TREA

Tadayuki Wakatabi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealed letter producing device and envelope sheet
    • Patent number 9,833,965
    • Issue date Dec 5, 2017
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Envelope sheet
    • Patent number 9,296,520
    • Issue date Mar 29, 2016
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sealed letter forming apparatus
    • Patent number 9,283,803
    • Issue date Mar 15, 2016
    • Riso Kagaku Corporation
    • Akiko Nozawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Envelope sheet
    • Patent number 9,139,338
    • Issue date Sep 22, 2015
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Paper for envelope
    • Patent number D685417
    • Issue date Jul 2, 2013
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • D19 - Office supplies
  • Information Patent Grant

    Post card making device
    • Patent number 7,428,073
    • Issue date Sep 23, 2008
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Stencil printer
    • Patent number 7,066,086
    • Issue date Jun 27, 2006
    • Riso Kagaku Corporation
    • Toshihiro Endo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Combined printer and scanner
    • Patent number D523074
    • Issue date Jun 13, 2006
    • Riso Kagaku Corporation
    • Kouki Mitani
    • D18 - Printing and office machinery
  • Information Patent Grant

    Tray for a scanner
    • Patent number D514583
    • Issue date Feb 7, 2006
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Display panel portion for a printer
    • Patent number D509831
    • Issue date Sep 20, 2005
    • Riso Kagaku Corporation
    • Kouki Mitani
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Case
    • Patent number D506610
    • Issue date Jun 28, 2005
    • Riso Kagaku Corporation
    • Kouki Mitani
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Paper receiving tray
    • Patent number D502499
    • Issue date Mar 1, 2005
    • Riso Kagaku Corporation
    • Kouki Mitani
    • D18 - Printing and office machinery

Patents Applicationslast 30 patents

  • Information Patent Application

    SHEET BONDING DEVICE AND ENCLOSING-SEALING DEVICE
    • Publication number 20150135642
    • Publication date May 21, 2015
    • Riso Kagaku Corporation
    • Yoshihiro NAKAMURA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ENVELOPING MACHINE
    • Publication number 20140187400
    • Publication date Jul 3, 2014
    • Riso Kagaku Corporation
    • Tadayuki WAKATABI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ENVELOPE SHEET
    • Publication number 20140076960
    • Publication date Mar 20, 2014
    • Riso Kagaku Corporation
    • Tadayuki WAKATABI
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    SEALED LETTER PRODUCING DEVICE AND ENVELOPE SHEET
    • Publication number 20130260977
    • Publication date Oct 3, 2013
    • Tadayuki Wakatabi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ENVELOPE SHEET
    • Publication number 20130206824
    • Publication date Aug 15, 2013
    • Riso Kagaku Corporation
    • Tadayuki WAKATABI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SEALED LETTER PREPARING APPARATUS
    • Publication number 20130174515
    • Publication date Jul 11, 2013
    • Tadayuki Wakatabi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SEALED LETTER FORMING APPARATUS
    • Publication number 20120260605
    • Publication date Oct 18, 2012
    • Riso Kagaku Corporation
    • Akiko NOZAWA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Assembly of original reading device and original placing tray
    • Publication number 20050002068
    • Publication date Jan 6, 2005
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Post card making device
    • Publication number 20050002062
    • Publication date Jan 6, 2005
    • Riso Kagaku Corporation
    • Tadayuki Wakatabi
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER