Ryosuke FUJIWARA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication device, surveillance server, and log collection method
- Patent number 12,021,681
- Issue date Jun 25, 2024
- Hitachi Industrial Equipment Systems Co., Ltd.
- Hiroki Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Traffic control method, receiver, and communication system
- Patent number 11,659,431
- Issue date May 23, 2023
- Hitachi, Ltd.
- Rintaro Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sensor device, sensor device management system, and sensor device m...
- Patent number 11,544,111
- Issue date Jan 3, 2023
- Hitachi, Ltd.
- Rintaro Katayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Monitoring system and its method
- Patent number 11,209,335
- Issue date Dec 28, 2021
- Hitachi, Ltd.
- Kazuo Ono
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sensor device management method and sensor device management system
- Patent number 11,133,900
- Issue date Sep 28, 2021
- Hitachi, Ltd.
- Rintaro Katayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sensor device management method and sensor device management system
- Patent number 10,996,076
- Issue date May 4, 2021
- Hitachi, Ltd.
- Rintaro Katayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antenna device, manhole cover equipped with antenna device, and pow...
- Patent number 10,923,793
- Issue date Feb 16, 2021
- Hitachi, Ltd.
- Masami Oonishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Communication device and communication system
- Patent number 10,581,622
- Issue date Mar 3, 2020
- Hitachi Automotive Systems, Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device, system and method
- Patent number 10,320,520
- Issue date Jun 11, 2019
- Hitachi, Ltd.
- Takashi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Communication device, communication device system, and communicatio...
- Patent number 10,104,016
- Issue date Oct 16, 2018
- Hitachi, Ltd.
- Takashi Takeuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wireless communication method, apparatus and program to manage chan...
- Patent number 9,980,286
- Issue date May 22, 2018
- Hitachi, Ltd.
- Haruki Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless transmission system
- Patent number 9,967,895
- Issue date May 8, 2018
- Hitachi, Ltd.
- Haruki Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless transport system
- Patent number 9,722,688
- Issue date Aug 1, 2017
- Hitachi, Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless surveillance camera system and wireless surveillance camer...
- Patent number 9,258,730
- Issue date Feb 9, 2016
- Hitachi Kokusai Electric Inc.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver
- Patent number 8,265,122
- Issue date Sep 11, 2012
- Renesas Electronics Corporation
- Tatsuo Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reciever, frequency deviation measuring unit and positioning and ra...
- Patent number 8,073,465
- Issue date Dec 6, 2011
- Hitachi, Ltd.
- Tatsuo Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver, receiver for positioning system using the same, and posit...
- Patent number 7,912,481
- Issue date Mar 22, 2011
- Hitachi Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver, frequency deviation measuring unit and positioning and ra...
- Patent number 7,881,684
- Issue date Feb 1, 2011
- Hitachi, Ltd.
- Tatsuo Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving apparatus, communication apparatus and control apparatus...
- Patent number 7,830,953
- Issue date Nov 9, 2010
- Renesas Electronics Corporation
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications apparatus, communications system, and communications...
- Patent number 7,672,362
- Issue date Mar 2, 2010
- Renesas Technology Corp.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver
- Patent number 7,664,163
- Issue date Feb 16, 2010
- Renesas Technology Corp.
- Tatsuo Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse generator and the transmitter with a pulse generator
- Patent number 7,664,161
- Issue date Feb 16, 2010
- Renesas Technology Corp.
- Takayasu Norimatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node position measuring system
- Patent number 7,321,575
- Issue date Jan 22, 2008
- Hitachi, Ltd.
- Kenichi Mizugaki
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
RADIO WAVE PROPAGATION SIMULATION SYSTEM AND METHOD FOR GENERATING...
- Publication number 20240235707
- Publication date Jul 11, 2024
- Hitachi, Ltd
- Masami OONISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MANAGEMENT DEVICE, COMMUNICATION CONTROL SYSTEM, AND COMMUNICATION...
- Publication number 20240215006
- Publication date Jun 27, 2024
- Hitachi, Ltd
- Hiromu KAMEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ENVIRONMENT EVALUATION METHOD AND WIRELESS COMMUNICATION CHAR...
- Publication number 20230396348
- Publication date Dec 7, 2023
- Hitachi, Ltd
- Ken TAKEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication Device, Surveillance Server, and Log Collection Method
- Publication number 20230047615
- Publication date Feb 16, 2023
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Hiroki YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRAFFIC CONTROL METHOD, RECEIVER, AND COMMUNICATION SYSTEM
- Publication number 20210377777
- Publication date Dec 2, 2021
- Hitachi, Ltd.
- Rintaro KATAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ANTENNA DEVICE AND MANUFACTURING METHOD OF MANHOLE COVER
- Publication number 20210013616
- Publication date Jan 14, 2021
- Hitachi, Ltd
- Masami OONISHI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SENSOR DEVICE, SENSOR DEVICE MANAGEMENT SYSTEM, AND SENSOR DEVICE M...
- Publication number 20200272516
- Publication date Aug 27, 2020
- Hitachi, Ltd
- Rintaro KATAYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SENSOR DEVICE MANAGEMENT METHOD AND SENSOR DEVICE MANAGEMENT SYSTEM
- Publication number 20190368893
- Publication date Dec 5, 2019
- Hitachi, Ltd
- Rintaro Katayama
- G01 - MEASURING TESTING
Information Patent Application
MONITORING SYSTEM AND ITS METHOD
- Publication number 20190310158
- Publication date Oct 10, 2019
- Hitachi, Ltd
- Kazuo ONO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Sensor Device Management Method and Sensor Device Management System
- Publication number 20190296866
- Publication date Sep 26, 2019
- Hitachi, Ltd
- Rintaro Katayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANTENNA DEVICE, MANHOLE COVER EQUIPPED WITH ANTENNA DEVICE, AND POW...
- Publication number 20190267695
- Publication date Aug 29, 2019
- Hitachi, Ltd
- Masami OONISHI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Communication Device and Communication System
- Publication number 20180091320
- Publication date Mar 29, 2018
- Hitachi Automotive Systems, Ltd.
- Ryosuke FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Delivery System and Delivery Method
- Publication number 20180059659
- Publication date Mar 1, 2018
- Hitachi, Ltd
- Takashi TAKEUCHI
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
COMMUNICATION DEVICE, COMMUNICATION DEVICE SYSTEM, AND COMMUNICATIO...
- Publication number 20170230310
- Publication date Aug 10, 2017
- Hitachi, Ltd
- Takashi TAKEUCHI
- G06 - COMPUTING CALCULATING COUNTING
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
WIRELESS COMMUNICATION METHOD, APPARATUS AND PROGRAM
- Publication number 20160345359
- Publication date Nov 24, 2016
- Hitachi, Ltd
- Haruki NISHIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication Device, System and Method
- Publication number 20160294508
- Publication date Oct 6, 2016
- Hitachi, Ltd
- Takashi TAKEUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless Transport System
- Publication number 20160028467
- Publication date Jan 28, 2016
- Hitachi, Ltd
- Ryosuke FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless Surveillance Camera System and Wireless Surveillance Camer...
- Publication number 20150223099
- Publication date Aug 6, 2015
- Hitachi Kokusai Electric Inc.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS TRANSMISSION SYSTEM
- Publication number 20150036619
- Publication date Feb 5, 2015
- Hitachi, Ltd
- Haruki NISHIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reciever, frequency deviation measuring unit and positioning and ra...
- Publication number 20110092223
- Publication date Apr 21, 2011
- Hitachi, Ltd.
- Tatsuo Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiver
- Publication number 20100103986
- Publication date Apr 29, 2010
- RENESAS TECHNOLOGY CORP.
- Tatsuo Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD
- Publication number 20080298341
- Publication date Dec 4, 2008
- Ryosuke FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Node location method, node location system and server
- Publication number 20080232297
- Publication date Sep 25, 2008
- Kenichi Mizugaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Positioning system
- Publication number 20080090588
- Publication date Apr 17, 2008
- Kenichi Mizugaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER, RECEIVER FOR POSITIONING SYSTEM USING THE SAME, AND POSIT...
- Publication number 20080075151
- Publication date Mar 27, 2008
- Hitachi, Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Terminal location system and positioning method
- Publication number 20070217379
- Publication date Sep 20, 2007
- Hitachi, Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiving apparatus, communication apparatus and control apparatus...
- Publication number 20070116104
- Publication date May 24, 2007
- RENESAS TECHNOLOGY CORP.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiver, frequency deviation measuring unit and positioning and ra...
- Publication number 20070060079
- Publication date Mar 15, 2007
- Tatsuo Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pulse generator and the transmitter with a pulse generator
- Publication number 20060197618
- Publication date Sep 7, 2006
- RENESAS TECHNOLOGY CORP.
- Takayasu Norimatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ryosuke FUJIWARA

Person

Patents Grantslast 30 patents

Communication device, surveillance server, and log collection method

Traffic control method, receiver, and communication system

Sensor device, sensor device management system, and sensor device m...

Monitoring system and its method

Sensor device management method and sensor device management system

Sensor device management method and sensor device management system

Antenna device, manhole cover equipped with antenna device, and pow...

Communication device and communication system

Communication device, system and method

Large-scale sensor network system

Communication device, communication device system, and communicatio...

Wireless communication method, apparatus and program to manage chan...

Wireless transmission system

Wireless transport system

Wireless surveillance camera system and wireless surveillance camer...

Receiver

Reciever, frequency deviation measuring unit and positioning and ra...

Receiver, receiver for positioning system using the same, and posit...

Receiver, frequency deviation measuring unit and positioning and ra...

Receiving apparatus, communication apparatus and control apparatus...

Communications apparatus, communications system, and communications...

Receiver

Pulse generator and the transmitter with a pulse generator

Node position measuring system

Patents Applicationslast 30 patents

RADIO WAVE PROPAGATION SIMULATION SYSTEM AND METHOD FOR GENERATING...

MANAGEMENT DEVICE, COMMUNICATION CONTROL SYSTEM, AND COMMUNICATION...

RADIO ENVIRONMENT EVALUATION METHOD AND WIRELESS COMMUNICATION CHAR...

Communication Device, Surveillance Server, and Log Collection Method

TRAFFIC CONTROL METHOD, RECEIVER, AND COMMUNICATION SYSTEM

ANTENNA DEVICE AND MANUFACTURING METHOD OF MANHOLE COVER

SENSOR DEVICE, SENSOR DEVICE MANAGEMENT SYSTEM, AND SENSOR DEVICE M...

SENSOR DEVICE MANAGEMENT METHOD AND SENSOR DEVICE MANAGEMENT SYSTEM

MONITORING SYSTEM AND ITS METHOD

Sensor Device Management Method and Sensor Device Management System

ANTENNA DEVICE, MANHOLE COVER EQUIPPED WITH ANTENNA DEVICE, AND POW...

Communication Device and Communication System

Delivery System and Delivery Method

COMMUNICATION DEVICE, COMMUNICATION DEVICE SYSTEM, AND COMMUNICATIO...

LARGE-SCALE SENSOR NETWORK SYSTEM

WIRELESS COMMUNICATION METHOD, APPARATUS AND PROGRAM

Communication Device, System and Method

Wireless Transport System

Wireless Surveillance Camera System and Wireless Surveillance Camer...

WIRELESS TRANSMISSION SYSTEM

Reciever, frequency deviation measuring unit and positioning and ra...

Receiver

RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD

Node location method, node location system and server

Positioning system

RECEIVER, RECEIVER FOR POSITIONING SYSTEM USING THE SAME, AND POSIT...

Terminal location system and positioning method

Receiving apparatus, communication apparatus and control apparatus...

Receiver, frequency deviation measuring unit and positioning and ra...

Pulse generator and the transmitter with a pulse generator