Inventor
KOIZUMI YUMA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI YUMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
15 patentsUS12182731B2Dec 31, 2024
Anomaly detection apparatus, anomaly detection method, and program
NIPPON TELEGRAPH & TELEPHONE2 citations68
US12387743B2Aug 12, 2025
Abnormality estimation device, abnormality estimation method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11886996B2Jan 30, 2024
Training data extension apparatus, training data extension method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11971332B2Apr 30, 2024
Feature extraction apparatus, anomaly score estimation apparatus, methods therefor, and program
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11922965B2Mar 5, 2024
Direction of arrival estimation apparatus, model learning apparatus, direction of arrival estimation method, model learning method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11798571B2Oct 24, 2023
Acoustic signal processing apparatus, method and program for the same
NIPPON TELEGRAPH & TELEPHONE0 citations61
US12354620B2Jul 8, 2025
Signal processing device, signal processing method, signal processing program, learning device, learning method, and learning program
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11480497B2Oct 25, 2022
Anomalous sound detection training apparatus, acoustic feature extraction apparatus, anomalous sound sampling apparatus, and methods and programs for the same
NIPPON TELEGRAPH & TELEPHONE1 citations58
US12190904B2Jan 7, 2025
Anomaly detection apparatus, probability distribution learning apparatus, autoencoder learning apparatus, data transformation apparatus, and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11996120B2May 28, 2024
Sound generation apparatus, data generation apparatus, anomaly score calculation apparatus, and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11322169B2May 3, 2022
Target sound enhancement device, noise estimation parameter learning device, target sound enhancement method, noise estimation parameter learning method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11835430B2Dec 5, 2023
Anomaly score estimation apparatus, anomaly score estimation method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11467570B2Oct 11, 2022
Anomalous sound detection apparatus, anomaly model learning apparatus, anomaly detection apparatus, anomalous sound detection method, anomalous sound generation apparatus, anomalous data generation apparatus, anomalous sound generation method and program
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11297418B2Apr 5, 2022
Acoustic signal separation apparatus, learning apparatus, method, and program thereof
NIPPON TELEGRAPH & TELEPHONE0 citations48
US11609115B2Mar 21, 2023
Anomalous sound detection apparatus, degree-of-anomaly calculation apparatus, anomalous sound generation apparatus, anomalous sound detection training apparatus, anomalous signal detection apparatus, anomalous signal detection training apparatus, and methods and programs therefor
NIPPON TELEGRAPH & TELEPHONE0 citations46