Eri Matsunaga

Person

Musashino-shi, Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Looseness detection device and looseness detection method
- Patent number 12,158,389
- Issue date Dec 3, 2024
- Nippon Telegraph and Telephone Corporation
- Tadashi Minotani
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bolt tightening torque management structure and method
- Patent number 12,085,470
- Issue date Sep 10, 2024
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Grant
Loosening detection structure and loosening detection method using...
- Patent number 12,085,519
- Issue date Sep 10, 2024
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Grant
Looseness detection sensor and how to identify loose bolts
- Patent number 12,031,856
- Issue date Jul 9, 2024
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Grant
Abnormality detection device and fixing structure
- Patent number 12,012,988
- Issue date Jun 18, 2024
- Nippon Telegraph and Telephone Corporation
- Masahito Nakamura
- G01 - MEASURING TESTING
Information Patent Grant
Transducer, loosening detection system and loosening detection method
- Patent number 11,976,947
- Issue date May 7, 2024
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Grant
Loosening detection structure, loosening detection system and method
- Patent number 11,976,993
- Issue date May 7, 2024
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Grant
Surface change detector and surface change detection method using same
- Patent number 11,921,055
- Issue date Mar 5, 2024
- Nippon Telegraph and Telephone Corporation
- Masahito Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Loosening detection structure and loosening detection method using...
- Patent number 11,493,074
- Issue date Nov 8, 2022
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Grant
Crack detection device and method therefor
- Patent number 11,454,607
- Issue date Sep 27, 2022
- Nippon Telegraph and Telephone Corporation
- Tadashi Minotani
- G01 - MEASURING TESTING
Information Patent Grant
Crack detection system and crack detection method
- Patent number 11,280,752
- Issue date Mar 22, 2022
- Nippon Telegraph and Telephone Corporation
- Tadashi Minotani
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Looseness Detection Sensor and Method
- Publication number 20230103121
- Publication date Mar 30, 2023
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Bolt Tightening Torque Management Structure And Method
- Publication number 20230081045
- Publication date Mar 16, 2023
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Application
Looseness Detection Sensor and How to Identify Loose Bolts
- Publication number 20220397452
- Publication date Dec 15, 2022
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Application
Loosening Detection Structure, Loosening Detection System and Method
- Publication number 20220390307
- Publication date Dec 8, 2022
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Application
Transducer, Loosening Detection System and Loosening Detection Method
- Publication number 20220268599
- Publication date Aug 25, 2022
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Application
Looseness Detection Device and Looseness Detection Method
- Publication number 20220244138
- Publication date Aug 4, 2022
- Nippon Telegraph and Telephone Corporation
- Tadashi Minotani
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Loosening Detection Structure and Loosening Detection Method Using...
- Publication number 20220228996
- Publication date Jul 21, 2022
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- G01 - MEASURING TESTING
Information Patent Application
Abnormality Detection Device and Fixing Structure
- Publication number 20220010826
- Publication date Jan 13, 2022
- Nippon Telegraph and Telephone Corporation
- Masahito Nakamura
- G01 - MEASURING TESTING
Information Patent Application
Surface Change Detector and Surface Change Detection Method Using Same
- Publication number 20220003688
- Publication date Jan 6, 2022
- Nippon Telegraph and Telephone Corporation
- Masahito Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Loosening Detection Structure and Loosening Detection Method Using...
- Publication number 20210404502
- Publication date Dec 30, 2021
- Nippon Telegraph and Telephone Corporation
- Eri Matsunaga
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Crack Detection Device and Method Therefor
- Publication number 20210364459
- Publication date Nov 25, 2021
- Nippon Telegraph and Telephone Corporation
- Tadashi Minotani
- G01 - MEASURING TESTING
Information Patent Application
Crack Detection System and Crack Detection Method
- Publication number 20210109050
- Publication date Apr 15, 2021
- Nippon Telegraph and Telephone Corporation
- Tadashi Minotani
- G01 - MEASURING TESTING

Eri Matsunaga

Person

Patents Grantslast 30 patents

Looseness detection device and looseness detection method

Bolt tightening torque management structure and method

Loosening detection structure and loosening detection method using...

Looseness detection sensor and how to identify loose bolts

Abnormality detection device and fixing structure

Transducer, loosening detection system and loosening detection method

Loosening detection structure, loosening detection system and method

Surface change detector and surface change detection method using same

Loosening detection structure and loosening detection method using...

Crack detection device and method therefor

Crack detection system and crack detection method

Patents Applicationslast 30 patents

Looseness Detection Sensor and Method

Bolt Tightening Torque Management Structure And Method

Looseness Detection Sensor and How to Identify Loose Bolts

Loosening Detection Structure, Loosening Detection System and Method

Transducer, Loosening Detection System and Loosening Detection Method

Looseness Detection Device and Looseness Detection Method

Loosening Detection Structure and Loosening Detection Method Using...

Abnormality Detection Device and Fixing Structure

Surface Change Detector and Surface Change Detection Method Using Same

Loosening Detection Structure and Loosening Detection Method Using...

Crack Detection Device and Method Therefor

Crack Detection System and Crack Detection Method