Nobuaki Tsuji

Person

Hamamatsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
MEMS device
- Patent number 10,287,159
- Issue date May 14, 2019
- MURATA MANUFACTURING CO., LTD.
- Junya Matsuoka
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Vibrator drive circuit
- Patent number 10,175,045
- Issue date Jan 8, 2019
- MURATA MANUFACTURING CO., LTD.
- Hidekazu Ono
- G01 - MEASURING TESTING
Information Patent Grant
MEMS structure
- Patent number 9,764,943
- Issue date Sep 19, 2017
- MURATA MANUFACTURING CO., LTD.
- Tsuyoshi Okami
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Power amplifying circuit, DC-DC converter, peak holding circuit, an...
- Patent number 8,823,343
- Issue date Sep 2, 2014
- Yamaha Corporation
- Nobuaki Tsuji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage generation circuit
- Patent number 8,653,803
- Issue date Feb 18, 2014
- Yamaha Corporation
- Norihiro Kawagishi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage adder circuit and D/A converter circuit
- Patent number 8,232,832
- Issue date Jul 31, 2012
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic gain control circuit
- Patent number 8,059,834
- Issue date Nov 15, 2011
- Yamaha Corporation
- Yasuomi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class D amplifier circuit
- Patent number 7,990,211
- Issue date Aug 2, 2011
- Yamaha Corporation
- Hirotaka Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit for realizing an amplifier having...
- Patent number 7,982,522
- Issue date Jul 19, 2011
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class D amplifier circuit
- Patent number 7,948,313
- Issue date May 24, 2011
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Offset voltage correction circuit and class D amplifier
- Patent number 7,924,089
- Issue date Apr 12, 2011
- Yamaha Corporation
- Yasuomi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D/A converter circuit and digital input class-D amplifier
- Patent number 7,920,082
- Issue date Apr 5, 2011
- Yamaha Corporation
- Hirotaka Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Spectrum spreading circuit
- Patent number 7,912,112
- Issue date Mar 22, 2011
- Yamaha Corporation
- Hirotaka Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Comparator
- Patent number 7,830,182
- Issue date Nov 9, 2010
- Yamaha Corporation
- Masaya Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Offset voltage correction circuit and class D amplifier
- Patent number 7,816,992
- Issue date Oct 19, 2010
- Yamaha Corporation
- Yasuomi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital input class-D amplifier
- Patent number 7,679,435
- Issue date Mar 16, 2010
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pulse-width modulation amplifier and suppression of clipping therefor
- Patent number 7,315,202
- Issue date Jan 1, 2008
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Volume circuit using resistive ladder circuits
- Patent number 7,298,855
- Issue date Nov 20, 2007
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Triangular wave generating circuit adapted to class-D amplifier
- Patent number 7,183,818
- Issue date Feb 27, 2007
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor input protection circuit
- Patent number 7,075,123
- Issue date Jul 11, 2006
- Yamaha Corporation
- Nobuaki Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Operational amplifier
- Patent number 6,903,607
- Issue date Jun 7, 2005
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Delay circuit
- Patent number 6,903,577
- Issue date Jun 7, 2005
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Input protection circuit
- Patent number 6,894,320
- Issue date May 17, 2005
- Yamaha Corporation
- Nobuaki Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor input protection circuit
- Patent number 6,847,059
- Issue date Jan 25, 2005
- Yamaha Corporation
- Nobuaki Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser diode driving circuit
- Patent number 6,826,215
- Issue date Nov 30, 2004
- Yamaha Corporation
- Nobuaki Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Triangular wave generating circuit used in a Class-D amplifier
- Patent number 6,791,405
- Issue date Sep 14, 2004
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pulse-width modulation circuit and power amplifier circuit
- Patent number 6,778,011
- Issue date Aug 17, 2004
- Yamaha Corporation
- Masao Noro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ouput buffer circuit
- Patent number 6,608,505
- Issue date Aug 19, 2003
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic volume circuit
- Patent number 6,448,856
- Issue date Sep 10, 2002
- Yamaha Corporation
- Masao Noro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Buffer circuit
- Patent number 6,384,632
- Issue date May 7, 2002
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SOUND SIGNAL PROCESSING DEVICE, SOUND SYSTEM, AND COMPUTER-IMPLEMEN...
- Publication number 20230239619
- Publication date Jul 27, 2023
- Yamaha Corporation
- Toshifumi KANNO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MEMS DEVICE
- Publication number 20170073214
- Publication date Mar 16, 2017
- Murata Manufacturing Co., Ltd.
- Junya Matsuoka
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
MEMS STRUCTURE
- Publication number 20170073216
- Publication date Mar 16, 2017
- Murata Manufacturing Co., Ltd.
- Tsuyoshi Okami
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
VIBRATOR DRIVE CIRCUIT
- Publication number 20160377435
- Publication date Dec 29, 2016
- Murata Manufacturing Co., Ltd.
- Hidekazu Ono
- G01 - MEASURING TESTING
Information Patent Application
Resonance Frequency Adjustment Module
- Publication number 20160101975
- Publication date Apr 14, 2016
- Murata Manufacturing Co., Ltd.
- Hidekazu Ono
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
MEMS SENSOR MODULE, VIBRATION DRIVING MODULE, AND MEMS SENSOR
- Publication number 20160097642
- Publication date Apr 7, 2016
- Murata Manufacturing Co., Ltd.
- Tsuyoshi Okami
- G01 - MEASURING TESTING
Information Patent Application
Voltage generation circuit
- Publication number 20120068675
- Publication date Mar 22, 2012
- Yamaha Corporation
- Norihiro Kawagishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
VOLTAGE GENERATION CIRCUIT
- Publication number 20120068676
- Publication date Mar 22, 2012
- Yamaha Corporation
- Norihiro Kawagishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power amplifying circuit, DC-DC converter, peak holding circuit, an...
- Publication number 20110148375
- Publication date Jun 23, 2011
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Voltage adder circuit and D/A converter circuit
- Publication number 20110140941
- Publication date Jun 16, 2011
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Offset voltage correction circuit and class D amplifier
- Publication number 20110006843
- Publication date Jan 13, 2011
- Yamaha Corporation
- Yasuomi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Class D amplifier circuit
- Publication number 20100244958
- Publication date Sep 30, 2010
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT
- Publication number 20100164590
- Publication date Jul 1, 2010
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
D/A converter circuit and digital input class-D amplifier
- Publication number 20100117730
- Publication date May 13, 2010
- Yamaha Corporation
- Hirotaka Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Comparator
- Publication number 20090102516
- Publication date Apr 23, 2009
- Yamaha Corporation
- Masaya Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Class D amplifier circuit
- Publication number 20090027121
- Publication date Jan 29, 2009
- Yamaha Corporation
- Hirotaka Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital input class-D amplifier
- Publication number 20080224773
- Publication date Sep 18, 2008
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Spectrum spreading circuit
- Publication number 20080032640
- Publication date Feb 7, 2008
- Yamaha Corporation
- Hirotaka Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Offset voltage correction circuit and class D amplifier
- Publication number 20080018393
- Publication date Jan 24, 2008
- Yamaha Corporation
- Yasuomi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor integrated circuit
- Publication number 20080012632
- Publication date Jan 17, 2008
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Automatic gain control circuit
- Publication number 20080008336
- Publication date Jan 10, 2008
- Yamaha Corporation
- Yasuomi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Pulse-width modulation amplifier and suppression of clipping therefor
- Publication number 20060008095
- Publication date Jan 12, 2006
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Triangular wave generating circuit adapted to class-D amplifier
- Publication number 20060001461
- Publication date Jan 5, 2006
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor input protection circuit
- Publication number 20050051847
- Publication date Mar 10, 2005
- Yamaha Corporation
- Nobuaki Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Square-wave signal modifying device, light emission control device...
- Publication number 20040179451
- Publication date Sep 16, 2004
- Morito Morishima
- G11 - INFORMATION STORAGE
Information Patent Application
Triangular wave generating circuit used in a Class-D amplifier
- Publication number 20040036529
- Publication date Feb 26, 2004
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Delay circuit
- Publication number 20040032704
- Publication date Feb 19, 2004
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Operational amplifier
- Publication number 20040017258
- Publication date Jan 29, 2004
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Laser diode driving circuit
- Publication number 20030189961
- Publication date Oct 9, 2003
- Nobuaki Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Input protection circuit
- Publication number 20030052368
- Publication date Mar 20, 2003
- Yamaha Corporation
- Nobuaki Tsuji
- H01 - BASIC ELECTRIC ELEMENTS

Nobuaki Tsuji

Person

Patents Grantslast 30 patents

MEMS device

Vibrator drive circuit

MEMS structure

Power amplifying circuit, DC-DC converter, peak holding circuit, an...

Voltage generation circuit

Voltage adder circuit and D/A converter circuit

Automatic gain control circuit

Class D amplifier circuit

Semiconductor integrated circuit for realizing an amplifier having...

Class D amplifier circuit

Offset voltage correction circuit and class D amplifier

D/A converter circuit and digital input class-D amplifier

Spectrum spreading circuit

Comparator

Offset voltage correction circuit and class D amplifier

Digital input class-D amplifier

Pulse-width modulation amplifier and suppression of clipping therefor

Volume circuit using resistive ladder circuits

Triangular wave generating circuit adapted to class-D amplifier

Semiconductor input protection circuit

Operational amplifier

Delay circuit

Input protection circuit

Semiconductor input protection circuit

Laser diode driving circuit

Triangular wave generating circuit used in a Class-D amplifier

Pulse-width modulation circuit and power amplifier circuit

Ouput buffer circuit

Electronic volume circuit

Buffer circuit

Patents Applicationslast 30 patents

SOUND SIGNAL PROCESSING DEVICE, SOUND SYSTEM, AND COMPUTER-IMPLEMEN...

MEMS DEVICE

MEMS STRUCTURE

VIBRATOR DRIVE CIRCUIT

Resonance Frequency Adjustment Module

MEMS SENSOR MODULE, VIBRATION DRIVING MODULE, AND MEMS SENSOR

Voltage generation circuit

VOLTAGE GENERATION CIRCUIT

Power amplifying circuit, DC-DC converter, peak holding circuit, an...

Voltage adder circuit and D/A converter circuit

Offset voltage correction circuit and class D amplifier

Class D amplifier circuit

SEMICONDUCTOR INTEGRATED CIRCUIT

D/A converter circuit and digital input class-D amplifier

Comparator

Class D amplifier circuit

Digital input class-D amplifier

Spectrum spreading circuit

Offset voltage correction circuit and class D amplifier

Semiconductor integrated circuit

Automatic gain control circuit

Pulse-width modulation amplifier and suppression of clipping therefor

Triangular wave generating circuit adapted to class-D amplifier

Semiconductor input protection circuit

Square-wave signal modifying device, light emission control device...

Triangular wave generating circuit used in a Class-D amplifier

Delay circuit

Operational amplifier

Laser diode driving circuit

Input protection circuit