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Tetushi Otake

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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching power supply for speeding up turn-off operation of a swit...
    • Patent number 6,204,644
    • Issue date Mar 20, 2001
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Self-oscillation-resonance type power supply circuit
    • Patent number 6,009,001
    • Issue date Dec 28, 1999
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply control device
    • Patent number 5,995,390
    • Issue date Nov 30, 1999
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply control device
    • Patent number 5,995,389
    • Issue date Nov 30, 1999
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply
    • Patent number 5,930,124
    • Issue date Jul 27, 1999
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply control device
    • Patent number 5,907,482
    • Issue date May 25, 1999
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Isolation-type switching power supply
    • Patent number 5,850,335
    • Issue date Dec 15, 1998
    • Toko, Inc.
    • Tetushi Otake
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Self-excited oscillation type power supply device
    • Patent number 5,796,241
    • Issue date Aug 18, 1998
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply
    • Patent number 5,691,632
    • Issue date Nov 25, 1997
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Isolated switching power source
    • Patent number 5,515,263
    • Issue date May 7, 1996
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Self-oscillation type DC-DC converter
    • Patent number 5,389,871
    • Issue date Feb 14, 1995
    • Toko, Inc.
    • Tetushi Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER