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Patents Grants
last 30 patents
Information
Patent Grant
Polymerizable boric compounds, methods of producing the same, polym...
Patent number
7,923,580
Issue date
Apr 12, 2011
Hitachi, Ltd.
Norio Iwayasu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerizable boric compounds, methods of producing the same, polym...
Patent number
7,759,003
Issue date
Jul 20, 2010
Hitachi, Ltd.
Norio Iwayasu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cationic conductor, its intermediate, and lithium secondary battery...
Patent number
7,704,642
Issue date
Apr 27, 2010
Hitachi, Ltd.
Shin Nishimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Lithium secondary battery
Patent number
7,473,492
Issue date
Jan 6, 2009
Hitachi, Ltd.
Takefumi Okumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Digital electronic apparatus with suppressed radiant noise
Patent number
7,453,699
Issue date
Nov 18, 2008
Canon Kabushiki Kaisha
Hideho Inagawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cationic conductor, its intermediate, and lithium secondary battery...
Patent number
7,300,991
Issue date
Nov 27, 2007
Hitachi, Ltd.
Shin Nishimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical transmission system constructing method and system
Patent number
7,292,785
Issue date
Nov 6, 2007
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cationic conductor
Patent number
7,273,677
Issue date
Sep 25, 2007
Hitachi, Ltd.
Akira Satou
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Boron-containing compound, ion-conductive polymer and polyelectroly...
Patent number
7,230,057
Issue date
Jun 12, 2007
Hitachi, Ltd.
Takefumi Okumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Digital electronic apparatus with suppressed radiant noise
Patent number
7,189,923
Issue date
Mar 13, 2007
Canon Kabushiki Kaisha
Hideho Inagawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Optical transmission system constructing method and system
Patent number
7,167,652
Issue date
Jan 23, 2007
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cationic conductor
Patent number
7,125,629
Issue date
Oct 24, 2006
Hitachi, Ltd.
Akira Satou
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical transmission system constructing method and system
Patent number
6,728,489
Issue date
Apr 27, 2004
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adhesive film of quinoline polymer and bismaleimide
Patent number
6,462,148
Issue date
Oct 8, 2002
Hitachi Chemical Co., Ltd.
Masahiro Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical transmission equipment which transmits an amplified optical...
Patent number
6,266,169
Issue date
Jul 24, 2001
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission equipment which transmits an amplified optical...
Patent number
6,018,405
Issue date
Jan 25, 2000
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wavelength multiplexing system
Patent number
6,005,699
Issue date
Dec 21, 1999
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical repeater and optical transmitter
Patent number
5,875,046
Issue date
Feb 23, 1999
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical multiplex transmission equipment and method
Patent number
5,861,972
Issue date
Jan 19, 1999
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical repeater and optical transmitter
Patent number
5,812,289
Issue date
Sep 22, 1998
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system constructing method and system
Patent number
5,739,932
Issue date
Apr 14, 1998
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thin film wiring board
Patent number
5,686,191
Issue date
Nov 11, 1997
Hitachi, Ltd.
Takao Miwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical multiplex transmission equipment and method
Patent number
5,671,074
Issue date
Sep 23, 1997
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polymerizable compouund, process for producing same and setting com...
Patent number
5,565,536
Issue date
Oct 15, 1996
Hitachi, Ltd.
Shin Nishimura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical transmission system constructing method and system
Patent number
5,555,477
Issue date
Sep 10, 1996
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber transmission system and supervision method of the same
Patent number
5,500,756
Issue date
Mar 19, 1996
Hitachi, Ltd.
Hideaki Tsushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polymerizable compound, process for producing same and setting comp...
Patent number
5,410,069
Issue date
Apr 25, 1995
Hitachi, Ltd.
Shin Nishimura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multilayer printed circuit board and production thereof
Patent number
5,352,762
Issue date
Oct 4, 1994
Hitachi, Ltd.
Akira Nagai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Fluorine-containing curable resin composition and use thereof
Patent number
5,308,888
Issue date
May 3, 1994
Hitachi, Ltd.
Shin Nishimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the formation of a conductive circuit pattern
Patent number
5,294,291
Issue date
Mar 15, 1994
Hitachi, Ltd.
Haruo Akahoshi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IONIC CONDUCTIVE SIDE-CHAIN-TYPE POLYMER ELECTROLYTE, PRECURSOR THE...
Publication number
20120028093
Publication date
Feb 2, 2012
Akira Satou
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Polymerizable boric compounds, methods of producing the same, polym...
Publication number
20100179350
Publication date
Jul 15, 2010
Norio Iwayasu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CATIONIC CONDUCTOR, ITS INTERMEDIATE, AND LITHIUM SECONDARY BATTERY...
Publication number
20080187839
Publication date
Aug 7, 2008
Shin Nishimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Electrode for Polymer Electrolyte Secondary Battery and Polymer Ele...
Publication number
20070287070
Publication date
Dec 13, 2007
Takefumi Okumura
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
DIGITAL ELECTRONIC APPARATUS WITH SUPPRESSED RADIANT NOISE
Publication number
20070117427
Publication date
May 24, 2007
Canon Kabushiki Kaisha
Hideho Inagawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Optical transmission system constructing method and system
Publication number
20070053687
Publication date
Mar 8, 2007
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Gel electrolyte and secondary battery
Publication number
20070048616
Publication date
Mar 1, 2007
Takefumi Okumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Ionic conductive side-chain-type polymer electrolyte, precursor the...
Publication number
20070015059
Publication date
Jan 18, 2007
Akira Satou
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Cationic conductor
Publication number
20070003832
Publication date
Jan 4, 2007
Akira Satou
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymerizable boric compounds, methods of producing the same, polym...
Publication number
20060147805
Publication date
Jul 6, 2006
Norio Iwayasu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Secondary battery and production method thereof
Publication number
20060121342
Publication date
Jun 8, 2006
HITACHI, LTD.
Yuichiro Sano
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Cationic conductor
Publication number
20050288467
Publication date
Dec 29, 2005
Akira Satou
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Electrolyte and lithium secondary battery
Publication number
20050260501
Publication date
Nov 24, 2005
Takefumi Okumura
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Digital electronic apparatus with suppressed radiant noise
Publication number
20050139369
Publication date
Jun 30, 2005
Canon Kabushiki Kaishi
Hideho Inagawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Optical transmission system constructing method and system
Publication number
20040161189
Publication date
Aug 19, 2004
Hitachi, Ltd.
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Boron-containing compound, ion-conductive polymer and polyelectroly...
Publication number
20040147697
Publication date
Jul 29, 2004
Takefumi Okumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Lithium secondary battery
Publication number
20040101759
Publication date
May 27, 2004
Takefumi Okumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Lithium secondary battery
Publication number
20040101758
Publication date
May 27, 2004
Takefumi Okumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cationic conductor, its intermediate, and lithium secondary battery...
Publication number
20030194610
Publication date
Oct 16, 2003
Shin Nishimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Electrolyte and lithium ion secondary battery
Publication number
20030031932
Publication date
Feb 13, 2003
Takefumi Okumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RESIN COMPOSITION AND ADHESIVE FILM
Publication number
20020151659
Publication date
Oct 17, 2002
MASAHIRO SUZUKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Optical transmission system constructing method and system
Publication number
20020024699
Publication date
Feb 28, 2002
Hitachi, Ltd
Keiji Tomooka
H04 - ELECTRIC COMMUNICATION TECHNIQUE