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Masahiro Onozawa

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  • Sagamihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical glass and core material for optical fiber
    • Patent number 9,233,871
    • Issue date Jan 12, 2016
    • Ohara Inc.
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 8,691,712
    • Issue date Apr 8, 2014
    • Ohara Inc.
    • Junko Suzuki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 8,003,556
    • Issue date Aug 23, 2011
    • Ohara Inc.
    • Junko Suzuki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 7,884,040
    • Issue date Feb 8, 2011
    • Ohara Inc.
    • Hiroaki Tomoe
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 7,838,450
    • Issue date Nov 23, 2010
    • Ohara Inc.
    • Junko Suzuki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 7,767,605
    • Issue date Aug 3, 2010
    • Ohara, Inc.
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 7,572,746
    • Issue date Aug 11, 2009
    • Kabushiki Kaisha Ohara
    • Junko Ishioka
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 7,419,923
    • Issue date Sep 2, 2008
    • Kabushiki Kaisha Ohara
    • Yoshio Mori
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 7,060,640
    • Issue date Jun 13, 2006
    • Kabushiki Kaisha Ohara
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass having an anomalous dispersion
    • Patent number 6,867,157
    • Issue date Mar 15, 2005
    • Kabushiki Kaisha Ohara
    • Junko Ishioka
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 6,846,762
    • Issue date Jan 25, 2005
    • Kabushiki Kaisha Ohara
    • Shinya Mashiko
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 6,756,334
    • Issue date Jun 29, 2004
    • Kabushiki Kaisha Ohara
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass for precision press molding and optical element
    • Patent number 6,713,419
    • Issue date Mar 30, 2004
    • Kabushiki Kaisha Ohara
    • Masahiro Onozawa
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass having a negative anomalous dispersion
    • Patent number 5,952,256
    • Issue date Sep 14, 1999
    • Kabushiki Kaisha Ohara
    • Michiko Morishita
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass for mold pressing having softening capability at low...
    • Patent number 5,607,886
    • Issue date Mar 4, 1997
    • Kabushiki Kaisya Ohara
    • Masahiro Onozawa
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Optical glass
    • Patent number 5,472,918
    • Issue date Dec 5, 1995
    • Kabushiki Kaisha Ohara
    • Masahiro Onozawa
    • C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL GLASS
    • Publication number 20140171287
    • Publication date Jun 19, 2014
    • OHARA INC.
    • Junko Suzuki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL GLASS
    • Publication number 20130072372
    • Publication date Mar 21, 2013
    • OHARA INC.
    • Junko Suzuki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL GLASS AND CORE MATERIAL FOR OPTICAL FIBER
    • Publication number 20120220442
    • Publication date Aug 30, 2012
    • OHARA INC.
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL GLASS
    • Publication number 20110237419
    • Publication date Sep 29, 2011
    • OHARA INC.
    • Junko Suzuki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL GLASS
    • Publication number 20080254966
    • Publication date Oct 16, 2008
    • OHARA INC.
    • Hiroaki TOMOE
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    OPTICAL GLASS
    • Publication number 20080085825
    • Publication date Apr 10, 2008
    • OHARA INC.
    • Junko Suzuki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Optical glass
    • Publication number 20070027016
    • Publication date Feb 1, 2007
    • OHARA INC.
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Optical glass
    • Publication number 20050231838
    • Publication date Oct 20, 2005
    • Kabushiki Kaisha Ohara
    • Yoshio Mori
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Optical glass
    • Publication number 20050054514
    • Publication date Mar 10, 2005
    • Junko Ishioka
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Optical glass
    • Publication number 20040018933
    • Publication date Jan 29, 2004
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Optical glass having an anomalous dispersion
    • Publication number 20030199383
    • Publication date Oct 23, 2003
    • Junko Ishioka
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Optical glass
    • Publication number 20030191007
    • Publication date Oct 9, 2003
    • Shinya Mashiko
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Optical glass
    • Publication number 20030064879
    • Publication date Apr 3, 2003
    • KABUSHIKI KAISHA OHARA
    • Michiko Ogino
    • C03 - GLASS MINERAL OR SLAG WOOL