TREA

Masanori Tsukahara

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for removing thin metal films
    • Patent number 7,544,283
    • Issue date Jun 9, 2009
    • Hitachi Zosen Corporation
    • Hiroyuki Daiku
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Apparatus for separating plastic chips
    • Patent number 6,903,294
    • Issue date Jun 7, 2005
    • Hitachi Zosen Corporation
    • Hiroyuki Daiku
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic sorter
    • Patent number 6,720,514
    • Issue date Apr 13, 2004
    • Hitachi Zosen Corporation
    • Tetsuya Inoue
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic chip separator
    • Patent number 6,467,628
    • Issue date Oct 22, 2002
    • Hitachi Zosen Corporation
    • Hidehiko Maehata
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for separating plastic
    • Patent number 6,426,474
    • Issue date Jul 30, 2002
    • Hitachi Zosen Corporation
    • Hidehiko Maehata
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of separating plastic
    • Patent number 6,415,929
    • Issue date Jul 9, 2002
    • Hitachi Zosen Corporation
    • Hidehiko Maehata
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electric screen device
    • Patent number 6,357,390
    • Issue date Mar 19, 2002
    • Hitachi Zosen Corporation
    • Hidehiko Maehata
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Frictional charging device
    • Patent number 6,271,492
    • Issue date Aug 7, 2001
    • Hitachi Zosen Corporation
    • Hidehiko Maehata
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus to prevent the entrance of aquatic species into the intak...
    • Patent number 5,078,542
    • Issue date Jan 7, 1992
    • Hitachi Zosen Corporation
    • Tohru Yoshikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents