Keiju Ito

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Autonomous radiation pattern generation antenna control device, con...
- Patent number 11,876,301
- Issue date Jan 16, 2024
- Hitachi Kokusai Electric Inc.
- Satoru Yasui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automatic gain control device
- Patent number 9,059,671
- Issue date Jun 16, 2015
- Hitachi Kokusai Electric Inc.
- Keiju Ito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital transmission apparatus
- Patent number 8,135,089
- Issue date Mar 13, 2012
- Hitachi Kokusai Electric Inc.
- Keiju Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Supply voltage control device for amplifier
- Patent number 7,978,008
- Issue date Jul 12, 2011
- Hitachi Kokusai Electric Inc.
- Keiju Ito
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
AUTONOMOUS RADIATION PATTERN GENERATION ANTENNA CONTROL DEVICE, CON...
- Publication number 20210135357
- Publication date May 6, 2021
- Hitachi Kokusai Electric Inc.
- Satoru YASUI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUTOMATIC GAIN CONTROL DEVICE
- Publication number 20130342276
- Publication date Dec 26, 2013
- Hitachi Kokusai Electric Inc.
- Keiju Ito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SUPPLY VOLTAGE CONTROL DEVICE FOR AMPLIFIER
- Publication number 20110050337
- Publication date Mar 3, 2011
- Keiju Ito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL TRANSMISSION APPARATUS
- Publication number 20090225896
- Publication date Sep 10, 2009
- Hitachi Kokusai Electric Inc.
- Keiju ITO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE