Masahiro Serizawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multicast control device, multicast control method, and non-transit...
- Patent number 11,395,106
- Issue date Jul 19, 2022
- NEC Corporation
- Akira Kamei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing apparatus, communication method, communicati...
- Patent number 11,350,338
- Issue date May 31, 2022
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multicast control device, multicast control method, and non-transit...
- Patent number 11,310,633
- Issue date Apr 19, 2022
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing apparatus, information processing method, da...
- Patent number 11,290,841
- Issue date Mar 29, 2022
- NEC Corporation
- Kyoji Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service control apparatus, charging management server, service cont...
- Patent number 11,228,975
- Issue date Jan 18, 2022
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication control apparatus, communicatio...
- Patent number 11,129,053
- Issue date Sep 21, 2021
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Policy control system, PCRF entity, policy control method, and non-...
- Patent number 11,122,460
- Issue date Sep 14, 2021
- NEC Corporation
- Kyoji Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication processing system, method, apparatus and control prog...
- Patent number 11,070,986
- Issue date Jul 20, 2021
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication processing system, communication processing method, c...
- Patent number 11,006,368
- Issue date May 11, 2021
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication processing system, communication processing method, b...
- Patent number 10,985,836
- Issue date Apr 20, 2021
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station, radio relay station, and communication method for can...
- Patent number 10,873,874
- Issue date Dec 22, 2020
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station, radio relay station, communication method for cancell...
- Patent number 10,873,890
- Issue date Dec 22, 2020
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Core node, radio terminal, communication method, and non-transitory...
- Patent number 10,841,785
- Issue date Nov 17, 2020
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gateway function collecting data from nearby devices at first and s...
- Patent number 10,757,603
- Issue date Aug 25, 2020
- NEC Corporation
- Akira Kamei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication control apparatus, communicatio...
- Patent number 10,743,209
- Issue date Aug 11, 2020
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication processing system and group message processing method
- Patent number 10,638,360
- Issue date Apr 28, 2020
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IoT device, communication system, and control method and control pr...
- Patent number 10,623,919
- Issue date Apr 14, 2020
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system, wireless communication network, wire...
- Patent number 10,588,082
- Issue date Mar 10, 2020
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication processing system, group message processing method, c...
- Patent number 10,455,371
- Issue date Oct 22, 2019
- NEC Corporation
- Kyoji Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication terminal, communication system, communication method,...
- Patent number 10,349,347
- Issue date Jul 9, 2019
- NEC Corporation
- Toru Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display device, terminal device, and display method
- Patent number 9,880,395
- Issue date Jan 30, 2018
- NEC Corporation
- Tetsusi Sato
- G02 - OPTICS
Information Patent Grant
Leaf area index measurement system, device, method, and program
- Patent number 9,207,072
- Issue date Dec 8, 2015
- NEC Corporation
- Masahiro Serizawa
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Display device, terminal device, and display method
- Patent number 9,122,064
- Issue date Sep 1, 2015
- NEC Corporation
- Tetsusi Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device, method, and program for encoding/decoding of speech with fu...
- Patent number 8,195,469
- Issue date Jun 5, 2012
- NEC Corporation
- Masahiro Serizawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio decoding apparatus and decoding method and program
- Patent number 7,941,319
- Issue date May 10, 2011
- NEC Corporation
- Toshiyuki Nomura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio decoding device, decoding method, and program
- Patent number 7,555,434
- Issue date Jun 30, 2009
- NEC Corporation
- Toshiyuki Nomura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech code sequence converting device and method in which coding i...
- Patent number 7,505,899
- Issue date Mar 17, 2009
- NEC Corporation
- Masahiro Serizawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech decoder and code error compensation method
- Patent number 7,499,853
- Issue date Mar 3, 2009
- Panasonic Corporation
- Koji Yoshida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Reduction of speech quality degradation caused by packet loss
- Patent number 7,272,554
- Issue date Sep 18, 2007
- NEC Corporation
- Masahiro Serizawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio decoder and coding error compensating method
- Patent number 7,171,354
- Issue date Jan 30, 2007
- Matsushita Electric Industrial Co., Ltd.
- Koji Yoshida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
MULTICAST CONTROL DEVICE, MULTICAST CONTROL METHOD, AND NON-TRANSIT...
- Publication number 20210051447
- Publication date Feb 18, 2021
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTICAST CONTROL DEVICE, MULTICAST CONTROL METHOD, AND NON-TRANSIT...
- Publication number 20210021967
- Publication date Jan 21, 2021
- NEC Corporation
- Akira KAMEI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTICAST CONTROL DEVICE, MULTICAST CONTROL METHOD, AND NON-TRANSIT...
- Publication number 20200413229
- Publication date Dec 31, 2020
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLICY CONTROL SYSTEM, PCRF ENTITY, POLICY CONTROL METHOD, AND NON-...
- Publication number 20200305021
- Publication date Sep 24, 2020
- NEC Corporation
- Kyoji HIRATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVICE CONTROL APPARATUS, CHARGING MANAGEMENT SERVER, SERVICE CONT...
- Publication number 20200288350
- Publication date Sep 10, 2020
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVICE CONTROL APPARATUS, MOBILITY MANAGEMENT APPARATUS, SERVICE C...
- Publication number 20200275374
- Publication date Aug 27, 2020
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVICE CONTROL APPARATUS, CHARGING MANAGEMENT SERVER, SERVICE CONT...
- Publication number 20200236621
- Publication date Jul 23, 2020
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASE STATION, RADIO RELAY STATION, COMMUNICATION METHOD, AND NON-TR...
- Publication number 20200112902
- Publication date Apr 9, 2020
- NEC CORPORATION
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASE STATION, RADIO RELAY STATION, COMMUNICATION METHOD, AND NON-TR...
- Publication number 20200037202
- Publication date Jan 30, 2020
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IoT DEVICE, COMMUNICATION SYSTEM, AND CONTROL METHOD AND CONTROL PR...
- Publication number 20200029184
- Publication date Jan 23, 2020
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS, GATEWAY APPARATUS, INFORMATION PR...
- Publication number 20200022015
- Publication date Jan 16, 2020
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS, COMMUNICATION METHOD, COMMUNICATI...
- Publication number 20200022059
- Publication date Jan 16, 2020
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION PROCESSING SYSTEM, COMMUNICATION PROCESSING METHOD, C...
- Publication number 20200015168
- Publication date Jan 9, 2020
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION PROCESSING SYSTEM, COMMUNICATION PROCESSING METHOD, B...
- Publication number 20190379450
- Publication date Dec 12, 2019
- NEC CORPORATION
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION PROCESSING SYSTEM, COMMUNICATION PROCESSING METHOD, C...
- Publication number 20190364437
- Publication date Nov 28, 2019
- NEC Corporation
- Akira KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, DA...
- Publication number 20190357006
- Publication date Nov 21, 2019
- NEC Corporation
- Kyoji HIRATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CORE NODE, RADIO TERMINAL, COMMUNICATION METHOD, AND NON-TRANSITORY...
- Publication number 20190069159
- Publication date Feb 28, 2019
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CORE NODE, RADIO TERMINAL, COMMUNICATION METHOD, AND NON-TRANSITORY...
- Publication number 20190069196
- Publication date Feb 28, 2019
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION PROCESSING SYSTEM AND GROUP MESSAGE PROCESSING METHOD
- Publication number 20180279166
- Publication date Sep 27, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION PROCESSING SYSTEM, GROUP MESSAGE PROCESSING METHOD, C...
- Publication number 20180279090
- Publication date Sep 27, 2018
- NEC Corporation
- Kyoji HIRATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION CONTROL APPARATUS, COMMUNICATIO...
- Publication number 20180220332
- Publication date Aug 2, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND COMMUNICATION PROGRAM
- Publication number 20180219690
- Publication date Aug 2, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION CONTROL APPARATUS, COMMUNICATIO...
- Publication number 20180213431
- Publication date Jul 26, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS TERMINAL, WIRELESS SYSTEM, WIRELESS NETWORK, WIRELESS COMM...
- Publication number 20180092038
- Publication date Mar 29, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION NETWORK, WIRE...
- Publication number 20180070309
- Publication date Mar 8, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION TERMINAL, COMMUNICATION SYSTEM, COMMUNICATION METHOD,...
- Publication number 20180063780
- Publication date Mar 1, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION NETWORK, RADIO TERM...
- Publication number 20180049121
- Publication date Feb 15, 2018
- NEC Corporation
- Toru YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPLAY DEVICE, TERMINAL DEVICE, AND DISPLAY METHOD
- Publication number 20150338669
- Publication date Nov 26, 2015
- NLT TECHNOLOGIES, LTD.
- Tetsusi SATO
- G02 - OPTICS
Information Patent Application
LEAF AREA INDEX MEASUREMENT SYSTEM, DEVICE, METHOD, AND PROGRAM
- Publication number 20130235190
- Publication date Sep 12, 2013
- NEC CORPORATION
- Masahiro Serizawa
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
DISPLAY DEVICE, TERMINAL DEVICE, AND DISPLAY METHOD
- Publication number 20110221750
- Publication date Sep 15, 2011
- Tetsusi Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masahiro Serizawa

Person

Patents Grantslast 30 patents

Multicast control device, multicast control method, and non-transit...

Information processing apparatus, communication method, communicati...

Multicast control device, multicast control method, and non-transit...

Information processing apparatus, information processing method, da...

Service control apparatus, charging management server, service cont...

Communication system, communication control apparatus, communicatio...

Policy control system, PCRF entity, policy control method, and non-...

Communication processing system, method, apparatus and control prog...

Communication processing system, communication processing method, c...

Communication processing system, communication processing method, b...

Base station, radio relay station, and communication method for can...

Base station, radio relay station, communication method for cancell...

Core node, radio terminal, communication method, and non-transitory...

Gateway function collecting data from nearby devices at first and s...

Communication system, communication control apparatus, communicatio...

Communication processing system and group message processing method

IoT device, communication system, and control method and control pr...

Wireless communication system, wireless communication network, wire...

Communication processing system, group message processing method, c...

Communication terminal, communication system, communication method,...

Display device, terminal device, and display method

Leaf area index measurement system, device, method, and program

Display device, terminal device, and display method

Device, method, and program for encoding/decoding of speech with fu...

Audio decoding apparatus and decoding method and program

Audio decoding device, decoding method, and program

Speech code sequence converting device and method in which coding i...

Speech decoder and code error compensation method

Reduction of speech quality degradation caused by packet loss

Audio decoder and coding error compensating method

Patents Applicationslast 30 patents

MULTICAST CONTROL DEVICE, MULTICAST CONTROL METHOD, AND NON-TRANSIT...

MULTICAST CONTROL DEVICE, MULTICAST CONTROL METHOD, AND NON-TRANSIT...

MULTICAST CONTROL DEVICE, MULTICAST CONTROL METHOD, AND NON-TRANSIT...

POLICY CONTROL SYSTEM, PCRF ENTITY, POLICY CONTROL METHOD, AND NON-...

SERVICE CONTROL APPARATUS, CHARGING MANAGEMENT SERVER, SERVICE CONT...

SERVICE CONTROL APPARATUS, MOBILITY MANAGEMENT APPARATUS, SERVICE C...

SERVICE CONTROL APPARATUS, CHARGING MANAGEMENT SERVER, SERVICE CONT...

BASE STATION, RADIO RELAY STATION, COMMUNICATION METHOD, AND NON-TR...

BASE STATION, RADIO RELAY STATION, COMMUNICATION METHOD, AND NON-TR...

IoT DEVICE, COMMUNICATION SYSTEM, AND CONTROL METHOD AND CONTROL PR...

INFORMATION PROCESSING APPARATUS, GATEWAY APPARATUS, INFORMATION PR...

INFORMATION PROCESSING APPARATUS, COMMUNICATION METHOD, COMMUNICATI...

COMMUNICATION PROCESSING SYSTEM, COMMUNICATION PROCESSING METHOD, C...

COMMUNICATION PROCESSING SYSTEM, COMMUNICATION PROCESSING METHOD, B...

COMMUNICATION PROCESSING SYSTEM, COMMUNICATION PROCESSING METHOD, C...

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, DA...

CORE NODE, RADIO TERMINAL, COMMUNICATION METHOD, AND NON-TRANSITORY...

CORE NODE, RADIO TERMINAL, COMMUNICATION METHOD, AND NON-TRANSITORY...

COMMUNICATION PROCESSING SYSTEM AND GROUP MESSAGE PROCESSING METHOD

COMMUNICATION PROCESSING SYSTEM, GROUP MESSAGE PROCESSING METHOD, C...

COMMUNICATION SYSTEM, COMMUNICATION CONTROL APPARATUS, COMMUNICATIO...

COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND COMMUNICATION PROGRAM

COMMUNICATION SYSTEM, COMMUNICATION CONTROL APPARATUS, COMMUNICATIO...

WIRELESS TERMINAL, WIRELESS SYSTEM, WIRELESS NETWORK, WIRELESS COMM...

WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION NETWORK, WIRE...

COMMUNICATION TERMINAL, COMMUNICATION SYSTEM, COMMUNICATION METHOD,...

RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION NETWORK, RADIO TERM...

DISPLAY DEVICE, TERMINAL DEVICE, AND DISPLAY METHOD

LEAF AREA INDEX MEASUREMENT SYSTEM, DEVICE, METHOD, AND PROGRAM

DISPLAY DEVICE, TERMINAL DEVICE, AND DISPLAY METHOD