Kazuhiro Otsuka

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication skill evaluation system, communication skill evaluati...
- Patent number 12,027,062
- Issue date Jul 2, 2024
- Nippon Telegraph and Telephone Corporation
- Ryo Ishii
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Estimation device, estimation method and program
- Patent number 11,475,911
- Issue date Oct 18, 2022
- Nippon Telegraph and Telephone Corporation
- Ryo Ishii
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and equipment for extracting image features from image sequence
- Patent number 6,263,089
- Issue date Jul 17, 2001
- Nippon Telephone and Telegraph Corporation
- Kazuhiro Otsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and equipment for weather image prediction
- Patent number 5,974,360
- Issue date Oct 26, 1999
- Nippon Telegraph and Telephone Corporation
- Kazuhiro Otsuka
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SKILL EVALUATION SYSTEM, DEVICE, METHOD, AND PROGRAM
- Publication number 20210174702
- Publication date Jun 10, 2021
- Nippon Telegraph and Telephone Corporation
- Ryo ISHII
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ESTIMATION DEVICE, ESTIMATION METHOD AND PROGRAM
- Publication number 20210035600
- Publication date Feb 4, 2021
- Nippon Telegraph and Telephone Corporation
- Ryo ISHII
- G10 - MUSICAL INSTRUMENTS ACOUSTICS