Patents by Inventor Kouichiroh Deguchi

Kouichiroh Deguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10804450
    Abstract: A manufacturing method of a flip-chip nitride semiconductor light emitting element includes a step of providing a nitride semiconductor light emitting element structure; a protective layer forming step; a first resist pattern forming step; a protective layer etching step; a first metal layer forming step; a first resist pattern removing step; a third metal layer forming step; a second resist pattern forming step; a second metal layer forming step; a second resist pattern removing step; and a third metal layer removing step.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: October 13, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Akinori Yoneda, Hirofumi Kawaguchi, Kouichiroh Deguchi
  • Publication number: 20170062686
    Abstract: A manufacturing method of a flip-chip nitride semiconductor light emitting element includes a step of providing a nitride semiconductor light emitting element structure; a protective layer forming step; a first resist pattern forming step; a protective layer etching step; a first metal layer forming step; a first resist pattern removing step; a third metal layer forming step; a second resist pattern forming step; a second metal layer forming step; a second resist pattern removing step; and a third metal layer removing step.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 2, 2017
    Applicant: NICHIA CORPORATION
    Inventors: Akinori YONEDA, Hirofumi KAWAGUCHI, Kouichiroh DEGUCHI
  • Patent number: 9530950
    Abstract: A manufacturing method of a flip-chip nitride semiconductor light emitting element includes a step of providing a nitride semiconductor light emitting element structure; a protective layer forming step; a first resist pattern forming step; a protective layer etching step; a first metal layer forming step; a first resist pattern removing step; a third metal layer forming step; a second resist pattern forming step; a second metal layer forming step; a second resist pattern removing step; and a third metal layer removing step.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: December 27, 2016
    Assignee: NICHIA CORPORATION
    Inventors: Akinori Yoneda, Hirofumi Kawaguchi, Kouichiroh Deguchi
  • Publication number: 20160079505
    Abstract: A manufacturing method of a flip-chip nitride semiconductor light emitting element includes a step of providing a nitride semiconductor light emitting element structure; a protective layer forming step; a first resist pattern forming step; a protective layer etching step; a first metal layer forming step; a first resist pattern removing step; a third metal layer forming step; a second resist pattern forming step; a second metal layer forming step; a second resist pattern removing step; and a third metal layer removing step.
    Type: Application
    Filed: November 18, 2015
    Publication date: March 17, 2016
    Applicant: NICHIA CORPORATION
    Inventors: Akinori YONEDA, Hirofumi KAWAGUCHI, Kouichiroh DEGUCHI
  • Patent number: 9231159
    Abstract: A method of manufacturing a flip-chip nitride semiconductor light emitting element includes steps of providing a nitride semiconductor light emitting element structure; forming an insulating protective layer on the nitride semiconductor light emitting element structure; forming a resist pattern having openings above an n-side electrode connecting surface and a p-side electrode connecting surface; etching the protective layer to expose the n-side electrode connecting surface and the p-side electrode connecting surface using the resist pattern as a mask; forming a first metal layer that becomes an n-side electrode and a p-side electrode, the first metal layer being formed as a continuous layer disposed on the n-side electrode connecting surface, the p-side electrode connecting surface and the resist pattern; forming a second metal layer that becomes metal bumps by electrolytic plating using the first metal layer as an electrode for the electrolytic plating; and removing the resist pattern.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: January 5, 2016
    Assignee: NICHIA CORPORATION
    Inventors: Akinori Yoneda, Hirofumi Kawaguchi, Kouichiroh Deguchi
  • Patent number: 9093356
    Abstract: A semiconductor light emitting element comprises a semiconductor laminate including a p-type semiconductor layer, an active layer and an n-type semiconductor layer which are sequentially laminated; and a conductive support substrate joined to the p-type semiconductor layer side of the semiconductor laminate. The semiconductor laminate is divided into at least two semiconductor regions by a trench penetrating the p-type semiconductor layer, the active layer and the n-type semiconductor layer.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: July 28, 2015
    Assignee: NICHIA CORPORATION
    Inventors: Nobuhiko Ubahara, Kouichiroh Deguchi, Takao Yamada
  • Patent number: 8981420
    Abstract: A nitride semiconductor device includes a conductive oxide film with high reliability is provided. The nitride semiconductor device having a nitride semiconductor layer includes a conductive oxide film on the nitride semiconductor layer and a pad electrode on the conductive oxide film. The pad electrode includes a junction layer that contains a first metal and is in contact with the conductive oxide film, and a pad layer that contains a second metal.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: March 17, 2015
    Assignee: Nichia Corporation
    Inventors: Takeshi Kususe, Yoshiyuki Aihara, Daisuke Sanga, Kouichiroh Deguchi
  • Patent number: 8878214
    Abstract: A semiconductor light emitting device comprises a semiconductor light emitting element comprising a semiconductor laminate including a p-type semiconductor layer, an active layer and an n-type semiconductor layer which are sequentially laminated, and a conductive support substrate joined to the p-type semiconductor layer side of the semiconductor laminate. The semiconductor laminate is divided into at least two semiconductor regions by a trench. The semiconductor light emitting device further comprises a first transparent sealing resin covering at least a portion of the semiconductor light emitting element, the first transparent sealing resin comprising a plurality of first fluorescent particles, each of the first fluorescent particles having an individual average particle diameter. A width of the trench is smaller than an overall average of the individual average particle diameters of the first fluorescent particles.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: November 4, 2014
    Assignee: Nichia Corporation
    Inventors: Nobuhiro Ubahara, Kouichiroh Deguchi, Takao Yamada
  • Publication number: 20120273823
    Abstract: A nitride semiconductor light emitting element having a thick metal bump, and a method of manufacturing a flip-chip nitride semiconductor light emitting element including: a nitride semiconductor light emitting element structure having an n-type nitride semiconductor layer and a p-type nitride semiconductor layer, which are laminated on a substrate, and an n-side electrode connecting surface for connecting an n-side electrode to the n-type nitride semiconductor layer and a p-side electrode connecting surface for connecting a p-side electrode to the p-type nitride semiconductor layer on the same plane side of the substrate, the n-side electrode being connected to the n-side electrode connecting surface and the p-side electrode being connected to the p-side electrode connecting surface; and metal bumps formed on the n-side electrode and the p-side electrode, with other manufacturing steps performed.
    Type: Application
    Filed: April 26, 2012
    Publication date: November 1, 2012
    Inventors: Akinori YONEDA, Hirofumi Kawaguchi, Kouichiroh Deguchi
  • Publication number: 20120161183
    Abstract: A semiconductor light emitting element comprises a semiconductor laminate including a p-type semiconductor layer, an active layer and an n-type semiconductor layer which are sequentially laminated; and a conductive support substrate joined to the p-type semiconductor layer side of the semiconductor laminate. The semiconductor laminate is divided into at least two semiconductor regions by a trench penetrating the p-type semiconductor layer, the active layer and the n-type semiconductor layer.
    Type: Application
    Filed: December 23, 2011
    Publication date: June 28, 2012
    Inventors: Nobuhiro UBAHARA, Kouichiroh DEGUCHI, Takao YAMADA
  • Publication number: 20120161184
    Abstract: A semiconductor light emitting device comprises a semiconductor light emitting element comprising a semiconductor laminate including a p-type semiconductor layer, an active layer and an n-type semiconductor layer which are sequentially laminated, and a conductive support substrate joined to the p-type semiconductor layer side of the semiconductor laminate. The semiconductor laminate is divided into at least two semiconductor regions by a trench. The semiconductor light emitting device further comprises a first transparent sealing resin covering at least a portion of the semiconductor light emitting element, the first transparent sealing resin comprising a plurality of first fluorescent particles, each of the first fluorescent particles having an individual average particle diameter. A width of the trench is smaller than an overall average of the individual average particle diameters of the first fluorescent particles.
    Type: Application
    Filed: December 27, 2011
    Publication date: June 28, 2012
    Inventors: Nobuhiro Ubahara, Kouichiroh Deguchi, Takao Yamada
  • Publication number: 20060261355
    Abstract: A nitride semiconductor device includes a conductive oxide film with high reliability is provided. The nitride semiconductor device having a nitride semiconductor layer includes a conductive oxide film on the nitride semiconductor layer and a pad electrode on the conductive oxide film. The pad electrode includes a junction layer that contains a first metal and is in contact with the conductive oxide film, and a pad layer that contains a second metal.
    Type: Application
    Filed: May 18, 2006
    Publication date: November 23, 2006
    Inventors: Takeshi Kususe, Yoshiyuki Aihara, Daisuke Sanga, Kouichiroh Deguchi