TREA

Manabu Yokoyama

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  • Kyoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    LED head
    • Patent number 5,506,612
    • Issue date Apr 9, 1996
    • Rohm Co., Ltd.
    • Hiromi Ogata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    LED head fixture and LED head using the same
    • Patent number 5,403,102
    • Issue date Apr 4, 1995
    • Rohm Co., Ltd.
    • Manabu Yokoyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Apparatus for optically writing information
    • Patent number 5,023,442
    • Issue date Jun 11, 1991
    • Rohm Co., Ltd.
    • Hideo Taniguchi
    • G06 - COMPUTING CALCULATING COUNTING