Kazuki NAGAI

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Call recording system, call recording method, and call recording pr...
- Patent number 10,979,562
- Issue date Apr 13, 2021
- NEC PLATFORMS, LTD.
- Kazuki Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone system, exchange, telephone exchanging method, and teleph...
- Patent number 10,305,852
- Issue date May 28, 2019
- NEC PLATFORMS, LTD.
- Kazuki Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CALL RECORDING SYSTEM, CALL RECORDING METHOD, AND CALL RECORDING PR...
- Publication number 20190281156
- Publication date Sep 12, 2019
- NEC PLATFORMS, LTD.
- Kazuki NAGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONE SYSTEM, EXCHANGE, TELEPHONE EXCHANGING METHOD, AND TELEPH...
- Publication number 20180295093
- Publication date Oct 11, 2018
- NEC PLATFORMS, LTD.
- Kazuki NAGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE