Katsuhiko Tsunehara

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Work instruction system and work instruction method
- Patent number 11,823,111
- Issue date Nov 21, 2023
- Hitachi, Ltd.
- Yuuichi Suginishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wireless base station for controlling antenna transmission power
- Patent number 8,891,390
- Issue date Nov 18, 2014
- Hitachi, Ltd.
- Hajime Kanzaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Timing adjustment method, receiving station, and transmitting stati...
- Patent number 8,787,146
- Issue date Jul 22, 2014
- Hitachi, Ltd.
- Satoshi Tamaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and gateway apparatus
- Patent number 8,451,774
- Issue date May 28, 2013
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communications system
- Patent number 8,447,311
- Issue date May 21, 2013
- Hitachi, Ltd.
- Kenzaburo Fujishima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system, receiver and signal processing metho...
- Patent number 8,413,030
- Issue date Apr 2, 2013
- Hitachi Kokusai Electric Inc.
- Katsuhiko Tsunehara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wireless communications equipments with function of detecting rando...
- Patent number 8,315,153
- Issue date Nov 20, 2012
- Hitachi Kokusai Electric Inc.
- Yunjian Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication apparatus with a bus dedicated to data transmis...
- Patent number 8,165,620
- Issue date Apr 24, 2012
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Base station and mobile station for OFDMA cellular system
- Patent number 8,111,683
- Issue date Feb 7, 2012
- Hitachi, Ltd.
- Tomonori Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for measuring distance and position using spread spectrum si...
- Patent number 7,969,347
- Issue date Jun 28, 2011
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Software defined radio and library configuration therefor
- Patent number 7,756,489
- Issue date Jul 13, 2010
- Hitachi, Ltd.
- Takashi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for measuring distance and position using spread spectrum si...
- Patent number 7,663,532
- Issue date Feb 16, 2010
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for measuring distance and position using spread spectrum si...
- Patent number 7,609,197
- Issue date Oct 27, 2009
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Software defined radio system
- Patent number 7,403,580
- Issue date Jul 22, 2008
- Hitachi, Ltd.
- Hirotake Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, system, and apparatus for detecting a position of a termina...
- Patent number 7,353,032
- Issue date Apr 1, 2008
- Hitachi, Ltd.
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Software-defined radio apparatus
- Patent number 7,346,330
- Issue date Mar 18, 2008
- Hitachi, Ltd.
- Manabu Kawabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Access point apparatus for a system for determining the location of...
- Patent number 7,280,521
- Issue date Oct 9, 2007
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station and wireless communication system
- Patent number 7,272,418
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless position measurement method and wireless position measurem...
- Patent number 7,266,098
- Issue date Sep 4, 2007
- Hitachi, Ltd.
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for calculating the position of a mobile terminal, positioni...
- Patent number 7,236,879
- Issue date Jun 26, 2007
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- G01 - MEASURING TESTING
Information Patent Grant
Method, system, and apparatus for detecting a position of a termina...
- Patent number 7,167,712
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile station using positional information
- Patent number 7,116,992
- Issue date Oct 3, 2006
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- G08 - SIGNALLING
Information Patent Grant
Radio handset and position location system
- Patent number 7,072,673
- Issue date Jul 4, 2006
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio terminal
- Patent number 7,016,653
- Issue date Mar 21, 2006
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CDMA communication system and its transmission power control method
- Patent number 7,006,463
- Issue date Feb 28, 2006
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication method using CDMA multiplexing technique and m...
- Patent number 7,006,475
- Issue date Feb 28, 2006
- Hitachi, Ltd.
- Toshiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Equipment for the calculation of mobile handset position
- Patent number 6,990,351
- Issue date Jan 24, 2006
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location detection method, location detection apparatus and locatio...
- Patent number 6,950,661
- Issue date Sep 27, 2005
- Hitachi, Ltd.
- Koji Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Mobile handset with position calculation function
- Patent number 6,928,292
- Issue date Aug 9, 2005
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for controlling transmit power for communication system
- Patent number 6,907,260
- Issue date Jun 14, 2005
- KDDI Corporation
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WORK INSTRUCTION SYSTEM AND WORK INSTRUCTION METHOD
- Publication number 20210182762
- Publication date Jun 17, 2021
- Hitachi, Ltd
- Yuuichi SUGINISHI
- G05 - CONTROLLING REGULATING
Information Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND W...
- Publication number 20160057674
- Publication date Feb 25, 2016
- Hitachi, Ltd
- Eriko TAKEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS BASE STATION FOR CONTROLLING ANTENNA TRANSMISSION POWER
- Publication number 20120140658
- Publication date Jun 7, 2012
- Hitachi, Ltd.
- Hajime KANZAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASE STATION AND MOBILE STATION FOR OFDMA CELLULAR SYSTEM
- Publication number 20120120876
- Publication date May 17, 2012
- Tomonori YAMAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TIMING ADJUSTMENT METHOD, RECEIVING STATION, AND TRANSMITTING STATI...
- Publication number 20110038249
- Publication date Feb 17, 2011
- Satoshi Tamaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATIONS SYSTEM
- Publication number 20100234035
- Publication date Sep 16, 2010
- Hitachi, Ltd
- Kenzaburo Fujishima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND GATEWAY APPARATUS
- Publication number 20100157898
- Publication date Jun 24, 2010
- Hitachi, Ltd
- Katsuhiko TSUNEHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR MEASURING DISTANCE AND POSITION USING SPREAD SPECTRUM SI...
- Publication number 20100103047
- Publication date Apr 29, 2010
- Hitachi, Ltd
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATIONS EQUIPMENTS WITH FUNCTION OF DETECTING RANDO...
- Publication number 20100034078
- Publication date Feb 11, 2010
- Hitachi Kokusai Electric Inc.
- Yunjian Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM, RECEIVER AND SIGNAL PROCESSING METHO...
- Publication number 20090307567
- Publication date Dec 10, 2009
- Hitachi Kokusai Electric Inc.
- Katsuhiko Tsunehara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BASE STATION AND MOBILE STATION FOR OFDMA CELLULAR SYSTEM
- Publication number 20090232236
- Publication date Sep 17, 2009
- Tomonori YAMAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless communication system and its transmission power control me...
- Publication number 20080170555
- Publication date Jul 17, 2008
- Hitachi Communication Technologies, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for measuring distance and position using spread spectrum si...
- Publication number 20080068254
- Publication date Mar 20, 2008
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CDMA communication system and its transmission power control method
- Publication number 20080045261
- Publication date Feb 21, 2008
- Hitachi Communication Technologies, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Handover method and mobile terminal for wireless communication service
- Publication number 20070275725
- Publication date Nov 29, 2007
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, system, and apparatus for detecting a position of a termina...
- Publication number 20070087760
- Publication date Apr 19, 2007
- Hitachi, Ltd.
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Software defined radio and library configuration therefor
- Publication number 20060199550
- Publication date Sep 7, 2006
- Hitachi, Ltd. and Hitachi Communication Technologies, Ltd.
- Takashi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CDMA communication system and its transmission power control method
- Publication number 20060092886
- Publication date May 4, 2006
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Software-defined radio apparatus
- Publication number 20060052094
- Publication date Mar 9, 2006
- Manabu Kawabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio communication apparatus with a bus dedicated to data transmis...
- Publication number 20060046771
- Publication date Mar 2, 2006
- Katsuhiko Tsunehara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Software defined radio system
- Publication number 20060045212
- Publication date Mar 2, 2006
- Hitachi, Ltd.
- Hirotake Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless communication device having wireless module compatible wit...
- Publication number 20050272464
- Publication date Dec 8, 2005
- Takashi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for measuring distance and position using spread spectrum si...
- Publication number 20050140543
- Publication date Jun 30, 2005
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless position measurement method and wireless position measurem...
- Publication number 20050078626
- Publication date Apr 14, 2005
- Hitachi, Ltd.
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Base station and wireless communication system
- Publication number 20050014525
- Publication date Jan 20, 2005
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for controlling transmit power in a communication system
- Publication number 20040266473
- Publication date Dec 30, 2004
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless LAN access point apparatus
- Publication number 20040214521
- Publication date Oct 28, 2004
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for calculating the position of a mobile terminal, positioni...
- Publication number 20040172190
- Publication date Sep 2, 2004
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- G01 - MEASURING TESTING
Information Patent Application
Method for measuring distance and position using spread spectrum si...
- Publication number 20040066332
- Publication date Apr 8, 2004
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, system, and apparatus for detecting a position of a termina...
- Publication number 20040046693
- Publication date Mar 11, 2004
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Katsuhiko Tsunehara

Person

Patents Grantslast 30 patents

Work instruction system and work instruction method

Wireless base station for controlling antenna transmission power

Timing adjustment method, receiving station, and transmitting stati...

Communication system and gateway apparatus

Radio communications system

Wireless communication system, receiver and signal processing metho...

Wireless communications equipments with function of detecting rando...

Radio communication apparatus with a bus dedicated to data transmis...

Base station and mobile station for OFDMA cellular system

Method for measuring distance and position using spread spectrum si...

Software defined radio and library configuration therefor

Method for measuring distance and position using spread spectrum si...

Method for measuring distance and position using spread spectrum si...

Software defined radio system

Method, system, and apparatus for detecting a position of a termina...

Software-defined radio apparatus

Access point apparatus for a system for determining the location of...

Base station and wireless communication system

Wireless position measurement method and wireless position measurem...

Method for calculating the position of a mobile terminal, positioni...

Method, system, and apparatus for detecting a position of a termina...

Mobile station using positional information

Radio handset and position location system

Radio terminal

CDMA communication system and its transmission power control method

Mobile communication method using CDMA multiplexing technique and m...

Equipment for the calculation of mobile handset position

Location detection method, location detection apparatus and locatio...

Mobile handset with position calculation function

Method for controlling transmit power for communication system

Patents Applicationslast 30 patents

WORK INSTRUCTION SYSTEM AND WORK INSTRUCTION METHOD

WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND W...

WIRELESS BASE STATION FOR CONTROLLING ANTENNA TRANSMISSION POWER

BASE STATION AND MOBILE STATION FOR OFDMA CELLULAR SYSTEM

TIMING ADJUSTMENT METHOD, RECEIVING STATION, AND TRANSMITTING STATI...

RADIO COMMUNICATIONS SYSTEM

COMMUNICATION SYSTEM AND GATEWAY APPARATUS

METHOD FOR MEASURING DISTANCE AND POSITION USING SPREAD SPECTRUM SI...

WIRELESS COMMUNICATIONS EQUIPMENTS WITH FUNCTION OF DETECTING RANDO...

WIRELESS COMMUNICATION SYSTEM, RECEIVER AND SIGNAL PROCESSING METHO...

BASE STATION AND MOBILE STATION FOR OFDMA CELLULAR SYSTEM

Wireless communication system and its transmission power control me...

Method for measuring distance and position using spread spectrum si...

CDMA communication system and its transmission power control method

Handover method and mobile terminal for wireless communication service

Method, system, and apparatus for detecting a position of a termina...

Software defined radio and library configuration therefor

CDMA communication system and its transmission power control method

Software-defined radio apparatus

Radio communication apparatus with a bus dedicated to data transmis...

Software defined radio system

Wireless communication device having wireless module compatible wit...

Method for measuring distance and position using spread spectrum si...

Wireless position measurement method and wireless position measurem...

Base station and wireless communication system

Method for controlling transmit power in a communication system

Wireless LAN access point apparatus

Method for calculating the position of a mobile terminal, positioni...

Method for measuring distance and position using spread spectrum si...

Method, system, and apparatus for detecting a position of a termina...