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Naofumi Sumitani

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Patents Grantslast 30 patents

  • Information Patent Grant

    Lead frame and method of manufacturing light emitting device
    • Patent number 11,158,776
    • Issue date Oct 26, 2021
    • Nichia Corporation
    • Kazuya Matsuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 10,529,700
    • Issue date Jan 7, 2020
    • Nichia Corporation
    • Kimihiro Miyamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device and method of producing the same
    • Patent number 10,490,704
    • Issue date Nov 26, 2019
    • Nichia Corporation
    • Ryoji Naka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device and method of producing the same
    • Patent number 10,193,027
    • Issue date Jan 29, 2019
    • Nichia Corporation
    • Ryoji Naka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 10,103,302
    • Issue date Oct 16, 2018
    • Nichia Corporation
    • Ryoji Naka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 10,074,638
    • Issue date Sep 11, 2018
    • Nichia Corporation
    • Kimihiro Miyamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 9,966,521
    • Issue date May 8, 2018
    • Nichia Corporation
    • Ryoji Naka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 9,502,623
    • Issue date Nov 22, 2016
    • Nichia Corporation
    • Kimihiro Miyamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 7,964,892
    • Issue date Jun 21, 2011
    • Nichia Corporation
    • Naofumi Sumitani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 7,832,895
    • Issue date Nov 16, 2010
    • Nichia Corporation
    • Naofumi Sumitani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device and image reading apparatus
    • Patent number 7,719,012
    • Issue date May 18, 2010
    • Nippon Sheet Glass Company, Limited
    • Kunihito Sugimoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Light emitting device having a backside electrode portion and same...
    • Patent number 7,656,083
    • Issue date Feb 2, 2010
    • Nichia Corporation
    • Naofumi Sumitani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting diode
    • Patent number D601519
    • Issue date Oct 6, 2009
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light-emitting apparatus
    • Patent number 7,586,128
    • Issue date Sep 8, 2009
    • Nichia Corporation
    • Naofumi Sumitani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting diode
    • Patent number D589009
    • Issue date Mar 24, 2009
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light emitting device and lighting device
    • Patent number 7,477,808
    • Issue date Jan 13, 2009
    • Nichia Corporation
    • Hirofumi Oka
    • F21 - LIGHTING
  • Information Patent Grant

    Light emitting diode
    • Patent number D553103
    • Issue date Oct 16, 2007
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light emitting diode
    • Patent number D539760
    • Issue date Apr 3, 2007
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light emitting diode
    • Patent number D535263
    • Issue date Jan 16, 2007
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light emitting diode
    • Patent number D528515
    • Issue date Sep 19, 2006
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light emitting diode
    • Patent number D522466
    • Issue date Jun 6, 2006
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light emitting diode
    • Patent number D510913
    • Issue date Oct 25, 2005
    • Nichia Corporation
    • Naofumi Sumitani
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents