Eiichi Furukawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Waveguide unit, waveguide device, and connection method
- Patent number 10,951,258
- Issue date Mar 16, 2021
- NEC Corporation
- Eiichi Furukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide bandpass filter having a ladder shape metal plate and whi...
- Patent number 9,590,285
- Issue date Mar 7, 2017
- NEC Corporation
- Eiichi Furukawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Communication apparatus
- Patent number 9,166,278
- Issue date Oct 20, 2015
- NEC Corporation
- Eiichi Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WAVEGUIDE UNIT, WAVEGUIDE DEVICE, AND CONNECTION METHOD
- Publication number 20200177228
- Publication date Jun 4, 2020
- NEC Corporation
- Eiichi Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BANDPASS FILTER FOR WHICH BANDPASS FREQUENCY CAN BE EASILY CHANGED
- Publication number 20150155610
- Publication date Jun 4, 2015
- NEC Corporation
- Eiichi Furukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMMUNICATION APPARATUS
- Publication number 20130181872
- Publication date Jul 18, 2013
- NEC Corporation
- Eiichi Furukawa
- H01 - BASIC ELECTRIC ELEMENTS