Yasutaka SERIZAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multihop wireless communication system, aggregation device, and wir...
- Patent number 10,750,429
- Issue date Aug 18, 2020
- Hitachi, Ltd.
- Yasutaka Serizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time synchronization system
- Patent number 10,531,417
- Issue date Jan 7, 2020
- Hitachi, Ltd.
- Hisanori Matsumoto
- G01 - MEASURING TESTING
Information Patent Grant
Large-scale sensor network system
- Patent number 10,306,339
- Issue date May 28, 2019
- Hitachi, Ltd.
- Yasutaka Serizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-hop radio communication method
- Patent number 10,045,375
- Issue date Aug 7, 2018
- Hitachi, Ltd.
- Yasutaka Serizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio base station, radio communication network system, and communi...
- Patent number 9,769,779
- Issue date Sep 19, 2017
- Hitachi, Ltd.
- Masayuki Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gateway wireless communication instrument, wireless communication s...
- Patent number 9,325,368
- Issue date Apr 26, 2016
- Hitachi, Ltd.
- Yasutaka Serizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MEASUREMENT SYSTEM, MEASUREMENT METHOD, AND COMPUTER PROGRAM
- Publication number 20240255480
- Publication date Aug 1, 2024
- Hitachi, Ltd
- Masuyoshi YAMADA
- G01 - MEASURING TESTING
Information Patent Application
State Monitoring Method and State Monitoring System
- Publication number 20240022701
- Publication date Jan 18, 2024
- Hitachi, Ltd
- Yasutaka SERIZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multihop Wireless Communication System, Aggregation Device, and Wir...
- Publication number 20180302837
- Publication date Oct 18, 2018
- Hitachi, Ltd
- Yasutaka SERIZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TIME SYNCHRONIZATION SYSTEM
- Publication number 20180063805
- Publication date Mar 1, 2018
- Hitachi, Ltd
- Hisanori MATSUMOTO
- G01 - MEASURING TESTING
Information Patent Application
LARGE-SCALE SENSOR NETWORK SYSTEM
- Publication number 20170134833
- Publication date May 11, 2017
- Hitachi, Ltd
- Yasutaka SERIZAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-HOP RADIO COMMUNICATION METHOD
- Publication number 20160338099
- Publication date Nov 17, 2016
- Hitachi, Ltd
- Yasutaka SERIZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio Base Station, Radio Communication Network System, and Communi...
- Publication number 20150109991
- Publication date Apr 23, 2015
- Hitachi, Ltd
- Masayuki MIYAZAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM AND WIRELESS ROUTER
- Publication number 20140293855
- Publication date Oct 2, 2014
- Hitachi, Ltd.
- Yasutaka Serizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless Communication Device, Wireless Communication System, And W...
- Publication number 20140078931
- Publication date Mar 20, 2014
- Hitachi, Ltd
- Yasutaka SERIZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GATEWAY WIRELESS COMMUNICATION INSTRUMENT, WIRELESS COMMUNICATION S...
- Publication number 20130235905
- Publication date Sep 12, 2013
- Hitachi,Ltd
- YASUTAKA SERIZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yasutaka SERIZAWA

Person

Patents Grantslast 30 patents

Multihop wireless communication system, aggregation device, and wir...

Time synchronization system

Large-scale sensor network system

Multi-hop radio communication method

Radio base station, radio communication network system, and communi...

Gateway wireless communication instrument, wireless communication s...

Patents Applicationslast 30 patents

MEASUREMENT SYSTEM, MEASUREMENT METHOD, AND COMPUTER PROGRAM

State Monitoring Method and State Monitoring System

Multihop Wireless Communication System, Aggregation Device, and Wir...

TIME SYNCHRONIZATION SYSTEM

LARGE-SCALE SENSOR NETWORK SYSTEM

MULTI-HOP RADIO COMMUNICATION METHOD

Radio Base Station, Radio Communication Network System, and Communi...

WIRELESS COMMUNICATION SYSTEM AND WIRELESS ROUTER

Wireless Communication Device, Wireless Communication System, And W...

GATEWAY WIRELESS COMMUNICATION INSTRUMENT, WIRELESS COMMUNICATION S...