Naofumi EZAKI

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil-based inkjet ink, method for producing oil-based inkjet ink and...

    • Patent number 11,542,402
    • Issue date Jan 3, 2023
    • Riso Kagaku Corporation
    • Naofumi Ezaki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Oil-based magnetic ink

    • Patent number 11,021,624
    • Issue date Jun 1, 2021
    • Riso Kagaku Corporation
    • Kenji Yamada
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Oil-based inkjet ink and method for producing oil-based inkjet ink

    • Patent number 10,920,096
    • Issue date Feb 16, 2021
    • Riso Kagaku Corporation
    • Shinsuke Ozawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Oil-based inkjet ink and method for producing oil-based inkjet ink

    • Patent number 10,907,062
    • Issue date Feb 2, 2021
    • Riso Kagaku Corporation
    • Tomohiro Matsuzawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for forming silicone-based cured film on ink discharge surfa...

    • Patent number 9,643,417
    • Issue date May 9, 2017
    • Riso Kagaku Corporation
    • Naofumi Ezaki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Non-aqueous pigment ink

    • Patent number 9,593,251
    • Issue date Mar 14, 2017
    • Riso Kagaku Corporation
    • Tetsuo Hosoya
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Non-aqueous pigment ink

    • Patent number 9,365,736
    • Issue date Jun 14, 2016
    • Riso Kagaku Corporation
    • Tetsuo Hosoya
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    W/O emulsion ink for inkjet

    • Patent number 8,999,049
    • Issue date Apr 7, 2015
    • Riso Kagaku Corporation
    • Naofumi Ezaki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    W/O emulsion ink for inkjet

    • Patent number 8,795,421
    • Issue date Aug 5, 2014
    • Riso Kagaku Corporation
    • Kazuyuki Ando
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    W/O emulsion ink for inkjet

    • Patent number 8,778,068
    • Issue date Jul 15, 2014
    • Riso Kagaku Corporation
    • Naofumi Ezaki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Non-aqueous inkjet ink

    • Patent number 8,394,185
    • Issue date Mar 12, 2013
    • Riso Kagaku Corporation
    • Naofumi Ezaki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Inkjet ink

    • Patent number 8,232,329
    • Issue date Jul 31, 2012
    • Tokyo University of Science Educational Foundation Administrative Organization
    • Hidenori Otsuka
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL-BASED INKJET INK, METHOD FOR PRODUCING OIL-BASED INKJET INK AND...

    • Publication number 20200239719
    • Publication date Jul 30, 2020
    • Riso Kagaku Corporation
    • Naofumi EZAKI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    OIL-BASED INKJET INK AND METHOD FOR PRODUCING OIL-BASED INKJET INK

    • Publication number 20200002557
    • Publication date Jan 2, 2020
    • Riso Kagaku Corporation
    • Tomohiro MATSUZAWA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    OIL-BASED INKJET INK AND METHOD FOR PRODUCING OIL-BASED INKJET INK

    • Publication number 20190300737
    • Publication date Oct 3, 2019
    • Riso Kagaku Corporation
    • Shinsuke OZAWA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    OIL-BASED MAGNETIC INK

    • Publication number 20190031901
    • Publication date Jan 31, 2019
    • Riso Kagaku Corporation
    • Kenji YAMADA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    NON-AQUEOUS PIGMENT INK

    • Publication number 20160264806
    • Publication date Sep 15, 2016
    • Riso Kagaku Corporation
    • Tetsuo HOSOYA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    METHOD FOR FORMING SILICONE-BASED CURED FILM ON INK DISCHARGE SURFA...

    • Publication number 20150174904
    • Publication date Jun 25, 2015
    • Riso Kagaku Corporation
    • Naofumi Ezaki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    NON-AQUEOUS PIGMENT INK

    • Publication number 20140011942
    • Publication date Jan 9, 2014
    • Tetsuo HOSOYA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    W/O EMULSION INK FOR INKJET

    • Publication number 20130074727
    • Publication date Mar 28, 2013
    • Riso Kagaku Corporation
    • Kazuyuki Ando
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    W/O EMULSION INK FOR INKJET

    • Publication number 20130025496
    • Publication date Jan 31, 2013
    • Riso Kagaku Corporation
    • Naofumi EZAKI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    W/O EMULSION INK FOR INKJET

    • Publication number 20120125227
    • Publication date May 24, 2012
    • Riso Kagaku Corporation
    • Naofumi EZAKI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Non-aqueous inkjet ink

    • Publication number 20100180795
    • Publication date Jul 22, 2010
    • Riso Kagaku Corporation
    • Naofumi Ezaki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Inkjet ink

    • Publication number 20100159212
    • Publication date Jun 24, 2010
    • TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION
    • Hidenori Otsuka
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...