Takaya Maruyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Current amplifier
- Patent number 11,005,429
- Issue date May 11, 2021
- Mitsubishi Electric Corporation
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase shift precision calibration circuitry, vector sum phase shift...
- Patent number 10,530,338
- Issue date Jan 7, 2020
- Mitsubishi Electric Corporation
- Takaya Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polyphase filter and filter circuit
- Patent number 10,425,062
- Issue date Sep 24, 2019
- Mitsubishi Electric Corporation
- Atsushi Kato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transconductance amplifier and phase shifter
- Patent number 10,404,228
- Issue date Sep 3, 2019
- Mitsubishi Electric Corporation
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device for signal amplification
- Patent number 8,571,496
- Issue date Oct 29, 2013
- Renesas Electronics Corporation
- Masakazu Mizokami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device for signal amplification
- Patent number 8,320,854
- Issue date Nov 27, 2012
- Renesas Electronics Corporation
- Masakazu Mizokami
Information Patent Grant
Filter circuit and communication semiconductor device using the same
- Patent number 8,116,715
- Issue date Feb 14, 2012
- Renesas Electronics Corporation
- Tomohiro Sano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency mixer preventing degradation in linearity on amplitude of...
- Patent number 7,382,175
- Issue date Jun 3, 2008
- Renesas Technology Corp.
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain control circuit for controlling a gain in a variable gain cell
- Patent number 6,717,469
- Issue date Apr 6, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-stage signal amplifying circuit
- Patent number 6,313,704
- Issue date Nov 6, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Microwave circuit for phase shifting having voltage transforming me...
- Patent number 6,275,121
- Issue date Aug 14, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Yoshinobu Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gain control circuit for controlling operation of a variable-gain a...
- Patent number 6,144,233
- Issue date Nov 7, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable gain amplifier
- Patent number 6,100,760
- Issue date Aug 8, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Microwave semiconductor integrated circuit
- Patent number 5,932,926
- Issue date Aug 3, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Takaya Maruyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FILTER CIRCUIT
- Publication number 20240235529
- Publication date Jul 11, 2024
- Mitsubishi Electric Corporation
- Takaya MARUYAMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT AMPLIFIER
- Publication number 20200021252
- Publication date Jan 16, 2020
- Mitsubishi Electric Corporation
- Takaya MARUYAMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POLYPHASE FILTER AND FILTER CIRCUIT
- Publication number 20190013794
- Publication date Jan 10, 2019
- Mitsubishi Electric Corporation
- Atsushi KATO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PHASE SHIFT PRECISION CALIBRATION CIRCUITRY, VECTOR SUM PHASE SHIFT...
- Publication number 20180323771
- Publication date Nov 8, 2018
- Mitsubishi Electric Corporation
- Takaya MARUYAMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRANSCONDUCTANCE AMPLIFIER AND PHASE SHIFTER
- Publication number 20180212576
- Publication date Jul 26, 2018
- Mitsubishi Electric Corporation
- Takaya MARUYAMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR DEVICE FOR SIGNAL AMPLIFICATION
- Publication number 20130043948
- Publication date Feb 21, 2013
- RENESAS ELECTRONICS CORPORATION
- Masakazu MIZOKAMI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER CIRCUIT AND COMMUNICATION SEMICONDUCTOR DEVICE USING THE SAME
- Publication number 20120092065
- Publication date Apr 19, 2012
- RENESAS ELECTRONICS CORPORATION
- Tomohiro SANO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR DEVICE FOR SIGNAL AMPLIFICATION
- Publication number 20100231305
- Publication date Sep 16, 2010
- RENESAS TECHNOLOGY CORP.
- Masakazu Mizokami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER CIRCUIT AND COMMUNICATION SEMICONDUCTOR DEVICE USING THE SAME
- Publication number 20090068976
- Publication date Mar 12, 2009
- RENESAS TECHNOLOGY CORP.
- Tomohiro SANO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Frequency mixer preventing degradation in linearity on amplitude of...
- Publication number 20050208922
- Publication date Sep 22, 2005
- Renesas Technology Corp.
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Gain control circuit for controlling a gain in a variable gain cell
- Publication number 20030122623
- Publication date Jul 3, 2003
- Takaya Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY

Takaya Maruyama

Person

Patents Grantslast 30 patents

Current amplifier

Phase shift precision calibration circuitry, vector sum phase shift...

Polyphase filter and filter circuit

Transconductance amplifier and phase shifter

Semiconductor device for signal amplification

Semiconductor device for signal amplification

Filter circuit and communication semiconductor device using the same

Frequency mixer preventing degradation in linearity on amplitude of...

Gain control circuit for controlling a gain in a variable gain cell

Multi-stage signal amplifying circuit

Microwave circuit for phase shifting having voltage transforming me...

Gain control circuit for controlling operation of a variable-gain a...

Variable gain amplifier

Microwave semiconductor integrated circuit

Patents Applicationslast 30 patents

FILTER CIRCUIT

CURRENT AMPLIFIER

POLYPHASE FILTER AND FILTER CIRCUIT

PHASE SHIFT PRECISION CALIBRATION CIRCUITRY, VECTOR SUM PHASE SHIFT...

TRANSCONDUCTANCE AMPLIFIER AND PHASE SHIFTER

SEMICONDUCTOR DEVICE FOR SIGNAL AMPLIFICATION

FILTER CIRCUIT AND COMMUNICATION SEMICONDUCTOR DEVICE USING THE SAME

SEMICONDUCTOR DEVICE FOR SIGNAL AMPLIFICATION

FILTER CIRCUIT AND COMMUNICATION SEMICONDUCTOR DEVICE USING THE SAME

Frequency mixer preventing degradation in linearity on amplitude of...

Gain control circuit for controlling a gain in a variable gain cell