Patents by Inventor Ryuichi Nakagami
Ryuichi Nakagami 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).
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Patent number: 11981259Abstract: A sound generation device for a vehicle, the sound generation device being installed in a vehicle which travels using an electric-powered motor as a power source, includes a sound control apparatus which sets a plurality of frequencies corresponding to a motor rotation speed and generates a synthetic sound signal indicating a synthetic sound including sounds at the plurality of frequencies and a speaker which outputs the synthetic sound based on the synthetic sound signal generated by the sound control apparatus, and the sound control apparatus sets an increase amount of an output of a sound in a low frequency band large compared to an increase amount of an output of a sound in a high frequency band in a frequency range of the synthetic sound in accordance with an increase in a motor torque value.Type: GrantFiled: August 12, 2020Date of Patent: May 14, 2024Assignee: Mazda Motor CorporationInventors: Yukifusa Hattori, Seisuke Mitsunaga, Hidekazu Shiraishi, Katsuya Shimizu, Ryuichi Yamada, Chieko Nakagami
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Publication number: 20230268473Abstract: A light-emitting device including a light-emitting element having a first surface serving as a light extracting surface, a second surface, and a lateral surface, where an element electrode is provided on the second surface. Aa light-transmissive member is disposed on the first surface, and an adhesive resin is provided forming an adhesive layer between the first surface and the light-transmissive member, and forming a fillet on the lateral surface. The device includes a substrate including wiring, a conductive member connected to the element electrode and the wiring, and an underfill disposed between the second surface and an upper surface of the substrate and disposed on the upper surface at a position proximate to a peripheral edge of the light-emitting element in contact with the lateral surface or the fillet. The underfill disposed between the second surface and the upper surface is separated from the second surface with a clearance.Type: ApplicationFiled: February 10, 2023Publication date: August 24, 2023Applicant: NICHIA CORPORATIONInventor: Ryuichi NAKAGAMI
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Patent number: 11735697Abstract: A light-emitting device includes: a base member including: a first lead, a second lead, and a securing member securing the first and second leads; a light-emitting element mounted on an upper surface of the base member; a frame, a part of which is disposed on the upper surface of the base member to surround the light-emitting element; a first member covering at least a portion of an upper surface of the securing member that is exposed at an outer peripheral side of the frame in a top view, the first member being arranged intermittently under the frame and containing a reflective material; and a second member covering the light-emitting element, the frame, and the first member. The frame has a first region on which the first member is arranged and a second region on which the first member is not arranged, the first and second regions having different heights.Type: GrantFiled: March 31, 2022Date of Patent: August 22, 2023Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami, Ryuji Muranaka
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Patent number: 11677054Abstract: A light-emitting device includes: a base member; a base body formed on an upper surface of the base member, the base body including a wiring layer; a light-emitting element mounted on an upper surface of the base body, wherein the light-emitting element includes an element-substrate, and a semiconductor layer located on the element-substrate; a resin frame located on the upper surface of the base body; and a first resin located inside the resin frame to cover a part of side surfaces of the light-emitting element, a part of inner side surface of the resin frame, and the upper surface of the base body. The first resin includes: a reflective material layer that contains a reflective material, and a resin layer that is located on an upper surface of the reflective material layer and does not contain the reflective material.Type: GrantFiled: October 29, 2021Date of Patent: June 13, 2023Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami, Ryuji Muranaka
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Publication number: 20220223763Abstract: A light-emitting device includes: a base member including: a first lead, a second lead, and a securing member securing the first and second leads; a light-emitting element mounted on an upper surface of the base member; a frame, a part of which is disposed on the upper surface of the base member to surround the light-emitting element; a first member covering at least a portion of an upper surface of the securing member that is exposed at an outer peripheral side of the frame in a top view, the first member being arranged intermittently under the frame and containing a reflective material; and a second member covering the light-emitting element, the frame, and the first member. The frame has a first region on which the first member is arranged and a second region on which the first member is not arranged, the first and second regions having different heights.Type: ApplicationFiled: March 31, 2022Publication date: July 14, 2022Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI, Ryuji MURANAKA
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Patent number: 11367821Abstract: A light emitting device includes: a base member including: a first lead, a second lead, and a supporting member holding the first lead and the second lead while electrically separating the first lead and the second lead from each other; a light emitting element located on the first lead; a resin frame located on the upper surface of the base member; a first resin part surrounded by the resin frame and covering the light emitting element; and a second resin part covering the resin frame and the first resin part. The first lead includes a main part having a plurality of projecting parts disposed at a lateral surface between an upper surface and a lower surface of the main part. The plurality of projecting parts overlap with the resin frame in a plan view.Type: GrantFiled: July 21, 2020Date of Patent: June 21, 2022Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami
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Patent number: 11322658Abstract: A light-emitting device includes a base member including a first lead, a second lead, and a securing member securing the first lead and the second lead, a light-emitting element mounted on an upper surface of the base member, a frame disposed on the upper surface of the base member to surround the light-emitting element, a first member covering at least a portion of an upper surface of the securing member exposed at an outer peripheral side of the frame in a top view, the first member being in contact with an outer lateral surface of the frame and containing a reflective material, and a second member covering the light-emitting element, the frame, and the first member. The first member has an inclined region in a cross-sectional view. A maximum height of the inclined region is less than a height of an upper end of the frame.Type: GrantFiled: January 29, 2020Date of Patent: May 3, 2022Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami, Ryuji Muranaka
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Publication number: 20220059742Abstract: A light-emitting device includes: a base member; a base body formed on an upper surface of the base member, the base body including a wiring layer; a light-emitting element mounted on an upper surface of the base body, wherein the light-emitting element includes an element-substrate, and a semiconductor layer located on the element-substrate; a resin frame located on the upper surface of the base body; and a first resin located inside the resin frame to cover a part of side surfaces of the light-emitting element, a part of inner side surface of the resin frame, and the upper surface of the base body. The first resin includes: a reflective material layer that contains a reflective material, and a resin layer that is located on an upper surface of the reflective material layer and does not contain the reflective material.Type: ApplicationFiled: October 29, 2021Publication date: February 24, 2022Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI, Ryuji MURANAKA
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Patent number: 11233184Abstract: A light-emitting device includes: a light-emitting element; a base including a first lead having an element disposal portion and a first wire bonding portion, a second lead having a second wire bonding portion and a fixing member; a frame provided on a upper surface of the base; an Ag plating layer covering an upper surface of the element disposal portion; an Au plating layer covering at least an upper surface of the first wire bonding portion and at least an upper surface of the second wire bonding portion; a first wire; and a second wire. The Ag plating layer is disposed apart inwardly from at least a part of an outer circumference of an end portion of the element disposal portion, and the frame body is provided at a position that the frame body covers the Ag plating layer, the first wire bonding portion, and the second wire bonding portion.Type: GrantFiled: March 31, 2020Date of Patent: January 25, 2022Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami, Ryuji Muranaka
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Patent number: 11189764Abstract: A light-emitting device includes: a base body comprising a resin member, a first lead, and a second lead, wherein the first lead and the second lead are supported by the resin member; a light-emitting element mounted on an upper surface of the base body; a resin frame located on the upper surface of the base body, surrounding the light-emitting element; and a first resin located inside the resin frame to cover a part of side surfaces of the light-emitting element, a part of an inner side surface of the resin frame, and the upper surface of the base body, wherein the first resin includes: a reflection material layer that contains a reflection material, and a resin layer that is located on an upper surface of the reflective material layer and does not contain the reflective material.Type: GrantFiled: November 19, 2019Date of Patent: November 30, 2021Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami, Ryuji Muranaka
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Publication number: 20200350479Abstract: A light emitting device includes: a base member including: a first lead, a second lead, and a supporting member holding the first lead and the second lead while electrically separating the first lead and the second lead from each other; a light emitting element located on the first lead; a resin frame located on the upper surface of the base member; a first resin part surrounded by the resin frame and covering the light emitting element; and a second resin part covering the resin frame and the first resin part. The first lead includes a main part having a plurality of projecting parts disposed at a lateral surface between an upper surface and a lower surface of the main part. The plurality of projecting parts overlap with the resin frame in a plan view.Type: ApplicationFiled: July 21, 2020Publication date: November 5, 2020Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI
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Patent number: 10806809Abstract: A light-emitting device includes a light-emitting element with a peak emission wavelength in a range of 400 nm to 410 nm and a fluorescent member that contains a first phosphor with a peak emission wavelength in a range of 440 nm to 470 nm containing a Eu-activated alkaline-earth phosphate that contains Cl in a composition, a second phosphor with a peak emission wavelength in a range of 500 nm to 530 nm containing a Eu-activated halogen-containing alkaline-earth silicate, a third phosphor with a peak emission wavelength in a range of 530 nm to 600 nm containing a Ce-activated rare-earth aluminate, and a fourth phosphor with a peak emission wavelength in a range of 600 nm to 660 nm containing a Eu-activated silicon nitride containing Al and at least one of Sr and Ca in a composition.Type: GrantFiled: October 30, 2019Date of Patent: October 20, 2020Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami
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Publication number: 20200313058Abstract: A light-emitting device includes: a light-emitting element; a base including a first lead having an element disposal portion and a first wire bonding portion, a second lead having a second wire bonding portion and a fixing member; a frame provided on a upper surface of the base; an Ag plating layer covering an upper surface of the element disposal portion; an Au plating layer covering at least an upper surface of the first wire bonding portion and at least an upper surface of the second wire bonding portion; a first wire; and a second wire. The Ag plating layer is disposed apart inwardly from at least a part of an outer circumference of an end portion of the element disposal portion, and the frame body is provided at a position that the frame body covers the Ag plating layer, the first wire bonding portion, and the second wire bonding portion.Type: ApplicationFiled: March 31, 2020Publication date: October 1, 2020Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI, Ryuji MURANAKA
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Patent number: 10756246Abstract: A light emitting device includes: a base member including: a first lead, a second lead, and a supporting member, the base member having an upper surface including a first surface, which is a surface of the first lead, a second surface, which is a surface of the second lead, and a third surface, which is a surface of the supporting member; a light emitting element located on the first surface; a protective element located on the second surface; a wire having a first end connected to the first surface, and a second end connected to a terminal electrode of the protective element; a resin frame located on the upper surface of the base member; a first resin part surrounded by the resin frame and covering the light emitting element and the first end of the wire; and a second resin part covering the resin frame and the first resin part.Type: GrantFiled: October 4, 2018Date of Patent: August 25, 2020Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami
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Publication number: 20200251617Abstract: A light-emitting device includes a base member including a first lead, a second lead, and a securing member securing the first lead and the second lead, a light-emitting element mounted on an upper surface of the base member, a frame disposed on the upper surface of the base member to surround the light-emitting element, a first member covering at least a portion of an upper surface of the securing member exposed at an outer peripheral side of the frame in a top view, the first member being in contact with an outer lateral surface of the frame and containing a reflective material, and a second member covering the light-emitting element, the frame, and the first member. The first member has an inclined region in a cross-sectional view. A maximum height of the inclined region is less than a height of an upper end of the frame.Type: ApplicationFiled: January 29, 2020Publication date: August 6, 2020Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI, Ryuji MURANAKA
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Publication number: 20200168776Abstract: A light-emitting device includes: a base body comprising a resin member, a first lead, and a second lead, wherein the first lead and the second lead are supported by the resin member; a light-emitting element mounted on an upper surface of the base body; a resin frame located on the upper surface of the base body, surrounding the light-emitting element; and a first resin located inside the resin frame to cover a part of side surfaces of the light-emitting element, a part of an inner side surface of the resin frame, and the upper surface of the base body, wherein the first resin includes: a reflection material layer that contains a reflection material, and a resin layer that is located on an upper surface of the reflective material layer and does not contain the reflective material.Type: ApplicationFiled: November 19, 2019Publication date: May 28, 2020Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI, Ryuji MURANAKA
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Publication number: 20200061222Abstract: A light-emitting device includes a light-emitting element with a peak emission wavelength in a range of 400 nm to 410 nm and a fluorescent member that contains a first phosphor with a peak emission wavelength in a range of 440 nm to 470 nm containing a Eu-activated alkaline-earth phosphate that contains Cl in a composition, a second phosphor with a peak emission wavelength in a range of 500 nm to 530 nm containing a Eu-activated halogen-containing alkaline-earth silicate, a third phosphor with a peak emission wavelength in a range of 530 nm to 600 nm containing a Ce-activated rare-earth aluminate, and a fourth phosphor with a peak emission wavelength in a range of 600 nm to 660 nm containing a Eu-activated silicon nitride containing Al and at least one of Sr and Ca in a composition.Type: ApplicationFiled: October 30, 2019Publication date: February 27, 2020Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI
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Patent number: 10493175Abstract: A light-emitting device includes a light-emitting element with a peak emission wavelength in a range of 400 nm to 410 nm and a fluorescent member that contains a first phosphor with a peak emission wavelength in a range of 440 nm to 470 nm containing a Eu-activated alkaline-earth phosphate that contains Cl in a composition, a second phosphor with a peak emission wavelength in a range of 500 nm to 530 nm containing a Eu-activated halogen-containing alkaline-earth silicate, a third phosphor with a peak emission wavelength in a range of 530 nm to 600 nm containing a Ce-activated rare-earth aluminate, and a fourth phosphor with a peak emission wavelength in a range of 600 nm to 660 nm containing a Eu-activated silicon nitride containing Al and at least one of Sr and Ca in a composition.Type: GrantFiled: September 26, 2018Date of Patent: December 3, 2019Assignee: NICHIA CORPORATIONInventors: Hiroaki Ukawa, Ryuichi Nakagami
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Publication number: 20190115512Abstract: A light emitting device includes: a base member including: a first lead, a second lead, and a supporting member, the base member having an upper surface including a first surface, which is a surface of the first lead, a second surface, which is a surface of the second lead, and a third surface, which is a surface of the supporting member; a light emitting element located on the first surface; a protective element located on the second surface; a wire having a first end connected to the first surface, and a second end connected to a terminal electrode of the protective element; a resin frame located on the upper surface of the base member; a first resin part surrounded by the resin frame and covering the light emitting element and the first end of the wire; and a second resin part covering the resin frame and the first resin part.Type: ApplicationFiled: October 4, 2018Publication date: April 18, 2019Applicant: Nichia CorporationInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI
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Publication number: 20190091355Abstract: A light-emitting device includes a light-emitting element with a peak emission wavelength in a range of 400 nm to 410 nm and a fluorescent member that contains a first phosphor with a peak emission wavelength in a range of 440 nm to 470 nm containing a Eu-activated alkaline-earth phosphate that contains Cl in a composition, a second phosphor with a peak emission wavelength in a range of 500 nm to 530 nm containing a Eu-activated halogen-containing alkaline-earth silicate, a third phosphor with a peak emission wavelength in a range of 530 nm to 600 nm containing a Ce-activated rare-earth aluminate, and a fourth phosphor with a peak emission wavelength in a range of 600 nm to 660 nm containing a Eu-activated silicon nitride containing Al and at least one of Sr and Ca in a composition.Type: ApplicationFiled: September 26, 2018Publication date: March 28, 2019Applicant: NICHIA CORPORATIONInventors: Hiroaki UKAWA, Ryuichi NAKAGAMI