Patents by Inventor Yukitoshi Marutani

Yukitoshi Marutani 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).

  • Publication number: 20170287883
    Abstract: A method of manufacturing a light-emitting device includes steps of: preparing at least one substrate having a plurality of through holes; providing an electric wire on a rear surface side of the substrate so that a plurality of portions of the electric wire communicates with a front surface side of the substrate at the plurality of through holes of the substrate; and respectively mounting a plurality of light-emitting diodes to the respective portions of the electric wire that communicate with the front surface side of the substrate.
    Type: Application
    Filed: June 14, 2017
    Publication date: October 5, 2017
    Applicant: NICHIA CORPORATION
    Inventors: Yukitoshi MARUTANI, Hiroto TAMAKI, Tadaaki MIYATA
  • Publication number: 20170288106
    Abstract: A method of manufacturing a light emitting element mounting base member includes: arranging a plurality of core members each including an electrical conductor core and a light-reflecting insulating member provided on a surface of the electrical conductor core; integrally holding the core members with a light blocking resin; and partially removing the insulating members such that at least one surface of the electrical conductor cores is exposed from the light blocking resin.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Applicant: NICHIA CORPORATION
    Inventor: Yukitoshi MARUTANI
  • Publication number: 20170288107
    Abstract: A method of manufacturing a light emitting element mounting base member includes: providing a first insulating member in a plate shaped having at least one recess portion or at least one through-hole; disposing in the recess portion or in the through-hole a light blocking resin and a plurality of core members each equipped with a second insulating member having light reflectivity on each surface of a plurality of electrical conductor cores; and exposing at least one of the surface of the electrical conductor cores from the second insulating members by removing each part of at least one of the second insulating members.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Applicant: NICHIA CORPORATION
    Inventor: Yukitoshi MARUTANI
  • Publication number: 20170288105
    Abstract: A method of manufacturing a light emitting element mounting base member includes: arranging a plurality of core members each including an electrical conductor core and a light-reflecting insulating member provided on a surface of the electrical conductor core; cutting the arranged core members to form a base member preparatory body including at least one cut surface on which at least one of the electrical conductor cores and the insulating members are exposed; and insert molding by placing the base member preparatory body in a set of mold, and injecting a light blocking resin composition into the set of mold such that at least one of the electrical conductor cores or at least one metal film formed on at least one of the electrical conductor cores are exposed on at least one outer surface of the light emitting element mounting base member.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Applicant: NICHIA CORPORATION
    Inventor: Yukitoshi MARUTANI
  • Patent number: 9711491
    Abstract: A light-emitting device may comprise a substrate, an electric wire fixed to the substrate, and a plurality of light-emitting diodes mounted to the electric wire. According to one embodiment, each of the plurality of light-emitting diodes is an LED chip, and the light-emitting diodes on the substrate are sealed individually or collectively by one or more sealing members. According to another embodiment, the substrate has a plurality of through holes, wherein a plurality of portions of the electric wire provided on a rear surface side of the substrate communicates with a front surface side of the substrate at the plurality of through holes of the substrate, and wherein the plurality of light-emitting diodes is respectively mounted to the respective portions of the electric wire that communicate with the front surface side of the substrate. Other embodiments relate to methods of manufacturing a light-emitting device.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: July 18, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Yukitoshi Marutani, Hiroto Tamaki, Tadaaki Miyata
  • Publication number: 20160336496
    Abstract: A light-emitting element includes: a light transmissive substrate having a first main surface, a second main surfaces, a first lateral surface, a second lateral surface, a third lateral surface, and a fourth lateral surface; a semiconductor layered body; a first light reflection member; and a second light reflection member. A cross-sectional plane of the light transmissive substrate perpendicular to the first main surface and intersecting with the third lateral surface and the fourth lateral surface has a first concave figure having a first recess. The deepest portion of the first recess is arranged on an inner side of an outer periphery of the semiconductor layered body. The third lateral surface includes one or more surfaces defining the first recess.
    Type: Application
    Filed: May 12, 2016
    Publication date: November 17, 2016
    Inventor: Yukitoshi MARUTANI
  • Patent number: 9279571
    Abstract: A light emitting device includes a substrate member and at least one light emitting element. The substrate member has a groove portion defined between two wiring portions spaced apart from each other. The groove portion includes a first groove portion, a second groove portion, and a third groove portion. The first groove portion extends in a direction that forms a slanted angle with respect to a first direction, the second groove portion is spaced apart from the first groove and extends in a direction that forms a slanted angle with respect to the first direction, and the third groove portion is interconnected with the first groove portion and the second groove portion. The light emitting element is disposed over the third groove portion.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: March 8, 2016
    Assignee: NICHIA CORPORATION
    Inventor: Yukitoshi Marutani
  • Publication number: 20160049388
    Abstract: A light-emitting device may comprise a substrate, an electric wire fixed to the substrate, and a plurality of light-emitting diodes mounted to the electric wire. According to one embodiment, each of the plurality of light-emitting diodes is an LED chip, and the light-emitting diodes on the substrate are sealed individually or collectively by one or more sealing members. According to another embodiment, the substrate has a plurality of through holes, wherein a plurality of portions of the electric wire provided on a rear surface side of the substrate communicates with a front surface side of the substrate at the plurality of through holes of the substrate, and wherein the plurality of light-emitting diodes is respectively mounted to the respective portions of the electric wire that communicate with the front surface side of the substrate. Other embodiments relate to methods of manufacturing a light-emitting device.
    Type: Application
    Filed: October 30, 2015
    Publication date: February 18, 2016
    Applicant: NICHIA CORPORATION
    Inventors: Yukitoshi MARUTANI, Hiroto TAMAKI, Tadaaki MIYATA
  • Patent number: 9190587
    Abstract: A light-emitting device may comprise a substrate, an electric wire fixed to the substrate, and a plurality of light-emitting diodes mounted to the electric wire. According to one embodiment, each of the plurality of light-emitting diodes is an LED chip, and the light-emitting diodes on the substrate are sealed individually or collectively by one or more sealing members. According to another embodiment, the substrate has a plurality of through holes, wherein a plurality of portions of the electric wire provided on a rear surface side of the substrate communicates with a front surface side of the substrate at the plurality of through holes of the substrate, and wherein the plurality of light-emitting diodes is respectively mounted to the respective portions of the electric wire that communicate with the front surface side of the substrate. Other embodiments relate to methods of manufacturing a light-emitting device.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: November 17, 2015
    Assignee: NICHIA CORPORATION
    Inventors: Yukitoshi Marutani, Hiroto Tamaki, Tadaaki Miyata
  • Patent number: 9130138
    Abstract: A method for manufacturing a light-emitting device comprises retaining a conductor wire so that a straight-line distance between adjacent mounting portions while the conductor is retained is less than a distance along the conductor wire between the adjacent mounting portions; mounting a plurality of light emitting diodes to respective ones of the mounting portions on the retained conductor wire; and after the mounting step, sealing the plurality of light-emitting diodes mounted on the conductor wire.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: September 8, 2015
    Assignee: NICHIA CORPORATION
    Inventors: Yukitoshi Marutani, Tadaaki Miyata
  • Publication number: 20150137152
    Abstract: A light emitting element includes a semiconductor including an active layer, and a planar shape of the light emitting elements including a concave polygon. The planar shape of the concave polygon has interior angles including at least one acute angle.
    Type: Application
    Filed: November 14, 2014
    Publication date: May 21, 2015
    Applicant: NICHIA CORPORATION
    Inventor: Yukitoshi MARUTANI
  • Patent number: 8736966
    Abstract: A light source device includes a light source main unit made of a combination of a plurality of semiconductor laser devices, a plurality of collimator lens respectively capable of converting light beams emitted by the respective semiconductor laser devices of the light source main unit to respective approximately parallel light beam fluxes, and a condenser lens capable of condensing light beam fluxes emitted by the plurality of collimator lenses. The light source main unit has the plurality of semiconductor laser devices arranged, when viewed from the condenser lens, so that the stems of the adjacent semiconductor laser devices are seemingly continuous in a first direction perpendicular to the optical axis of the condenser lens, and the stems of the adjacent semiconductor laser devices are overlapped in a second direction perpendicular to both the direction of optical axis and the first direction.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: May 27, 2014
    Assignee: Nichia Corporation
    Inventors: Takashi Sasamuro, Yukitoshi Marutani
  • Publication number: 20140140079
    Abstract: A light emitting device includes a substrate member and at least one light emitting element. The substrate member has a groove portion defined between two wiring portions spaced apart from each other. The groove portion includes a first groove portion, a second groove portion, and a third groove portion. The first groove portion extends in a direction that forms a slanted angle with respect to a first direction, the second groove portion is spaced apart from the first groove and extends in a direction that forms a slanted angle with respect to the first direction, and the third groove portion is interconnected with the first groove portion and the second groove portion. The light emitting element is disposed over the third groove portion.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 22, 2014
    Applicant: NICHIA CORPORATION
    Inventor: Yukitoshi MARUTANI
  • Publication number: 20140061684
    Abstract: A light-emitting device may comprise a substrate, an electric wire fixed to the substrate, and a plurality of light-emitting diodes mounted to the electric wire. According to one embodiment, each of the plurality of light-emitting diodes is an LED chip, and the light-emitting diodes on the substrate are sealed individually or collectively by one or more sealing members. According to another embodiment, the substrate has a plurality of through holes, wherein a plurality of portions of the electric wire provided on a rear surface side of the substrate communicates with a front surface side of the substrate at the plurality of through holes of the substrate, and wherein the plurality of light-emitting diodes is respectively mounted to the respective portions of the electric wire that communicate with the front surface side of the substrate. Other embodiments relate to methods of manufacturing a light-emitting device.
    Type: Application
    Filed: August 30, 2013
    Publication date: March 6, 2014
    Applicant: NICHIA CORPORATION
    Inventors: Yukitoshi MARUTANI, Hiroto TAMAKI, Tadaaki MIYATA
  • Publication number: 20140038325
    Abstract: A method for manufacturing a light-emitting device comprises retaining a conductor wire so that a straight-line distance between adjacent mounting portions while the conductor is retained is less than a distance along the conductor wire between the adjacent mounting portions; mounting a plurality of light emitting diodes to respective ones of the mounting portions on the retained conductor wire; and after the mounting step, sealing the plurality of light-emitting diodes mounted on the conductor wire.
    Type: Application
    Filed: July 30, 2013
    Publication date: February 6, 2014
    Applicant: NICHIA CORPORATION
    Inventors: Yukitoshi Marutani, Tadaaki Miyata
  • Publication number: 20120243105
    Abstract: A light source device includes a light source main unit made of a combination of a plurality of semiconductor laser devices, a plurality of collimator lens respectively capable of converting light beams emitted by the respective semiconductor laser devices of the light source main unit to respective approximately parallel light beam fluxes, and a condenser lens capable of condensing light beam fluxes emitted by the plurality of collimator lenses. The light source main unit has the plurality of semiconductor laser devices arranged, when viewed from the condenser lens, so that the stems of the adjacent semiconductor laser devices are seemingly continuous in a first direction perpendicular to the optical axis of the condenser lens, and the stems of the adjacent semiconductor laser devices are overlapped in a second direction perpendicular to both the direction of optical axis and the first direction.
    Type: Application
    Filed: March 21, 2012
    Publication date: September 27, 2012
    Inventors: Takashi SASAMURO, Yukitoshi Marutani
  • Patent number: 6882672
    Abstract: To provide a point emission type light emitting element that restricts the light emitting area within a sufficiently tiny region and can be manufactured at a low cost, the point emission type light emitting element is a light emitting element that has stripe ridge comprising an n-type layer, an active layer and a p-type layer that are formed from semiconductors on a substrate, so as to emit light from one end face of the stripe ridge, wherein the stripe ridge has a protruding portion on the end face described above and the surface of the light emitting element is covered with an shading film except for the tip of the protruding portion.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: April 19, 2005
    Assignee: Nichia Corporation
    Inventors: Yukitoshi Marutani, Akira Kitano, Susumu Harada, Kazuyuki Akaishi, Masahiko Sano, Koji Honjo, Hitoshi Maegawa
  • Publication number: 20020167983
    Abstract: To provide a point emission type light emitting element that restricts the light emitting area within a sufficiently tiny region and can be manufactured at a low cost, the point emission type light emitting element is a light emitting element that has stripe ridge comprising an n-type layer, an active layer and a p-type layer that are formed from semiconductors on a substrate, so as to emit light from one end face of the stripe ridge, wherein the stripe ridge has a protruding portion on the end face described above and the surface of the light emitting element is covered with an shading film except for the tip of the protruding portion.
    Type: Application
    Filed: March 18, 2002
    Publication date: November 14, 2002
    Inventors: Yukitoshi Marutani, Akira Kitano, Susumu Harada, Kazuyuki Akaishi, Masahiko Sano, Koji Honjo, Hitoshi Maegawa