Inventor

OGAWA ATSUNORI

JP12 patents

Patents

12 patents

US11264044B2Mar 1, 2022

Acoustic model training method, speech recognition method, acoustic model training apparatus, speech recognition apparatus, acoustic model training program, and speech recognition program

NIPPON TELEGRAPH & TELEPHONE8 citations84

US11763834B2Sep 19, 2023

Mask calculation device, cluster weight learning device, mask calculation neural network learning device, mask calculation method, cluster weight learning method, and mask calculation neural network learning method

NIPPON TELEGRAPH & TELEPHONE2 citations71

US11837222B2Dec 5, 2023

Determination device, determination method, and determination program

NIPPON TELEGRAPH & TELEPHONE2 citations70

US11978471B2May 7, 2024

Signal processing apparatus, learning apparatus, signal processing method, learning method and program

NIPPON TELEGRAPH & TELEPHONE0 citations60

US12190870B2Jan 7, 2025

Learning device, learning method, and learning program

NIPPON TELEGRAPH & TELEPHONE0 citations59

US11996086B2May 28, 2024

Estimation device, estimation method, and estimation program

NIPPON TELEGRAPH & TELEPHONE0 citations56

US12431158B2Sep 30, 2025

Speech signal processing device, speech signal processing method, speech signal processing program, training device, training method, and training program

NIPPON TELEGRAPH & TELEPHONE0 citations50

US12308022B2May 20, 2025

Apparatus, method, and program for utilizing language model

NIPPON TELEGRAPH & TELEPHONE0 citations50

US12125481B2Oct 22, 2024

Determination device, training device, determination method, and determination program

NIPPON TELEGRAPH & TELEPHONE0 citations49

US11869491B2Jan 9, 2024

Abstract generation device, method, program, and recording medium

NIPPON TELEGRAPH & TELEPHONE0 citations49

US11551667B2Jan 10, 2023

Learning device and method for updating a parameter of a speech recognition model

NIPPON TELEGRAPH & TELEPHONE0 citations49

US12430519B2Sep 30, 2025

Data processing device, data processing method, and data processing program

NIPPON TELEGRAPH & TELEPHONE0 citations44