Inventor
MATSUNAGA ERI
JP12 patents
Patents
12 patentsUS12158389B2Dec 3, 2024
Looseness detection device and looseness detection method
NIPPON TELEGRAPH & TELEPHONE2 citations72
US12085519B2Sep 10, 2024
Loosening detection structure and loosening detection method using said structure
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12203823B2Jan 21, 2025
Looseness detection sensor and method
NIPPON TELEGRAPH & TELEPHONE0 citations61
US12085470B2Sep 10, 2024
Bolt tightening torque management structure and method
NIPPON TELEGRAPH & TELEPHONE0 citations61
US12031856B2Jul 9, 2024
Looseness detection sensor and how to identify loose bolts
NIPPON TELEGRAPH & TELEPHONE0 citations61
US12012988B2Jun 18, 2024
Abnormality detection device and fixing structure
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11976947B2May 7, 2024
Transducer, loosening detection system and loosening detection method
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11976993B2May 7, 2024
Loosening detection structure, loosening detection system and method
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11921055B2Mar 5, 2024
Surface change detector and surface change detection method using same
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11493074B2Nov 8, 2022
Loosening detection structure and loosening detection method using said structure
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11280752B2Mar 22, 2022
Crack detection system and crack detection method
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11454607B2Sep 27, 2022
Crack detection device and method therefor
NIPPON TELEGRAPH & TELEPHONE0 citations51