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Masao Tanahashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Reciprocating-type electric shaver
    • Patent number 6,098,288
    • Issue date Aug 8, 2000
    • Matsushita Electric Works, Ltd.
    • Syuji Miyagawa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Dry shaver with a skin stretcher
    • Patent number 5,943,777
    • Issue date Aug 31, 1999
    • Matsushita Electric Works, Ltd.
    • Shin Hosokawa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Vibratory linear actuator and method of driving the same
    • Patent number 5,921,134
    • Issue date Jul 13, 1999
    • Matsushita Electric Works, Ltd.
    • Takeshi Shiba
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Hand-held depilating device
    • Patent number 5,810,843
    • Issue date Sep 22, 1998
    • Matsushita Electric Works, Ltd.
    • Jyuzaemon Iwasaki
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Linear oscillating motor
    • Patent number 5,736,797
    • Issue date Apr 7, 1998
    • Matsushita Electric Works, Ltd.
    • Ryo Motohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Dry shaver with a skin stretcher
    • Patent number 5,706,582
    • Issue date Jan 13, 1998
    • Matsushita Electric Works, Ltd.
    • Shin Hosokawa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Reciprocatory dry shaver
    • Patent number 5,632,087
    • Issue date May 27, 1997
    • Matsushita Electric Works, Ltd.
    • Ryo Motohashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Reciprocatory dry shaver
    • Patent number 5,551,154
    • Issue date Sep 3, 1996
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Reciprocatory dry shaver
    • Patent number 5,548,899
    • Issue date Aug 27, 1996
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Reciprocatory dry shaver
    • Patent number 5,546,659
    • Issue date Aug 20, 1996
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Dry shaver with floating cutter heads
    • Patent number 5,539,984
    • Issue date Jul 30, 1996
    • Matsushita Electric Works, Ltd.
    • Toshio Ikuta
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Depilating device with skin guide stretcher
    • Patent number 5,507,753
    • Issue date Apr 16, 1996
    • Matsushita Electric Works, Ltd.
    • Jyuzaemon Iwasaki
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Reciprocatory dry shaver
    • Patent number 5,398,412
    • Issue date Mar 21, 1995
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Depilating device
    • Patent number 5,356,415
    • Issue date Oct 18, 1994
    • Matsushita Electric Works, Ltd.
    • Juzaemon Iwasaki
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Rotary dry shaver
    • Patent number 5,283,953
    • Issue date Feb 8, 1994
    • Matsushita Electric Works, Ltd.
    • Toshio Ikuta
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Reciprocatory electric shaver
    • Patent number 5,189,792
    • Issue date Mar 2, 1993
    • Matsushita Electric Works, Ltd.
    • Kiyotaka Otsuka
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Process of preparing a ferritic alloy with a wear-resistive alumina...
    • Patent number 5,156,805
    • Issue date Oct 20, 1992
    • Matsushita Electric Works, Ltd.
    • Junji Imai
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Depilating device
    • Patent number 5,108,410
    • Issue date Apr 28, 1992
    • Matsushita Electric Works, Ltd.
    • Juzaemon Iwasaki
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Motor driven oscillating razor
    • Patent number 5,046,249
    • Issue date Sep 10, 1991
    • Matsushita Electric Works, Ltd.
    • Manabu Kawara
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Dry shaver with a readily replaceable outer shearing foil
    • Patent number 4,837,929
    • Issue date Jun 13, 1989
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Cutting head for an electric shaver
    • Patent number 4,635,360
    • Issue date Jan 13, 1987
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Inner cutter for electric shavers
    • Patent number 4,589,205
    • Issue date May 20, 1986
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Reciprocal blade assembly of electric shaver
    • Patent number 4,493,149
    • Issue date Jan 15, 1985
    • Matsushita Electric Works, Ltd.
    • Masao Tanahashi
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Electric shaver with rotary blade
    • Patent number 4,413,410
    • Issue date Nov 8, 1983
    • Matsushita Electric Works, Ltd.
    • Kiyotaka Otsuka
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING