Patents by Inventor Akiya KIMURA

Akiya KIMURA 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: 10727209
    Abstract: According to one embodiment, a semiconductor device includes a first semiconductor element, a first element insulating part, and an insulating sealing member. The first semiconductor element includes a first semiconductor chip and a first chip electrode electrically connected to the first semiconductor chip. The first semiconductor chip has a first surface crossing a first direction, a second surface crossing the first direction and distant from the first surface, and a third surface between the first and second surfaces. The first chip electrode is disposed on the first surface. The first element insulating part includes a first portion and a second portion continuous to the first portion. The insulating sealing member includes a third portion and a fourth portion continuous to the third portion. The first portion is between the first surface and the third portion, and the second portion is between the third surface and the fourth portion.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: July 28, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomohiro Iguchi, Akiya Kimura, Akihiro Sasaki
  • Patent number: 10199365
    Abstract: According to one embodiment, a semiconductor module includes a first circuit component, a first connection member, and a first wire. The first circuit component includes a first substrate, a first conductive layer, a first switching device, and a first diode. The first substrate has an insulation property. The first connection member is provided on a first electrode of the first switching device and the fourth electrode of the first diode, and has a conductive property. The first wire connects the first conductive layer and the first connection member.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: February 5, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akiya Kimura, Tomohiro Iguchi, Akihiro Sasaki
  • Publication number: 20190035770
    Abstract: According to one embodiment, a semiconductor device includes a first semiconductor element, a first element insulating part, and an insulating sealing member. The first semiconductor element includes a first semiconductor chip and a first chip electrode electrically connected to the first semiconductor chip. The first semiconductor chip has a first surface crossing a first direction, a second surface crossing the first direction and distant from the first surface, and a third surface between the first and second surfaces. The first chip electrode is disposed on the first surface. The first element insulating part includes a first portion and a second portion continuous to the first portion. The insulating sealing member includes a third portion and a fourth portion continuous to the third portion. The first portion is between the first surface and the third portion, and the second portion is between the third surface and the fourth portion.
    Type: Application
    Filed: May 21, 2018
    Publication date: January 31, 2019
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomohiro IGUCHI, Akiya KIMURA, Akihiro SASAKI
  • Publication number: 20180308833
    Abstract: A semiconductor device includes a first semiconductor chip, a second semiconductor chip, a metal substrate, an insulating substrate, a first bonding member, and a second bonding member. The metal substrate is spaced from the first and the second semiconductor chips in a first direction crossing a direction from the first semiconductor chip to the second semiconductor chip. The insulating substrate is provided between the first semiconductor chip and the metal substrate and between the second semiconductor chip and the metal substrate. The first bonding member is provided between the metal substrate and the insulating substrate. Part of the first bonding member is located between the first semiconductor chip and the metal substrate. The second bonding member is provided between the metal substrate and the insulating substrate. Part of the second bonding member is located between the second semiconductor chip and the metal substrate.
    Type: Application
    Filed: March 12, 2018
    Publication date: October 25, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Akihiro Sasaki, Tomohiro Iguchi, Akiya Kimura
  • Publication number: 20180226389
    Abstract: According to one embodiment, a semiconductor module includes a first circuit component, a first connection member, and a first wire. The first circuit component includes a first substrate, a first conductive layer, a first switching device, and a first diode. The first substrate has an insulation property. The first connection member is provided on a first electrode of the first switching device and the fourth electrode of the first diode, and has a conductive property. The first wire connects the first conductive layer and the first connection member.
    Type: Application
    Filed: February 2, 2018
    Publication date: August 9, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Akiya KIMURA, Tomohiro Iguchi, Akihiro Sasaki
  • Patent number: 9263640
    Abstract: According to one embodiment, a semiconductor light emitting device includes a semiconductor layer, a p-side electrode, an n-side electrode, a p-side metal pillar, an n-side metal pillar, and an insulator. The semiconductor layer includes a first surface, a second surface opposite to the first surface, and a light emitting layer. The p-side metal pillar includes a p-side external terminal. The n-side metal pillar includes an n-side external terminal. At least one selected from an area and a planar configuration of the p-side external terminal is different from at least one selected from an area and a planar configuration of the n-side external terminal.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: February 16, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Miyuki Izuka, Susumu Obata, Akiya Kimura, Akihiro Kojima, Yosuke Akimoto, Yoshiaka Sugizaki
  • Patent number: 9202982
    Abstract: A semiconductor light emitting device includes a light emitting unit, a first and second electrode, a first and second metal pillar, a sealing unit, a rectifying element, and a first and second interconnection. The light emitting unit includes a first and second semiconductor layer, and a light-emitting layer. The light-emitting layer is provided on the first semiconductor layer. The second semiconductor layer is provided on the light-emitting layer. The first electrode is provided on the first semiconductor layer. The second electrode is provided on the second semiconductor layer. The first metal pillar is electrically connected to the first electrode. The second metal pillar is electrically connected to the second electrode. The sealing unit seals the first metal pillar and the second metal pillar. The rectifying element is provided below the first semiconductor layer, including a rectifying unit.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: December 1, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Susumu Obata, Toshiya Nakayama, Hisashi Ito, Akiya Kimura, Kazuo Shimokawa, Kazuhito Higuchi, Akihiro Kojima, Miyoko Shimada, Yoshiaki Sugizaki, Hideto Furuyama
  • Patent number: 9087974
    Abstract: A semiconductor light emitting device includes a light emitting unit, a first and second conductive pillar, a sealing unit, and a first and second terminal. The light emitting unit includes a first and second semiconductor layer and a light emitting layer. The light emitting layer is provided on the first semiconductor layer. The second semiconductor layer is provided on the light emitting layer. The first conductive pillar is provided on the first semiconductor layer. The second conductive pillar is provided on the second semiconductor layer. The sealing unit covers side faces of each of the light emitting unit, the first conductive pillar, and the second conductive pillar. The first terminal is provided on the first conductive pillar and on the sealing unit. The second terminal is provided on the second conductive pillar and on the sealing unit.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: July 21, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akiya Kimura, Kazuhito Higuchi, Kazuo Shimokawa, Susumu Obata, Toshiya Nakayama, Hisashi Ito
  • Patent number: 9070844
    Abstract: According to one embodiment, a semiconductor light emitting element includes: a first conductive pillar extending in a first direction; a second conductive pillar extending in the first direction; a first semiconductor layer of a first conductivity type provided on the first conductive pillar; a light emitting layer provided on the first semiconductor layer; a second semiconductor layer of a second conductivity type provided on the light emitting layer and on the second conductive pillar; a sealing unit covering a side surface of the first conductive pillar and a side surface of the second conductive pillar; and a light transmissive layer provided on the second semiconductor layer and having light transmissivity, a hardness of an upper surface portion of the light transmissive layer being higher than a hardness of a lower portion between the upper surface portion and the second semiconductor layer.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: June 30, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akiya Kimura, Kazuhito Higuchi, Susumu Obata
  • Patent number: 8987762
    Abstract: According to one embodiment, a light-emitting unit which emits light, a wavelength conversion unit which includes a phosphor and which is provided on a main surface of the light-emitting unit, and a transparent resin which is provided on top of the wavelength conversion unit, are prepared. The transparent resin has a greater modulus of elasticity and/or a higher Shore hardness than the wavelength conversion unit.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: March 24, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Toshiya Nakayama, Kazuhito Higuchi, Hiroshi Koizumi, Hideo Nishiuchi, Susumu Obata, Akiya Kimura, Yoshiaki Sugizaki, Akihiro Kojima, Yosuke Akimoto
  • Publication number: 20150008469
    Abstract: A semiconductor light emitting device includes a light emitting unit, a first and second conductive pillar, a sealing unit, and a first and second terminal. The light emitting unit includes a first and second semiconductor layer and a light emitting layer. The light emitting layer is provided on the first semiconductor layer. The second semiconductor layer is provided on the light emitting layer. The first conductive pillar is provided on the first semiconductor layer. The second conductive pillar is provided on the second semiconductor layer. The sealing unit covers side faces of each of the light emitting unit, the first conductive pillar, and the second conductive pillar. The first terminal is provided on the first conductive pillar and on the sealing unit. The second terminal is provided on the second conductive pillar and on the sealing unit.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akiya KIMURA, Kazuhito Higuchi, Kazuo Shimokawa, Susumu Obata, Toshiya Nakayama, Hisashi Ito
  • Publication number: 20140374789
    Abstract: According to one embodiment, a semiconductor light emitting device includes a semiconductor layer, a p-side electrode, an n-side electrode, a p-side metal pillar, an n-side metal pillar, and an insulator. The semiconductor layer includes a first surface, a second surface opposite to the first surface, and a light emitting layer. The p-side metal pillar includes a p-side external terminal. The n-side metal pillar includes an n-side external terminal. At least one selected from an area and a planar configuration of the p-side external terminal is different from at least one selected from an area and a planar configuration of the n-side external terminal.
    Type: Application
    Filed: September 9, 2014
    Publication date: December 25, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Miyuki IZUKA, Susumu OBATA, Akiya KIMURA, Akihiro KOJIMA, Yosuke AKIMOTO, Yoshiaka SUGIZAKI
  • Patent number: 8916901
    Abstract: A semiconductor light emitting device includes a light emitting unit, a first and second conductive pillar, a sealing unit, and a first and second terminal. The light emitting unit includes a first and second semiconductor layer and a light emitting layer. The light emitting layer is provided on the first semiconductor layer. The second semiconductor layer is provided on the light emitting layer. The first conductive pillar is provided on the first semiconductor layer. The second conductive pillar is provided on the second semiconductor layer. The sealing unit covers side faces of each of the light emitting unit, the first conductive pillar, and the second conductive pillar. The first terminal is provided on the first conductive pillar and on the sealing unit. The second terminal is provided on the second conductive pillar and on the sealing unit.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: December 23, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akiya Kimura, Kazuhito Higuchi, Kazuo Shimokawa, Susumu Obata, Toshiya Nakayama, Hisashi Ito
  • Patent number: 8860075
    Abstract: According to one embodiment, a semiconductor light emitting device includes a semiconductor layer, a p-side electrode, an n-side electrode, a p-side metal pillar, an n-side metal pillar, and an insulator. The semiconductor layer includes a first surface, a second surface opposite to the first surface, and a light emitting layer. The p-side metal pillar includes a p-side external terminal. The n-side metal pillar includes an n-side external terminal. At least one selected from an area and a planar configuration of the p-side external terminal is different from at least one selected from an area and a planar configuration of the n-side external terminal.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: October 14, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Miyuki Izuka, Susumu Obata, Akiya Kimura, Akihiro Kojima, Yosuke Akimoto, Yoshiaki Sugizaki
  • Publication number: 20140252388
    Abstract: According to one embodiment, a semiconductor light emitting element includes: a first conductive pillar extending in a first direction; a second conductive pillar extending in the first direction; a first semiconductor layer of a first conductivity type provided on the first conductive pillar; a light emitting layer provided on the first semiconductor layer; a second semiconductor layer of a second conductivity type provided on the light emitting layer and on the second conductive pillar; a sealing unit covering a side surface of the first conductive pillar and a side surface of the second conductive pillar; and a light transmissive layer provided on the second semiconductor layer and having light transmissivity, a hardness of an upper surface portion of the light transmissive layer being higher than a hardness of a lower portion between the upper surface portion and the second semiconductor layer.
    Type: Application
    Filed: September 13, 2013
    Publication date: September 11, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akiya KIMURA, Kazuhito HIGUCHI, Susumu OBATA
  • Patent number: 8614455
    Abstract: According to an embodiment, a semiconductor light emitting device includes a stacked body, first and second electrodes, first and second interconnections, first and second pillars and a first insulating layer. The stacked body includes first and second semiconductor layers and a light emitting layer. The first and second electrodes are connected to the first and second semiconductor layers respectively. The first and second interconnections are connected to the first and second electrode respectively. The first and second pillars are connected to the first and second interconnections respectively. The first insulating layer is provided on the interconnections and the pillars. The first and second pillars have first and second monitor pads exposed in a surface of the first insulating layer. The first and second interconnections have first and second bonding pads exposed in a side face connected with the surface of the first insulating layer.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: December 24, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Susumu Obata, Kazuhito Higuchi, Hideo Nishiuchi, Akiya Kimura, Toshiya Nakayama, Yoshiaki Sugizaki, Akihiro Kojima, Yosuke Akimoto
  • Publication number: 20130320383
    Abstract: According to one embodiment, a semiconductor light emitting device includes a semiconductor layer, a p-side electrode, an n-side electrode, a p-side metal pillar, an n-side metal pillar, and an insulator. The semiconductor layer includes a first surface, a second surface opposite to the first surface, and a light emitting layer. The p-side metal pillar includes a p-side external terminal. The n-side metal pillar includes an n-side external terminal. At least one selected from an area and a planar configuration of the p-side external terminal is different from at least one selected from an area and a planar configuration of the n-side external terminal.
    Type: Application
    Filed: August 8, 2013
    Publication date: December 5, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Miyuki IZUKA, Susumu Obata, Akiya Kimura, Akihiro Kojima, Yosuke Akimoto, Yoshiaki Sugizaki
  • Publication number: 20130248917
    Abstract: A semiconductor light emitting device includes a light emitting unit, a first and second electrode, a first and second metal pillar, a sealing unit, a rectifying element, and a first and second interconnection. The light emitting unit includes a first and second semiconductor layer, and a light-emitting layer. The light-emitting layer is provided on the first semiconductor layer. The second semiconductor layer is provided on the light-emitting layer. The first electrode is provided on the first semiconductor layer. The second electrode is provided on the second semiconductor layer. The first metal pillar is electrically connected to the first electrode. The second metal pillar is electrically connected to the second electrode. The sealing unit seals the first metal pillar and the second metal pillar. The rectifying element is provided below the first semiconductor layer, including a rectifying unit.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 26, 2013
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Susumu OBATA, Toshiya Nakayama, Hisashi Ito, Akiya Kimura, Kazuo Shimokawa, Kazuhito Higuchi, Akihiro Kojima, Miyoko Shimada, Yoshiaki Sugizaki, Hideto Furuyama
  • Publication number: 20130248910
    Abstract: A semiconductor light emitting device includes a light emitting unit, a first and second conductive pillar, a sealing unit, and a first and second terminal. The light emitting unit includes a first and second semiconductor layer and a light emitting layer. The light emitting layer is provided on the first semiconductor layer. The second semiconductor layer is provided on the light emitting layer. The first conductive pillar is provided on the first semiconductor layer. The second conductive pillar is provided on the second semiconductor layer. The sealing unit covers side faces of each of the light emitting unit, the first conductive pillar, and the second conductive pillar. The first terminal is provided on the first conductive pillar and on the sealing unit. The second terminal is provided on the second conductive pillar and on the sealing unit.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 26, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Akiya Kimura, Kazuhito Higuchi, Kazuo Shimokawa, Susumu Obata, Toshiya Nakayama, Hisashi Ito
  • Publication number: 20130082294
    Abstract: According to one embodiment, a light-emitting unit which emits light, a wavelength conversion unit which includes a phosphor and which is provided on a main surface of the light-emitting unit, and a transparent resin which is provided on top of the wavelength conversion unit, are prepared. The transparent resin has a greater modulus of elasticity and/or a higher Shore hardness than the wavelength conversion unit.
    Type: Application
    Filed: September 7, 2012
    Publication date: April 4, 2013
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Toshiya NAKAYAMA, Kazuhito HIGUCHI, Hiroshi KOIZUMI, Hideo NISHIUCHI, Susumu OBATA, Akiya KIMURA, Yoshiaki SUGIZAKI, Akihiro KOJIMA, Yosuke AKIMOTO