TREA

Izumi Tagoku

Follow

Person

  • Machida, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Discharging member and charging device using the same
    • Patent number 5,144,521
    • Issue date Sep 1, 1992
    • Ricoh Company, Ltd.
    • Izumi Tagoku
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Information display medium
    • Patent number 4,837,071
    • Issue date Jun 6, 1989
    • Ricoh Company, Ltd.
    • Izumi Tagoku
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ventilated corona charging
    • Patent number 4,745,282
    • Issue date May 17, 1988
    • Ricoh Company, Ltd.
    • Kazuaki Tagawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Copying method for bookbinding
    • Patent number 4,640,611
    • Issue date Feb 3, 1987
    • Ricoh Company, Ltd.
    • Eishu Ohdake
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic image forming method
    • Patent number 4,628,017
    • Issue date Dec 9, 1986
    • Ricoh Company, Limited
    • Izumi Tagoku
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Copier with bookbinding function
    • Patent number 4,592,651
    • Issue date Jun 3, 1986
    • Ricoh Company, Ltd.
    • Tomohiro Oikawa
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Residual toner collecting device for electrophotographic copier
    • Patent number 4,588,285
    • Issue date May 13, 1986
    • Ricoh Company, Ltd.
    • Izumi Tagoku
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic copying apparatus
    • Patent number 4,556,311
    • Issue date Dec 3, 1985
    • Ricoh Company, Ltd.
    • Izumi Tagoku
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY