Patents by Inventor Hiroaki Matsui
Hiroaki Matsui 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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Publication number: 20240146222Abstract: A drive apparatus of a synchronous motor includes: a current detecting unit that detects a phase current flowing to the synchronous motor; and a magnetic pole position estimating unit that estimates a magnetic pole position of a rotor of the synchronous motor, based on the phase current detected by the current detecting unit. The magnetic pole position estimating unit includes a first peak-to-peak detector that detects a first peak-to-peak value representing a difference between a maximum value and a minimum value of the phase current, a quadrature component detector that detects a quadrature component of the phase current, and a second peak-to-peak detector that detects a second peak-to-peak value representing a difference between a maximum value and a minimum value of the quadrature component.Type: ApplicationFiled: August 31, 2021Publication date: May 2, 2024Inventors: Hiroaki SATO, Hirokazu MATSUI, Toshisada MITSUI, Kohei MYOEN
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Publication number: 20240126119Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: ApplicationFiled: December 21, 2023Publication date: April 18, 2024Inventors: Hiroaki MATSUI, Takashi IKUTA
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Patent number: 11892727Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: GrantFiled: April 21, 2023Date of Patent: February 6, 2024Assignee: SATURN LICENSING LLCInventors: Hiroaki Matsui, Takashi Ikuta
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Publication number: 20230375875Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: ApplicationFiled: April 21, 2023Publication date: November 23, 2023Inventors: Hiroaki MATSUI, Takashi IKUTA
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Publication number: 20230357902Abstract: The method includes casting a billet of an aluminum alloy composition including, by mass: 6.0 to 8.0% of Zn, 1.5 to 3.0% of Mg, 0.20 to 1.50% of Cu, 0.10 to 0.25% of Zr, 0.005 to 0.05% of Ti, 0.15 to 0.35% of Mn, 0.25% or less of Sr, and 0.25 to 0.50% of a total of [Mn+Zr+Sr], and a balance including Al and unavoidable impurities, cooling the billet at a rate equal to or higher than a cooling rate of 50° C./hr after homogenization treatment at 480 to 520° C. for 1 to 14 hours, extruding an extruded material by using the billet subjected to the homogenization treatment so that a temperature of the extruded material directly after extruding becomes 325 to 550° C., cooling the extruded material at a rate of a cooling rate of 50 to 750° C./min directly after extruding, and applying two-stage artificial aging treatment.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Inventors: Karin SHIBATA, Hiroaki MATSUI
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Publication number: 20230357889Abstract: The method for manufacturing an aluminum alloy extruded material using an aluminum alloy containing 20 to 95% by mass of a recycled aluminum material made by collecting and remelting extruded materials of aluminum alloys that are used or scrap materials generated in a manufacturing process, containing by mass: 6.0 to 8.0% of Zn, 1.0 to 2.0% of Mg, 0.10 to 0.50% of Cu, 0.10 to 0.25% of Zr, and 0.005 to 0.05% of Ti, with 0.30% or less of Si and 0.40% or less of Fe as impurities, and a balance being Al, includes cooling an extruded material at a cooling rate of 50 to 750° C./min from an extruded material temperature of 325 to 550° C. directly after extrusion, and thereafter performing two-stage artificial aging treatment at 90 to 130° C. for 1 to 8 hours and at 130 to 180° C. for 1 to 20 hours.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Inventors: Karin SHIBATA, Hiroaki MATSUI
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Publication number: 20230261679Abstract: A semiconductor device includes: a first terminal connected to an antenna; a second terminal connected to an input terminal of a receiving circuitry; a third terminal connected to an output terminal of a transmitting circuitry; a first inductor arranged in a signal path extending from the first terminal to the second terminal; and a second inductor arranged in a signal path extending from the first terminal to the third terminal, and the first inductor and the second inductor are formed so as to have at least a partial overlapping portion in plan view.Type: ApplicationFiled: February 16, 2023Publication date: August 17, 2023Applicant: Renesas Electronics CorporationInventors: Kyoya Takegawa, Kenichi Shibata, Hiroaki Matsui
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Publication number: 20230234084Abstract: Provided is a film forming apparatus capable of stably supplying a large amount of ceramic raw material powder for a long time and forming a homogeneous and dense film. A film forming apparatus 1 for forming a film on a base material K includes an aerosol transport path 10 for ejecting an aerosol obtained by dispersing a ceramic raw material powder in a gas, from an ejection end 10a toward the base material K, in which a flow path cross-section at an ejection end 10a of the aerosol transport path 10 has a substantially circular shape with an area of 10 mm2 or more.Type: ApplicationFiled: March 31, 2021Publication date: July 27, 2023Inventors: Kyohei Manabe, Katsuki Higaki, Hisao Ohnishi, Mitsuaki Echigo, Tadayuki Sogi, Jun Akedo, Rintaro Aoyagi, Hiroaki Matsui, Kentaro Shinoda, Hiroki Tsuda
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Patent number: 11707774Abstract: A workpiece material is fed between rollers to bend the workpiece material while rolling, wherein the workpiece has a first thickness portion and a second thickness portion connected to each other with a setting angle of 90 degrees. The first thickness portion increases from an inner side toward an outer side, and a thickness on an outer peripheral side of the first thickness portion is M, and a thickness of a cross section of the second thickness portion is N. The workpiece material is rolled in such that at a completion of bending, a thickness of a cross section of a first thickness portion is m, an outer radius of the first thickness portion is R, an inner radius of the first thickness portion is r, and a thickness of a cross section of a second thickness portion is n, and M equals to m(R/r), and N equals to n(R/r).Type: GrantFiled: June 9, 2021Date of Patent: July 25, 2023Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., AISIN KEIKINZOKU KABUSHIKI KAISHAInventors: Takahiro Tachibana, Jin Shinmura, Arata Yoshida, Hiroaki Matsui
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Patent number: 11668974Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: GrantFiled: November 5, 2021Date of Patent: June 6, 2023Assignee: SATURN LICENSING LLCInventors: Hiroaki Matsui, Takashi Ikuta
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Publication number: 20230039852Abstract: The present technology relates to a display device and a speaker device capable of outputting sound from the display surface of a non-self-luminous display panel. Provided is a display device including: a display panel unit that includes a non-self-luminous display cell; a light source unit that irradiates the display panel unit with light from a back surface; and an excitation unit that vibrates a constituent member constituting the display panel unit and outputs sound from a display surface of the display cell. The excitation unit provides excitation to an excitation member having a predetermined shape and a predetermined color to vibrate the constituent member that is fixed to the excitation member by a predetermined fixing method. The present technology can be applied to, for example, a liquid crystal display device.Type: ApplicationFiled: January 8, 2021Publication date: February 9, 2023Applicant: Sony Group CorporationInventors: Kazumasa Okamoto, Tatsuya Sakata, Hiroaki Matsui
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Publication number: 20220057675Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: ApplicationFiled: November 5, 2021Publication date: February 24, 2022Applicant: Saturn Licensing LLCInventors: Hiroaki Matsui, Takashi Ikuta
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Patent number: 11227953Abstract: A tunneling field effect transistor according to an embodiment of the present invention includes: a first semiconductor layer having a first conductive type; a second semiconductor layer having a second conductive type and realizing a heterojunction with respect to the first semiconductor layer in a first region; a gate insulating layer over the second semiconductor layer in the first region; a gate electrode layer over the gate insulating layer; a first electrode layer electrically connected to the first semiconductor layer; a second electrode layer electrically connected to the second semiconductor layer; and a first insulating layer interposed between the first semiconductor layer and the second semiconductor layer in a second region adjacent to the first region toward the second electrode layer.Type: GrantFiled: November 28, 2018Date of Patent: January 18, 2022Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Kimihiko Kato, Shinichi Takagi, Mitsuru Takenaka, Hitoshi Tabata, Hiroaki Matsui
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Patent number: 11194192Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: GrantFiled: December 1, 2020Date of Patent: December 7, 2021Assignee: Saturn Licensing LLCInventors: Hiroaki Matsui, Takashi Ikuta
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Patent number: 11192160Abstract: The disclosure aims to provide a structural member made of an extruded material that effectively helps to reduce weight while ensuring strength and rigidity. The structural member has a varied wall thickness along an extrusion direction.Type: GrantFiled: May 29, 2019Date of Patent: December 7, 2021Inventors: Hiroaki Matsui, Jin Shinmura, Kazunobu Nuno
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Publication number: 20210291247Abstract: A workpiece material is fed between rollers to bend the workpiece material while rolling, wherein the workpiece has a first thickness portion and a second thickness portion connected to each other with a setting angle of 90 degrees. The first thickness portion increases from an inner side toward an outer side, and a thickness on an outer peripheral side of the first thickness portion is M, and a thickness of a cross section of the second thickness portion is N. The workpiece material is rolled in such that at a completion of bending, a thickness of a cross section of a first thickness portion is m, an outer radius of the first thickness portion is R, an inner radius of the first thickness portion is r, and a thickness of a cross section of a second thickness portion is n, and M equals to m(R/r), and N equals to n(R/r).Type: ApplicationFiled: June 9, 2021Publication date: September 23, 2021Inventors: Takahiro TACHIBANA, Jin SHINMURA, Arata YOSHIDA, Hiroaki MATSUI
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Patent number: 11046043Abstract: Provided is a linerless thermosensitive recording body package, a roll of a linerless thermosensitive recording sheet being packaged in the linerless thermosensitive recording body package, the linerless thermosensitive recording sheet including a support, a thermosensitive color developing layer over one surface of the support, a release layer over the thermosensitive color developing layer, and an adhesive layer over an opposite surface of the support, the linerless thermosensitive recording sheet being wound in roll shape in a manner that the adhesive layer comes to an internal side of the support, wherein a peel force for peeling the linerless thermosensitive recording sheet from the roll is 50 mN/50 mm or greater but 250 mN/50 mm or less, wherein a water content of the linerless thermosensitive recording sheet is 4.5% or higher but 6.5% or lower, the roll of the linerless thermosensitive recording sheet being seal-packaged in the linerless thermosensitive recording body package.Type: GrantFiled: March 12, 2018Date of Patent: June 29, 2021Assignee: Ricoh Company, Ltd.Inventors: Tohru Kitano, Tomohisa Kakuda, Hiroaki Matsui
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Publication number: 20210088845Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: ApplicationFiled: December 1, 2020Publication date: March 25, 2021Applicant: Sony CorporationInventors: Hiroaki Matsui, Takashi Ikuta
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Publication number: 20210005758Abstract: A tunneling field effect transistor according to an embodiment of the present invention includes: a first semiconductor layer having a first conductive type; a second semiconductor layer having a second conductive type and realizing a heterojunction with respect to the first semiconductor layer in a first region; a gate insulating layer over the second semiconductor layer in the first region; a gate electrode layer over the gate insulating layer; a first electrode layer electrically connected to the first semiconductor layer; a second electrode layer electrically connected to the second semiconductor layer; and a first insulating layer interposed between the first semiconductor layer and the second semiconductor layer in a second region adjacent to the first region toward the second electrode layer.Type: ApplicationFiled: November 28, 2018Publication date: January 7, 2021Inventors: Kimihiko KATO, Shinichi TAKAGI, Mitsuru TAKENAKA, Hitoshi TABATA, Hiroaki MATSUI
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Patent number: 10871676Abstract: An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.Type: GrantFiled: March 19, 2018Date of Patent: December 22, 2020Inventors: Hiroaki Matsui, Takashi Ikuta