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Yasuyuki Kojima
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Indoor and outdoor unit communication via signal from a power line
Patent number
7,770,403
Issue date
Aug 10, 2010
Hitachi Appliances, Inc.
Yasuyuki Kojima
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Semiconductor device having capacitive insulation means and communi...
Patent number
7,598,605
Issue date
Oct 6, 2009
Hitachi, Ltd.
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Indoor and outdoor unit communication via signal from a power line
Patent number
7,523,619
Issue date
Apr 28, 2009
Hitachi Appliances, Inc.
Yasuyuki Kojima
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Isolator and a modem device using the isolator
Patent number
7,522,692
Issue date
Apr 21, 2009
Hitachi, Ltd.
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Air conditioner and power line communication system
Patent number
7,334,417
Issue date
Feb 26, 2008
Hitachi Appliances, Inc.
Koichi Tokushige
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Isolator and a modem device using the isolator
Patent number
7,289,553
Issue date
Oct 30, 2007
Hitachi, Ltd.
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device including primary and secondary side circuits...
Patent number
7,091,588
Issue date
Aug 15, 2006
Hitachi, Ltd.
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Controller and operating system
Patent number
6,993,765
Issue date
Jan 31, 2006
Hitachi, Ltd.
Shoji Suzuki
G05 - CONTROLLING REGULATING
Information
Patent Grant
Semiconductor device and communication terminal using thereof
Patent number
6,853,063
Issue date
Feb 8, 2005
Hitachi, Ltd.
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device for turning on light and illumination apparatus
Patent number
6,734,641
Issue date
May 11, 2004
Hitachi, Ltd.
Hiroyuki Shoji
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device and communication terminal using thereof
Patent number
6,611,051
Issue date
Aug 26, 2003
Hitachi, Ltd.
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Isolator and a modem device using the isolator
Patent number
6,603,807
Issue date
Aug 5, 2003
Hitachi, Ltd.
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device for turning on light and illumination apparatus
Patent number
6,570,343
Issue date
May 27, 2003
Hitachi, Ltd.
Hiroyuki Shoji
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Over-sampling A/D, D/A converter
Patent number
6,476,750
Issue date
Nov 5, 2002
Hitachi, Ltd.
Nobuyasu Kanekawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor integrated circuit device and manufacturing method th...
Patent number
6,445,055
Issue date
Sep 3, 2002
Hitachi, Ltd.
Takayuki Iwasakii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Image processing apparatus having plural image processors and appar...
Patent number
6,437,825
Issue date
Aug 20, 2002
Hitachi, Ltd.
Tatsuki Inuzuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device
Patent number
6,407,432
Issue date
Jun 18, 2002
Hitachi, Ltd.
Minehiro Nemoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Signal transmission apparatus using an isolator, modem, and informa...
Patent number
6,389,063
Issue date
May 14, 2002
Hitachi, Ltd.
Nobuyasu Kanekawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Line interface circuit and information communication apparatus usin...
Patent number
6,344,809
Issue date
Feb 5, 2002
Hitachi, Ltd.
Nobuyasu Kanekawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power storage device and method of measuring voltage of storage bat...
Patent number
6,297,618
Issue date
Oct 2, 2001
Hitachi Ltd.
Akihiko Emori
G01 - MEASURING TESTING
Information
Patent Grant
Image signal processing apparatus
Patent number
5,812,274
Issue date
Sep 22, 1998
Hitachi, Ltd.
Tatsuki Inuzuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thermographical image copier system with real time copying and vari...
Patent number
5,805,312
Issue date
Sep 8, 1998
Hitachi, Ltd.
Naohiro Ozawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image signal processing apparatus
Patent number
5,555,095
Issue date
Sep 10, 1996
Hitachi, Ltd.
Tatsuki Inuzuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modulator-demodulator apparatus and system
Patent number
5,259,000
Issue date
Nov 2, 1993
Hitachi, Ltd.
Yasuyuki Kojima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus and method for processing a fixed document
Patent number
5,162,838
Issue date
Nov 10, 1992
Hitachi, Ltd.
Tatsuki Inuzuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encoding/decoding system
Patent number
RE33632
Issue date
Jul 9, 1991
Hitachi, Ltd.
Kozo Nakamura
358 - Facsimile and static presentation processing
Information
Patent Grant
Thermal recording apparatus
Patent number
4,649,401
Issue date
Mar 10, 1987
Hitachi, Ltd.
Yasuyuki Kojima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Encoding/decoding system
Patent number
4,597,016
Issue date
Jun 24, 1986
Hitachi, Ltd.
Kozo Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thermal recording method
Patent number
4,149,171
Issue date
Apr 10, 1979
Hitachi, Ltd.
Kunio Sato
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
INDOOR AND OUTDOOR UNIT COMMUNICATION VIA SIGNAL FROM A POWER LINE
Publication number
20090145147
Publication date
Jun 11, 2009
HITACHI APPLIANCES INC.
Yasuyuki Kojima
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Isolator and a modem device using the isolator
Publication number
20070153886
Publication date
Jul 5, 2007
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Semiconductor device and communication terminal using thereof
Publication number
20060267193
Publication date
Nov 30, 2006
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Communication apparatus and communication system and method for cal...
Publication number
20060242022
Publication date
Oct 26, 2006
Koji Hashimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Controller and operating system
Publication number
20060059491
Publication date
Mar 16, 2006
Hitachi, Ltd
Shoji Suzuki
G05 - CONTROLLING REGULATING
Information
Patent Application
Appliance control apparatus and electrical appliance
Publication number
20060012489
Publication date
Jan 19, 2006
HITACHI, LTD.
Toshimi Yokota
G08 - SIGNALLING
Information
Patent Application
Air conditioner and power line communication system
Publication number
20050188706
Publication date
Sep 1, 2005
Koichi Tokushige
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Semiconductor device including primary and secondary side circuits...
Publication number
20050112932
Publication date
May 26, 2005
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Air conditioning system
Publication number
20050005619
Publication date
Jan 13, 2005
Yasuyuki Kojima
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Semiconductor device and communication terminal using thereof
Publication number
20030201523
Publication date
Oct 30, 2003
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Isolator and a modem device using the isolator
Publication number
20030169808
Publication date
Sep 11, 2003
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device for turning on light and illumination apparatus
Publication number
20030127997
Publication date
Jul 10, 2003
Hiroyuki Shoji
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Controller and operating system
Publication number
20030046324
Publication date
Mar 6, 2003
Shoji Suzuki
G05 - CONTROLLING REGULATING
Information
Patent Application
Communication apparatus and communication system and method for cal...
Publication number
20020198851
Publication date
Dec 26, 2002
Koji Hashimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electric circuit board including glass substrate and method and app...
Publication number
20020153165
Publication date
Oct 24, 2002
Yasuyuki Kojima
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Semiconductor device and communication terminal using thereof
Publication number
20020125555
Publication date
Sep 12, 2002
Noboru Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20020117750
Publication date
Aug 29, 2002
Yasuyuki Kojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and manufacturing method th...
Publication number
20020017686
Publication date
Feb 14, 2002
Takayuki Iwasakii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Power storage device and method of measuring voltage of storage bat...
Publication number
20010011881
Publication date
Aug 9, 2001
Hitachi, Ltd.
Akihiko Emori
G01 - MEASURING TESTING