Keiji NAKAGAWA

Person

Kamiina, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Physical quantity detecting device, electronic apparatus, and movin...
- Patent number 10,794,778
- Issue date Oct 6, 2020
- Seiko Epson Corporation
- Ryuta Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibration device, angular velocity sensor, electronic device, and v...
- Patent number 10,760,908
- Issue date Sep 1, 2020
- Seiko Epson Corporation
- Ryuta Nishizawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibrator element, vibrator, gyro sensor, electronic apparatus, and...
- Patent number 10,222,212
- Issue date Mar 5, 2019
- Seiko Epson Corporation
- Keiji Nakagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Angular velocity detection element, angular velocity detection devi...
- Patent number 10,088,314
- Issue date Oct 2, 2018
- Seiko Epson Corporation
- Keiji Nakagawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrator element, electronic device, electronic apparatus, moving o...
- Patent number 10,079,590
- Issue date Sep 18, 2018
- Seiko Epson Corporation
- Keiji Nakagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonator element, electronic device, electronic apparatus, and mov...
- Patent number 10,001,373
- Issue date Jun 19, 2018
- Seiko Epson Corporation
- Keiji Nakagawa
- G01 - MEASURING TESTING
Information Patent Grant
Physical quantity detecting device, electronic apparatus, and movin...
- Patent number 9,874,484
- Issue date Jan 23, 2018
- Seiko Epson Corporation
- Ryuta Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibrating element, sensor unit, electronic apparatus, and method fo...
- Patent number 9,696,156
- Issue date Jul 4, 2017
- Seiko Epson Corporation
- Keiji Nakagawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrator element and method of manufacturing the same
- Patent number 9,683,843
- Issue date Jun 20, 2017
- Seiko Epson Corporation
- Keiji Nakagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Angular velocity sensor, electronic apparatus, and moving object
- Patent number 9,587,944
- Issue date Mar 7, 2017
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrating element with an increased amount of change in detuning fr...
- Patent number 9,581,446
- Issue date Feb 28, 2017
- Seiko Epson Corporation
- Keiji Nakagawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrating element and manufacturing method for the same, gyro senso...
- Patent number 9,523,578
- Issue date Dec 20, 2016
- Seiko Epson Corporation
- Ryuta Nishizawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibrating element, electronic device, electronic apparatus, and mov...
- Patent number 9,490,773
- Issue date Nov 8, 2016
- Seiko Epson Corporation
- Keiji Nakagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibrating element, gyro sensor, electronic apparatus and moving object
- Patent number 9,354,060
- Issue date May 31, 2016
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrating element and manufacturing method for the same, gyro senso...
- Patent number 9,347,776
- Issue date May 24, 2016
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Resonator element, resonator, oscillator, electronic apparatus, phy...
- Patent number 9,255,802
- Issue date Feb 9, 2016
- Seiko Epson Corporation
- Akinori Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Vibrating element, vibrator, oscillator, electronic apparatus, and...
- Patent number 9,246,470
- Issue date Jan 26, 2016
- Seiko Epson Corporation
- Keiji Nakagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibrator element, sensor unit, and electronic device
- Patent number 9,222,775
- Issue date Dec 29, 2015
- Seiko Epson Corporation
- Keiji Nakagawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrating reed, gyro sensor, electronic apparatus, and mobile unit
- Patent number 9,130,147
- Issue date Sep 8, 2015
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrating element, sensor unit and electronic apparatus
- Patent number 9,093,638
- Issue date Jul 28, 2015
- Seiko Epson Corporation
- Keiji Nakagawa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PHYSICAL QUANTITY DETECTION DEVICE, MANUFACTURING METHOD FOR PHYSIC...
- Publication number 20200149889
- Publication date May 14, 2020
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATION DEVICE, ANGULAR VELOCITY SENSOR, ELECTRONIC DEVICE, AND V...
- Publication number 20180274922
- Publication date Sep 27, 2018
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- B60 - VEHICLES IN GENERAL
Information Patent Application
PHYSICAL QUANTITY DETECTING DEVICE, ELECTRONIC APPARATUS, AND MOVIN...
- Publication number 20180100775
- Publication date Apr 12, 2018
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
Physical Quantity Detection Device, Manufacturing Method For Physic...
- Publication number 20170059393
- Publication date Mar 2, 2017
- SEIKO EPSON CORPORATION
- Ryuta Nishizawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
VIBRATOR ELEMENT, VIBRATOR, GYRO SENSOR, ELECTRONIC APPARATUS, AND...
- Publication number 20160290802
- Publication date Oct 6, 2016
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
ANGULAR VELOCITY DETECTION ELEMENT, ANGULAR VELOCITY DETECTION DEVI...
- Publication number 20160282117
- Publication date Sep 29, 2016
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
ANGULAR VELOCITY DETECTION ELEMENT, ANGULAR VELOCITY DETECTION DEVI...
- Publication number 20160282118
- Publication date Sep 29, 2016
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING ELEMENT AND MANUFACTURING METHOD FOR THE SAME, GYRO SENSO...
- Publication number 20160231110
- Publication date Aug 11, 2016
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
Resonator Element, Electronic Device, Electronic Apparatus, And Mov...
- Publication number 20160123734
- Publication date May 5, 2016
- SEIKO EPSON CORPORATION
- Keiji Nakagawa
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING ELEMENT, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, AND MOV...
- Publication number 20160126924
- Publication date May 5, 2016
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VIBRATOR ELEMENT, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, MOVING O...
- Publication number 20160126923
- Publication date May 5, 2016
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATION ELEMENT, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, AND MOV...
- Publication number 20160123736
- Publication date May 5, 2016
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
PHYSICAL QUANTITY DETECTION CIRCUIT, PHYSICAL QUANTITY DETECTING DE...
- Publication number 20150276404
- Publication date Oct 1, 2015
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
PHYSICAL QUANTITY DETECTING DEVICE, ELECTRONIC APPARATUS, AND MOVIN...
- Publication number 20150268107
- Publication date Sep 24, 2015
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
RESONATOR ELEMENT, RESONATOR, OSCILLATOR, ELECTRONIC APPARATUS, PHY...
- Publication number 20150188515
- Publication date Jul 2, 2015
- SEIKO EPSON CORPORATION
- Akinori YAMADA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VIBRATING ELEMENT, VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND...
- Publication number 20150116050
- Publication date Apr 30, 2015
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ANGULAR VELOCITY SENSOR, ELECTRONIC APPARATUS, AND MOVING OBJECT
- Publication number 20150114114
- Publication date Apr 30, 2015
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING ELEMENT, VIBRATOR, ELECTRONIC APPARATUS, AND MOVING OBJECT
- Publication number 20150114117
- Publication date Apr 30, 2015
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATOR ELEMENT AND METHOD OF MANUFACTURING THE SAME
- Publication number 20140290362
- Publication date Oct 2, 2014
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING ELEMENT AND MANUFACTURING METHOD FOR THE SAME, GYRO SENSO...
- Publication number 20130305824
- Publication date Nov 21, 2013
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING ELEMENT, GYRO SENSOR, ELECTRONIC APPARATUS AND MOVING OBJECT
- Publication number 20130291638
- Publication date Nov 7, 2013
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING REED, GYRO SENSOR, ELECTRONIC APPARATUS, AND MOBILE UNIT
- Publication number 20130283910
- Publication date Oct 31, 2013
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING ELEMENT, SENSOR UNIT AND ELECTRONIC APPARATUS
- Publication number 20130285508
- Publication date Oct 31, 2013
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATING ELEMENT, SENSOR UNIT, ELECTRONIC APPARATUS, AND METHOD FO...
- Publication number 20130255379
- Publication date Oct 3, 2013
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING
Information Patent Application
VIBRATOR ELEMENT, SENSOR UNIT, AND ELECTRONIC DEVICE
- Publication number 20130205898
- Publication date Aug 15, 2013
- SEIKO EPSON CORPORATION
- Keiji NAKAGAWA
- G01 - MEASURING TESTING

Keiji NAKAGAWA

Person

Patents Grantslast 30 patents

Physical quantity detecting device, electronic apparatus, and movin...

Vibration device, angular velocity sensor, electronic device, and v...

Vibrator element, vibrator, gyro sensor, electronic apparatus, and...

Angular velocity detection element, angular velocity detection devi...

Vibrator element, electronic device, electronic apparatus, moving o...

Resonator element, electronic device, electronic apparatus, and mov...

Physical quantity detecting device, electronic apparatus, and movin...

Vibrating element, sensor unit, electronic apparatus, and method fo...

Vibrator element and method of manufacturing the same

Angular velocity sensor, electronic apparatus, and moving object

Vibrating element with an increased amount of change in detuning fr...

Vibrating element and manufacturing method for the same, gyro senso...

Vibrating element, electronic device, electronic apparatus, and mov...

Vibrating element, gyro sensor, electronic apparatus and moving object

Vibrating element and manufacturing method for the same, gyro senso...

Resonator element, resonator, oscillator, electronic apparatus, phy...

Vibrating element, vibrator, oscillator, electronic apparatus, and...

Vibrator element, sensor unit, and electronic device

Vibrating reed, gyro sensor, electronic apparatus, and mobile unit

Vibrating element, sensor unit and electronic apparatus

Patents Applicationslast 30 patents

PHYSICAL QUANTITY DETECTION DEVICE, MANUFACTURING METHOD FOR PHYSIC...

VIBRATION DEVICE, ANGULAR VELOCITY SENSOR, ELECTRONIC DEVICE, AND V...

PHYSICAL QUANTITY DETECTING DEVICE, ELECTRONIC APPARATUS, AND MOVIN...

Physical Quantity Detection Device, Manufacturing Method For Physic...

VIBRATOR ELEMENT, VIBRATOR, GYRO SENSOR, ELECTRONIC APPARATUS, AND...

ANGULAR VELOCITY DETECTION ELEMENT, ANGULAR VELOCITY DETECTION DEVI...

ANGULAR VELOCITY DETECTION ELEMENT, ANGULAR VELOCITY DETECTION DEVI...

VIBRATING ELEMENT AND MANUFACTURING METHOD FOR THE SAME, GYRO SENSO...

Resonator Element, Electronic Device, Electronic Apparatus, And Mov...

VIBRATING ELEMENT, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, AND MOV...

VIBRATOR ELEMENT, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, MOVING O...

VIBRATION ELEMENT, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, AND MOV...

PHYSICAL QUANTITY DETECTION CIRCUIT, PHYSICAL QUANTITY DETECTING DE...

PHYSICAL QUANTITY DETECTING DEVICE, ELECTRONIC APPARATUS, AND MOVIN...

RESONATOR ELEMENT, RESONATOR, OSCILLATOR, ELECTRONIC APPARATUS, PHY...

VIBRATING ELEMENT, VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND...

ANGULAR VELOCITY SENSOR, ELECTRONIC APPARATUS, AND MOVING OBJECT

VIBRATING ELEMENT, VIBRATOR, ELECTRONIC APPARATUS, AND MOVING OBJECT

VIBRATOR ELEMENT AND METHOD OF MANUFACTURING THE SAME

VIBRATING ELEMENT AND MANUFACTURING METHOD FOR THE SAME, GYRO SENSO...

VIBRATING ELEMENT, GYRO SENSOR, ELECTRONIC APPARATUS AND MOVING OBJECT

VIBRATING REED, GYRO SENSOR, ELECTRONIC APPARATUS, AND MOBILE UNIT

VIBRATING ELEMENT, SENSOR UNIT AND ELECTRONIC APPARATUS

VIBRATING ELEMENT, SENSOR UNIT, ELECTRONIC APPARATUS, AND METHOD FO...

VIBRATOR ELEMENT, SENSOR UNIT, AND ELECTRONIC DEVICE