Keiichi Yamaguchi

Person

Ina-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Vibration element, manufacturing method of vibration element, physi...
- Patent number 12,255,619
- Issue date Mar 18, 2025
- Seiko Epson Corporation
- Seiichiro Ogura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for manufacturing vibration element
- Patent number 12,213,381
- Issue date Jan 28, 2025
- Seiko Epson Corporation
- Hiyori Sakata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for manufacturing vibrator device
- Patent number 12,207,557
- Issue date Jan 21, 2025
- Seiko Epson Corporation
- Hiyori Sakata
Information Patent Grant
Method for manufacturing vibration element
- Patent number 12,199,583
- Issue date Jan 14, 2025
- Seiko Epson Corporation
- Hiyori Sakata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibration device and oscillator
- Patent number 12,088,277
- Issue date Sep 10, 2024
- Seiko Epson Corporation
- Ryuta Nishizawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibrator device, electronic apparatus, and vehicle
- Patent number 11,940,275
- Issue date Mar 26, 2024
- Seiko Epson Corporation
- Seiichiro Ogura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibrator device
- Patent number 11,916,538
- Issue date Feb 27, 2024
- Seiko Epson Corporation
- Seiichiro Ogura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibration element, physical quantity sensor, inertial measurement u...
- Patent number 11,888,464
- Issue date Jan 30, 2024
- Seiko Epson Corporation
- Seiichiro Ogura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibrator device
- Patent number 11,662,204
- Issue date May 30, 2023
- Seiko Epson Corporation
- Seiichiro Ogura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibrator device, electronic apparatus, and vehicle
- Patent number 11,650,054
- Issue date May 16, 2023
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibration element, manufacturing method of vibration element, physi...
- Patent number 11,595,026
- Issue date Feb 28, 2023
- Seiko Epson Corporation
- Seiichiro Ogura
- G01 - MEASURING TESTING
Information Patent Grant
Physical quantity detection device, manufacturing method for physic...
- Patent number 11,555,702
- Issue date Jan 17, 2023
- Seiko Epson Corporation
- Ryuta Nishizawa
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Vibrator device, electronic apparatus, and vehicle
- Patent number 11,444,235
- Issue date Sep 13, 2022
- Seiko Epson Corporation
- Seiichiro Ogura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibrator device, electronic apparatus, and vehicle
- Patent number 11,340,070
- Issue date May 24, 2022
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrator device, electronic apparatus, and vehicle
- Patent number 11,326,882
- Issue date May 10, 2022
- Seiko Epson Corporation
- Seiichiro Ogura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibrator device, electronic apparatus, and vehicle
- Patent number 11,307,033
- Issue date Apr 19, 2022
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Vibrator device
- Patent number 11,293,755
- Issue date Apr 5, 2022
- Seiko Epson Corporation
- Seiichiro Ogura
- G01 - MEASURING TESTING
Information Patent Grant
Vibrator device
- Patent number 11,287,260
- Issue date Mar 29, 2022
- Seiko Epson Corporation
- Masahiro Oshio
- G01 - MEASURING TESTING
Information Patent Grant
Vibration element and oscillator
- Patent number 11,264,950
- Issue date Mar 1, 2022
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Frequency adjustment method of vibrator element
- Patent number 11,239,407
- Issue date Feb 1, 2022
- Seiko Epson Corporation
- Keiichi Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibrator device, electronic apparatus, and vehicle
- Patent number 11,181,371
- Issue date Nov 23, 2021
- Seiko Epson Corporation
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Grant
Frequency adjustment method of vibration element, manufacturing met...
- Patent number 11,085,765
- Issue date Aug 10, 2021
- Seiko Epson Corporation
- Shogo Sasaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Physical quantity sensor, method of manufacturing physical quantity...
- Patent number 11,079,226
- Issue date Aug 3, 2021
- Seiko Epson Corporation
- Keiichi Yamaguchi
- G01 - MEASURING TESTING
Information Patent Grant
Vibration element and oscillator
- Patent number 11,070,169
- Issue date Jul 20, 2021
- Seiko Epson Corporation
- Ryuta Nishizawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibration element, manufacturing method of vibration element, physi...
- Patent number 11,025,222
- Issue date Jun 1, 2021
- Seiko Epson Corporation
- Seiichiro Ogura
- G01 - MEASURING TESTING
Information Patent Grant
Sensor element, physical quantity sensor, electronic apparatus, and...
- Patent number 10,866,097
- Issue date Dec 15, 2020
- Seiko Epson Corporation
- Keiichi Yamaguchi
- G01 - MEASURING TESTING
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
Sensor element, sensor, electronic apparatus, and vehicle
- Patent number 10,690,500
- Issue date Jun 23, 2020
- Seiko Epson Corporation
- Ryuta Nishizawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electronic device, electronic apparatus, and moving object
- Patent number 10,302,430
- Issue date May 28, 2019
- Seiko Epson Corporation
- Ryuta Nishizawa
- B81 - MICRO-STRUCTURAL TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Vibration Element, Manufacturing Method Of Vibration Element, Physi...
- Publication number 20250175149
- Publication date May 29, 2025
- SEIKO EPSON CORPORATION
- Seiichiro OGURA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD OF MANUFACTURING VIBRATOR ELEMENT, VIBRATOR ELEMENT, AND VIB...
- Publication number 20250088171
- Publication date Mar 13, 2025
- SEIKO EPSON CORPORATION
- Keiichi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RESONATOR ELEMENT AND RESONATOR DEVICE
- Publication number 20240333255
- Publication date Oct 3, 2024
- SEIKO EPSON CORPORATION
- Yusuke Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD OF MANUFACTURING RESONATOR ELEMENT, RESONATOR ELEMENT, AND R...
- Publication number 20240333243
- Publication date Oct 3, 2024
- SEIKO EPSON CORPORATION
- Yusuke Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD FOR MANUFACTURING VIBRATOR
- Publication number 20240113690
- Publication date Apr 4, 2024
- SEIKO EPSON CORPORATION
- Tsukasa Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD FOR MANUFACTURING VIBRATOR
- Publication number 20240113692
- Publication date Apr 4, 2024
- SEIKO EPSON CORPORATION
- Tsukasa Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD FOR MANUFACTURING VIBRATOR
- Publication number 20240110787
- Publication date Apr 4, 2024
- SEIKO EPSON CORPORATION
- Kosuke Ariizumi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD FOR MANUFACTURING VIBRATOR
- Publication number 20240113691
- Publication date Apr 4, 2024
- SEIKO EPSON CORPORATION
- Tsukasa Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD FOR MANUFACTURING VIBRATOR
- Publication number 20240110786
- Publication date Apr 4, 2024
- SEIKO EPSON CORPORATION
- Hiyori Sakata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Angular Velocity Detection Element And Angular Velocity Sensor
- Publication number 20240069057
- Publication date Feb 29, 2024
- SEIKO EPSON CORPORATION
- Seiichiro Ogura
- G01 - MEASURING TESTING
Information Patent Application
Manufacturing Method For Vibrator Element
- Publication number 20240056053
- Publication date Feb 15, 2024
- SEIKO EPSON CORPORATION
- Keiichi YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Vibration Element, Manufacturing Method of Vibration Element, Physi...
- Publication number 20230387885
- Publication date Nov 30, 2023
- SEIKO EPSON CORPORATION
- Seiichiro OGURA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method For Manufacturing Vibrator Element
- Publication number 20230188109
- Publication date Jun 15, 2023
- SEIKO EPSON CORPORATION
- Keiichi YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method For Manufacturing Vibrator Element
- Publication number 20230179164
- Publication date Jun 8, 2023
- SEIKO EPSON CORPORATION
- Keiichi YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VIBRATION ELEMENT AND METHOD OF MANUFACTURING VIBRATION ELEMENT
- Publication number 20230145942
- Publication date May 11, 2023
- SEIKO EPSON CORPORATION
- Takuro Kobayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method for Manufacturing Vibration Element
- Publication number 20230139098
- Publication date May 4, 2023
- SEIKO EPSON CORPORATION
- Keiichi YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method for Manufacturing Vibration Element
- Publication number 20230134199
- Publication date May 4, 2023
- SEIKO EPSON CORPORATION
- Keiichi YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method For Manufacturing Vibration Element
- Publication number 20230127801
- Publication date Apr 27, 2023
- SEIKO EPSON CORPORATION
- Shigeru SHIRAISHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method For Manufacturing Vibration Element
- Publication number 20230126632
- Publication date Apr 27, 2023
- SEIKO EPSON CORPORATION
- Shigeru SHIRAISHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Vibration Element, Physical Quantity Sensor, Inertial Measurement U...
- Publication number 20230109944
- Publication date Apr 13, 2023
- SEIKO EPSON CORPORATION
- Seiichiro OGURA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method Of Manufacturing Vibration Element
- Publication number 20230102578
- Publication date Mar 30, 2023
- SEIKO EPSON CORPORATION
- Keiichi YAMAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method Of Manufacturing Vibration Element
- Publication number 20230097025
- Publication date Mar 30, 2023
- SEIKO EPSON CORPORATION
- Keiichi YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD FOR MANUFACTURING VIBRATOR DEVICE
- Publication number 20230020694
- Publication date Jan 19, 2023
- SEIKO EPSON CORPORATION
- Hiyori Sakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method For Manufacturing Vibration Element
- Publication number 20220271725
- Publication date Aug 25, 2022
- SEIKO EPSON CORPORATION
- Hiyori SAKATA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method For Manufacturing Vibration Element
- Publication number 20220271735
- Publication date Aug 25, 2022
- SEIKO EPSON CORPORATION
- Hiyori SAKATA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method For Manufacturing Vibration Element
- Publication number 20220246835
- Publication date Aug 4, 2022
- SEIKO EPSON CORPORATION
- Hiyori SAKATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vibrator Device, Electronic Apparatus, And Vehicle
- Publication number 20220236058
- Publication date Jul 28, 2022
- SEIKO EPSON CORPORATION
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Application
Vibrator Device, Electronic Apparatus, And Vehicle
- Publication number 20220236057
- Publication date Jul 28, 2022
- SEIKO EPSON CORPORATION
- Seiichiro OGURA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Vibrator Device, Electronic Apparatus, And Vehicle
- Publication number 20220178694
- Publication date Jun 9, 2022
- SEIKO EPSON CORPORATION
- Ryuta Nishizawa
- G01 - MEASURING TESTING
Information Patent Application
Vibration Device And Oscillator
- Publication number 20210367583
- Publication date Nov 25, 2021
- SEIKO EPSON CORPORATION
- Ryuta NISHIZAWA
- H03 - BASIC ELECTRONIC CIRCUITRY

Keiichi Yamaguchi

Person

Patents Grantslast 30 patents

Vibration element, manufacturing method of vibration element, physi...

Method for manufacturing vibration element

Method for manufacturing vibrator device

Method for manufacturing vibration element

Vibration device and oscillator

Vibrator device, electronic apparatus, and vehicle

Vibrator device

Vibration element, physical quantity sensor, inertial measurement u...

Vibrator device

Vibrator device, electronic apparatus, and vehicle

Vibration element, manufacturing method of vibration element, physi...

Physical quantity detection device, manufacturing method for physic...

Vibrator device, electronic apparatus, and vehicle

Vibrator device, electronic apparatus, and vehicle

Vibrator device, electronic apparatus, and vehicle

Vibrator device, electronic apparatus, and vehicle

Vibrator device

Vibrator device

Vibration element and oscillator

Frequency adjustment method of vibrator element

Vibrator device, electronic apparatus, and vehicle

Frequency adjustment method of vibration element, manufacturing met...

Physical quantity sensor, method of manufacturing physical quantity...

Vibration element and oscillator

Vibration element, manufacturing method of vibration element, physi...

Sensor element, physical quantity sensor, electronic apparatus, and...

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

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

Sensor element, sensor, electronic apparatus, and vehicle

Electronic device, electronic apparatus, and moving object

Patents Applicationslast 30 patents

Vibration Element, Manufacturing Method Of Vibration Element, Physi...

METHOD OF MANUFACTURING VIBRATOR ELEMENT, VIBRATOR ELEMENT, AND VIB...

RESONATOR ELEMENT AND RESONATOR DEVICE

METHOD OF MANUFACTURING RESONATOR ELEMENT, RESONATOR ELEMENT, AND R...

METHOD FOR MANUFACTURING VIBRATOR

METHOD FOR MANUFACTURING VIBRATOR

METHOD FOR MANUFACTURING VIBRATOR

METHOD FOR MANUFACTURING VIBRATOR

METHOD FOR MANUFACTURING VIBRATOR

Angular Velocity Detection Element And Angular Velocity Sensor

Manufacturing Method For Vibrator Element

Vibration Element, Manufacturing Method of Vibration Element, Physi...

Method For Manufacturing Vibrator Element

Method For Manufacturing Vibrator Element

VIBRATION ELEMENT AND METHOD OF MANUFACTURING VIBRATION ELEMENT

Method for Manufacturing Vibration Element

Method for Manufacturing Vibration Element

Method For Manufacturing Vibration Element

Method For Manufacturing Vibration Element

Vibration Element, Physical Quantity Sensor, Inertial Measurement U...

Method Of Manufacturing Vibration Element

Method Of Manufacturing Vibration Element

METHOD FOR MANUFACTURING VIBRATOR DEVICE

Method For Manufacturing Vibration Element

Method For Manufacturing Vibration Element

Method For Manufacturing Vibration Element

Vibrator Device, Electronic Apparatus, And Vehicle

Vibrator Device, Electronic Apparatus, And Vehicle

Vibrator Device, Electronic Apparatus, And Vehicle

Vibration Device And Oscillator