

OPTICAL DIGITAL TRANSMISSION SYSTEM

SIGNAL GENERATING METHOD FOR CLOCK RECOVERY AND CLOCK RECOVERY CIRCUIT

DIGITAL TRANSMISSION SYSTEM AND DIGITAL TRANSMISSION METHOD

OPTICAL TRANSMISSION SYSTEM AND METHOD