Keiichi Motoi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication device
- Patent number 11,862,862
- Issue date Jan 2, 2024
- NEC Corporation
- Keiichi Motoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polarized wave shared array antenna and method for manufacturing th...
- Patent number 11,469,524
- Issue date Oct 11, 2022
- NEC Corporation
- Naoki Oshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Processing device, processing method, processing program and calibr...
- Patent number 11,411,663
- Issue date Aug 9, 2022
- NEC Corporation
- Keiichi Motoi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase adjustment circuit and array antenna device
- Patent number 10,998,627
- Issue date May 4, 2021
- NEC Corporation
- Kenichi Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filter circuit and frequency switching method
- Patent number 10,629,977
- Issue date Apr 21, 2020
- NEC Corporation
- Keiichi Motoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filter circuit and frequency switching method
- Patent number 10,381,701
- Issue date Aug 13, 2019
- NEC Corporation
- Keiichi Motoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transmitter, signal synthesis circuit, and signal synthesis method
- Patent number 10,044,379
- Issue date Aug 7, 2018
- NEC Corporation
- Keiichi Motoi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmitter and transmission method
- Patent number 9,793,862
- Issue date Oct 17, 2017
- NEC Corporation
- Keiichi Motoi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmitter, signal-synthesizing circuit, and signal-synthesizing m...
- Patent number 9,319,255
- Issue date Apr 19, 2016
- NEC Corporation
- Keiichi Motoi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FILTER AND ANTENNA MODULE
- Publication number 20240106099
- Publication date Mar 28, 2024
- NEC Corporation
- Keiichi MOTOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMMUNICATION DEVICE
- Publication number 20210344124
- Publication date Nov 4, 2021
- NEC Corporation
- Keiichi MOTOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLARIZED WAVE SHARED ARRAY ANTENNA AND METHOD FOR MANUFACTURING TH...
- Publication number 20210098895
- Publication date Apr 1, 2021
- NEC Corporation
- Naoki OSHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESSING DEVICE, PROCESSING METHOD, PROCESSING PROGRAM AND CALIBR...
- Publication number 20200274627
- Publication date Aug 27, 2020
- NEC Corporation
- Keiichi MOTOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE ADJUSTMENT CIRCUIT AND ARRAY ANTENNA DEVICE
- Publication number 20200266538
- Publication date Aug 20, 2020
- NEC Corporation
- Kenichi OKADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILTER CIRCUIT AND FREQUENCY SWITCHING METHOD
- Publication number 20190020092
- Publication date Jan 17, 2019
- NEC Corporation
- Keiichi MOTOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILTER CIRCUIT AND FREQUENCY SWITCHING METHOD
- Publication number 20180115033
- Publication date Apr 26, 2018
- NEC Corporation
- Keiichi MOTOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSMITTER, SIGNAL SYNTHESIS CIRCUIT, AND SIGNAL SYNTHESIS METHOD
- Publication number 20170317697
- Publication date Nov 2, 2017
- NEC Corporation
- Keiichi MOTOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTER AND TRANSMISSION METHOD
- Publication number 20170104456
- Publication date Apr 13, 2017
- NEC Corporation
- Keiichi Motoi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTER, SIGNAL-SYNTHESIZING CIRCUIT, AND SIGNAL-SYNTHESIZING M...
- Publication number 20150222461
- Publication date Aug 6, 2015
- NEC Corporation
- Keiichi Motoi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Keiichi Motoi

Person

Patents Grantslast 30 patents

Communication device

Polarized wave shared array antenna and method for manufacturing th...

Processing device, processing method, processing program and calibr...

Phase adjustment circuit and array antenna device

Filter circuit and frequency switching method

Filter circuit and frequency switching method

Transmitter, signal synthesis circuit, and signal synthesis method

Transmitter and transmission method

Transmitter, signal-synthesizing circuit, and signal-synthesizing m...

Patents Applicationslast 30 patents

FILTER AND ANTENNA MODULE

COMMUNICATION DEVICE

POLARIZED WAVE SHARED ARRAY ANTENNA AND METHOD FOR MANUFACTURING TH...

PROCESSING DEVICE, PROCESSING METHOD, PROCESSING PROGRAM AND CALIBR...

PHASE ADJUSTMENT CIRCUIT AND ARRAY ANTENNA DEVICE

FILTER CIRCUIT AND FREQUENCY SWITCHING METHOD

FILTER CIRCUIT AND FREQUENCY SWITCHING METHOD

TRANSMITTER, SIGNAL SYNTHESIS CIRCUIT, AND SIGNAL SYNTHESIS METHOD

TRANSMITTER AND TRANSMISSION METHOD

TRANSMITTER, SIGNAL-SYNTHESIZING CIRCUIT, AND SIGNAL-SYNTHESIZING M...