TREA

Densei-Lambda K.K.

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  • Tokyo, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Uninterruptible power supply unit
    • Patent number 8,138,910
    • Issue date Mar 20, 2012
    • Densei-Lambda K.K.
    • Kazuhiro Iwai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Battery pack for uninterruptible power supply
    • Patent number D622659
    • Issue date Aug 31, 2010
    • Densei-Lambda K.K.
    • Koichi Soeda
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Uninterruptible power supply system
    • Patent number 7,535,201
    • Issue date May 19, 2009
    • Densei-Lambda Kabushiki Kaisha
    • Hiroshi Nakazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Uninterruptible power supply, uninterruptible power supply system a...
    • Patent number 7,525,218
    • Issue date Apr 28, 2009
    • Densei-Lambda K.K.
    • Fujitaka Togashi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electrical system wiring diagram generating system, and power suppl...
    • Patent number 7,444,208
    • Issue date Oct 28, 2008
    • Densei-Lambda K.K.
    • Hirokazu Kadoi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Uninterruptible power supply
    • Patent number D573533
    • Issue date Jul 22, 2008
    • Densei-Lambda K.K.
    • Koichi Soeda
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Overvoltage protection circuit, and power source, power supply syst...
    • Patent number 7,355,829
    • Issue date Apr 8, 2008
    • Hitachi, Ltd.
    • Hideho Yamamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Pulse generator
    • Patent number 7,292,081
    • Issue date Nov 6, 2007
    • Densei-Lambda Kabushiki Kaisha
    • Eiji Takegami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Uninterrupted power supply managing system displays connection tree...
    • Patent number 7,181,630
    • Issue date Feb 20, 2007
    • Densei-Lambda K.K.
    • Hirokazu Kadoi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Switching power supply
    • Patent number 6,711,035
    • Issue date Mar 23, 2004
    • Densei-Lambda Kabushiki Kaisha
    • Satoshi Tomioka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC/DC converter
    • Patent number 6,671,190
    • Issue date Dec 30, 2003
    • Densei-Lambda Kabushiki Kaisha
    • Eiji Takegami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current mode DC/DC regulator having function for detecting input an...
    • Patent number 6,646,426
    • Issue date Nov 11, 2003
    • Densei-Lambda Kabushiki Kaisha
    • Hiroto Terashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    On board mounting electronic apparatus and on board mounting electr...
    • Patent number 6,643,135
    • Issue date Nov 4, 2003
    • Densei-Lambda Kabushiki Kaisha
    • Satoshi Tomioka
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Switching power supply
    • Patent number 6,580,626
    • Issue date Jun 17, 2003
    • Densei-Lambda Kabushiki Kaisha
    • Eiji Takegami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Resonant power converter
    • Patent number 6,483,721
    • Issue date Nov 19, 2002
    • Densei-Lambda K.K.
    • Hiroto Terashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply
    • Patent number D465199
    • Issue date Nov 5, 2002
    • Densei-Lambda Kabushiki Kaisha
    • Satoshi Tomioka
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Power supply
    • Patent number D464317
    • Issue date Oct 15, 2002
    • Densei-Lambda Kabushiki Kaisha
    • Satoshi Tomioka
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Switching power supply
    • Patent number 6,462,965
    • Issue date Oct 8, 2002
    • Densei-Lambda Kabushiki Kaisha
    • Nobutaka Uesono
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    BATTERY PACK
    • Publication number 20090220851
    • Publication date Sep 3, 2009
    • Densei-Lambda Kabushiki Kaisha
    • Hiroshi Nakazawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIGITAL CONTROLLER
    • Publication number 20090099704
    • Publication date Apr 16, 2009
    • UNIVERSITY OF ELECTRO- COMMUNICATIONS
    • Eiji Takegami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC POWER SUPPLY SYSTEM
    • Publication number 20090091191
    • Publication date Apr 9, 2009
    • Densei-Lambda K.K.
    • Satoshi Tomioka
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Uninterruptible Power Supply
    • Publication number 20090091189
    • Publication date Apr 9, 2009
    • Densei-Lambda K.K.
    • Kouichi Soeda
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Battery Pack
    • Publication number 20090053585
    • Publication date Feb 26, 2009
    • Densei-Lambda Kabushiki Kaisha
    • Hiroshi Nakazawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD AND DEVICE FOR SAFETY PROTECTION OF SECONDARY BATTERY
    • Publication number 20090021217
    • Publication date Jan 22, 2009
    • Densei-Lambda K.K.
    • Hiroshi Nakazawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SECONDARY BATTERY PACK
    • Publication number 20080299445
    • Publication date Dec 4, 2008
    • Densei-Lambda K.K.
    • Yasuo Nagasawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    BATTERY PACK
    • Publication number 20080299452
    • Publication date Dec 4, 2008
    • Densei-Lambda K.K.
    • Hiroshi Nakazawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    UNINTERRUPTIBLE POWER SUPPLY SYSTEM
    • Publication number 20080084185
    • Publication date Apr 10, 2008
    • Densei-Lambda Kabushiki Kaisha
    • Hiroshi Nakazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    UNINTERRUPTIBLE POWER SUPPLY, UNINTERRUPTIBLE POWER SUPPLY SYSTEM A...
    • Publication number 20070210650
    • Publication date Sep 13, 2007
    • Densei-Lambda K.K.
    • FUJITAKA TOGASHI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Pulse generator
    • Publication number 20060076994
    • Publication date Apr 13, 2006
    • Densei-Lambda Kabushiki Kaisha
    • Eiji Takegami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Delay device, power supply device, and program product for delaying...
    • Publication number 20050111583
    • Publication date May 26, 2005
    • Densei-Lambda K.K.
    • Yoshihiro Komatsuzaki
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Uniterrupted power supply managing system and managing method, and...
    • Publication number 20030085624
    • Publication date May 8, 2003
    • Densei-Lambda K.K.
    • Hirokazu Kadoi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Resonant power converter
    • Publication number 20010021114
    • Publication date Sep 13, 2001
    • Densei-Lambda K.K.
    • Hiroto Terashi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Trademarklast 30 trademarks

  • Information Trademark

    78306822 - 9BALLCONCEPT
    • Serial number 78306822
    • Filing date Sep 29, 2003
    • DENSEI-LAMBDA K.K.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    78306784 - 9BALL
    • Serial number 78306784
    • Filing date Sep 29, 2003
    • DENSEI-LAMBDA K.K.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    76148712 - DENSEI-LAMBDA
    • Serial number 76148712
    • Registration number 2732739
    • Filing date Oct 17, 2000
    • DENSEI-LAMBDA K.K.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments