Kiyohiko Takahashi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Radio wave feature value computation apparatus, radio wave emission...
- Patent number 11,881,970
- Issue date Jan 23, 2024
- NEC Corporation
- Kiyohiko Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulation format estimation device, and modulation format estimati...
- Patent number 11,700,163
- Issue date Jul 11, 2023
- NEC Corporation
- Kiyohiko Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power supply circuit, high-frequency power amplification circuit, a...
- Patent number 9,887,670
- Issue date Feb 6, 2018
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power supply circuits
- Patent number 9,354,653
- Issue date May 31, 2016
- NEC Corporation
- Kiyohiko Takahashi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Power amplifier, radio-frequency power amplification device, and am...
- Patent number 9,065,393
- Issue date Jun 23, 2015
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power supply circuit and power supply control method
- Patent number 8,975,958
- Issue date Mar 10, 2015
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier and radio wave transmitter having the same
- Patent number 8,254,496
- Issue date Aug 28, 2012
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 7,965,140
- Issue date Jun 21, 2011
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifying apparatus
- Patent number 7,696,818
- Issue date Apr 13, 2010
- NEC Corporation
- Kazuaki Kunihiro
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
RADIO WAVE FEATURE VALUE COMPUTATION APPARATUS, RADIO WAVE EMISSION...
- Publication number 20230171131
- Publication date Jun 1, 2023
- NEC Corporation
- Kiyohiko Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULATION FORMAT ESTIMATION DEVICE, AND MODULATION FORMAT ESTIMATI...
- Publication number 20220070046
- Publication date Mar 3, 2022
- NEC Corporation
- Kiyohiko TAKAHASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER SUPPLY CIRCUIT, HIGH-FREQUENCY POWER AMPLIFICATION CIRCUIT, A...
- Publication number 20160254786
- Publication date Sep 1, 2016
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER SUPPLY CIRCUITS
- Publication number 20140028279
- Publication date Jan 30, 2014
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER SUPPLY CIRCUIT AND POWER SUPPLY CONTROL METHOD
- Publication number 20130241658
- Publication date Sep 19, 2013
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER AMPLIFIER, RADIO-FREQUENCY POWER AMPLIFICATION DEVICE, AND AM...
- Publication number 20130194037
- Publication date Aug 1, 2013
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER AMPLIFYING DEVICES
- Publication number 20110254622
- Publication date Oct 20, 2011
- Kazuaki Kunihiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER AMPLIFIER AND RADIO WAVE TRANSMITTER HAVING THE SAME
- Publication number 20100266066
- Publication date Oct 21, 2010
- NEC Corporation
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER AMPLIFIER
- Publication number 20100019840
- Publication date Jan 28, 2010
- Kiyohiko Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFYING APPARATUS
- Publication number 20080258831
- Publication date Oct 23, 2008
- NEC Corporation
- Kazuaki KUNIHIRO
- H03 - BASIC ELECTRONIC CIRCUITRY

Kiyohiko Takahashi

Person

Patents Grantslast 30 patents

Radio wave feature value computation apparatus, radio wave emission...

Modulation format estimation device, and modulation format estimati...

Power supply circuit, high-frequency power amplification circuit, a...

Power supply circuits

Power amplifier, radio-frequency power amplification device, and am...

Power supply circuit and power supply control method

Power amplifier and radio wave transmitter having the same

Power amplifier

Amplifying apparatus

Patents Applicationslast 30 patents

RADIO WAVE FEATURE VALUE COMPUTATION APPARATUS, RADIO WAVE EMISSION...

MODULATION FORMAT ESTIMATION DEVICE, AND MODULATION FORMAT ESTIMATI...

POWER SUPPLY CIRCUIT, HIGH-FREQUENCY POWER AMPLIFICATION CIRCUIT, A...

POWER SUPPLY CIRCUITS

POWER SUPPLY CIRCUIT AND POWER SUPPLY CONTROL METHOD

POWER AMPLIFIER, RADIO-FREQUENCY POWER AMPLIFICATION DEVICE, AND AM...

POWER AMPLIFYING DEVICES

POWER AMPLIFIER AND RADIO WAVE TRANSMITTER HAVING THE SAME

POWER AMPLIFIER

AMPLIFYING APPARATUS