Kengo Takata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Excitation light source apparatus and optical transmission system
- Patent number 11,165,501
- Issue date Nov 2, 2021
- Mitsubishi Electric Corporation
- Katsunori Imanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal light interruption detection device, optical amplifier, opti...
- Patent number 11,128,380
- Issue date Sep 21, 2021
- Mitsubishi Electric Corporation
- Kanehiro Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission line switching apparatus, optical transmission...
- Patent number 10,708,676
- Issue date Jul 7, 2020
- Mitsubishi Electric Corporation
- Shun Chikamori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Excitation light source device and optical transmission system
- Patent number 9,831,953
- Issue date Nov 28, 2017
- Mitsubishi Electric Corporation
- Katsunori Imanishi
- G02 - OPTICS
Information Patent Grant
Input buffer circuit having function of canceling offset voltage
- Patent number 6,873,209
- Issue date Mar 29, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Kengo Takata
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION LINE SWITCHING APPARATUS, OPTICAL TRANSMISSION...
- Publication number 20200059711
- Publication date Feb 20, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Shun CHIKAMORI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXCITATION LIGHT SOURCE APPARATUS AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20200044741
- Publication date Feb 6, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Katsunori IMANISHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIGNAL LIGHT INTERRUPTION DETECTION DEVICE, OPTICAL AMPLIFIER, OPTI...
- Publication number 20190028202
- Publication date Jan 24, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Kanehiro MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXCITATION LIGHT SOURCE DEVICE AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20160218809
- Publication date Jul 28, 2016
- MITSUBISHI ELECTRIC CORPORATION
- Katsunori IMANISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Input buffer circuit having function of canceling offset voltage
- Publication number 20040227572
- Publication date Nov 18, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Kengo Takata
- H03 - BASIC ELECTRONIC CIRCUITRY