Patents by Inventor Hiroyuki Nakamura
Hiroyuki Nakamura 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: 20190109077Abstract: A semiconductor apparatus includes a first semiconductor element, a second semiconductor element, and a metal pattern formed on the second semiconductor clement. The metal pattern includes a first connection connected to the first semiconductor element and a second connection connected to a first terminal portion of the first semiconductor element and positioned away from the first connection. A first electrically conductive path formed between the first and second connections has a larger electric resistance than an electric resistance of a second electrically conductive path formed between the second connection and the first terminal portion.Type: ApplicationFiled: July 10, 2018Publication date: April 11, 2019Applicant: Mitsubishi Electric CorporationInventor: Hiroyuki NAKAMURA
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Publication number: 20190103297Abstract: It is an object to provide a technique capable of providing a semiconductor device with information indicating a plurality of electrical characteristics. A semiconductor device sorting system includes a characteristic measurement unit measuring electrical characteristics of a semiconductor device, a rank determination database for classifying the electrical characteristics into ranks, a calculation unit classifying the plurality of electrical characteristics of the semiconductor device measured by the characteristic measurement unit into a plurality of ranks with reference to the rank determination database, a writing unit converting the plurality of ranks classified by the calculation unit into a graphic symbolic code and forming the graphic symbolic code on the semiconductor device, a reading unit reading the plurality of ranks from the graphic symbolic code formed on the semiconductor device, and a sorting unit sorting the semiconductor device based on the plurality of ranks being read by the reading unit.Type: ApplicationFiled: August 27, 2018Publication date: April 4, 2019Applicant: Mitsubishi Electric CorporationInventors: Shuhei YOKOYAMA, Maki HASEGAWA, Hiroyuki NAKAMURA, Shigeru MORI, Toru IWAGAMI
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Patent number: 10239323Abstract: It is difficult to reduce the number of parts of a known bottle set. A bottle set includes: a bottle having an ink container capable of containing ink, and a nozzle through which the ink in the ink container can flow out; and a lid member that is attachable to and detachable from the bottle, and can cover the nozzle in a state where the lid member is attached to the bottle. An outflow port from which the ink in the ink container can flow out is formed in the nozzle, the lid member has a sealing portion that seals the outflow port in a state where the lid member is attached to the bottle, and the sealing portion is integrally formed in the lid member.Type: GrantFiled: May 25, 2017Date of Patent: March 26, 2019Assignee: Seiko Epson CorporationInventors: Takumi Nagashima, Tetsuya Takamoto, Hiroyuki Nakamura, Tadahiro Mizutani
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Publication number: 20190088577Abstract: Performance of a semiconductor device is enhanced. A semiconductor device is a semiconductor device obtained by sealing in a sealing portion first, second, and third semiconductor chips each incorporating a power transistor for high-side switch, fourth, fifth, and sixth semiconductor chips each incorporating a power transistor for low-side switch, and a semiconductor chip incorporating a control circuit controlling these chips. The source pads of the fourth, fifth, and sixth semiconductor chips are electrically coupled to a plurality of leads LD9 and a plurality of leads LD10 via a metal plate. As viewed in a plane, the leads LD9 intersect with a side MRd4 of the sealing portion and the leads LD10 intersect with a side MRd2 of the sealing portion.Type: ApplicationFiled: July 29, 2018Publication date: March 21, 2019Inventors: Hiroya SHIMOYAMA, Hiroyuki NAKAMURA
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Patent number: 10215808Abstract: A scan test circuit includes a scan chain formed of a plurality of sub-scan chains, an input distribution circuit, and an output compression circuit. With the use of a bypass circuit, a plurality of sub-scan chains are formed in a compression scan mode by connecting scan cell circuits of a high confidentiality-requiring circuit among a plurality of scan cell circuits included in an internal circuit, and a plurality of sub-scan chains are formed in a non-compression scan mode by bypassing the scan cell circuits of the high confidentiality-requiring circuit.Type: GrantFiled: January 20, 2017Date of Patent: February 26, 2019Assignee: MegaChips CorporationInventor: Hiroyuki Nakamura
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Patent number: 10207515Abstract: A liquid ejecting apparatus includes a first tank that stores liquid to be supplied to a liquid ejecting head, a second tank that receives liquid that has not been ejected by the liquid ejecting head, a circulation path that circulates liquid. The second tank separately has a first opening that communicates with a second pressure adjusting unit that can depressurize the second tank and a second opening that communicates with a second atmosphere opening valve that switches the second tank between a sealed state and an atmosphere opening state. The second opening is arranged at a position lower than the first opening in a vertical direction.Type: GrantFiled: March 1, 2018Date of Patent: February 19, 2019Assignee: Seiko Epson CorporationInventors: Hiroyuki Nakamura, Izumi Nozawa
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Patent number: 10204849Abstract: The semiconductor device of the present invention is a semiconductor device in which a first semiconductor chip including a first field effect transistor for a high-side switch, a second semiconductor chip including a second field effect transistor for a low-side switch, and a third semiconductor chip including a circuit that controls each of the first and second semiconductor chips are sealed with a sealing portion. A lead electrically connected to a pad of the first semiconductor chip for a source of the first field effect transistor and a lead electrically connected to a back-surface electrode of the second semiconductor chip for a drain of the second field effect transistor are disposed on the same side of the sealing portion in a plan view.Type: GrantFiled: December 21, 2017Date of Patent: February 12, 2019Assignee: Renesas Electronics CorporationInventors: Hiroyuki Nakamura, Hiroya Shimoyama
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Publication number: 20190039379Abstract: A liquid ejecting apparatus includes a liquid ejecting head which performs a printing by ejecting liquid onto a medium from a nozzle, a wiping portion which wipes the liquid ejecting head by moving relative to the liquid ejecting head, a maintenance unit which performs a maintenance to forcibly discharge the liquid from the nozzle, and a preprocessing device which performs a preprocessing on the medium before the printing is performed, in which when the wiping portion and the liquid ejecting head are separated from each other in the wiping not accompanying the maintenance, the wiping portion is displaced in a direction away from the preprocessing device.Type: ApplicationFiled: August 6, 2018Publication date: February 7, 2019Inventors: Hiroyuki NAKAMURA, Izumi NOZAWA
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Patent number: 10195626Abstract: A trigger-type liquid dispenser that, even when lateral force is applied to a trigger, prevents liquid leakage. The trigger-type liquid dispenser includes a pump, which includes: a cylinder, which includes an inner tubular wall and an outer tubular wall; a piston, which has a front-side end portion; a front-side sealing piece and a rear-side sealing piece; an outer-circumferential-side support portion; and an inner-circumferential-side support portion. The outer-circumferential-side support portion is provided with an annular cut-off portion, which forms a gap between the outer-circumferential-side support portion and an outer circumferential surface of the piston.Type: GrantFiled: November 11, 2015Date of Patent: February 5, 2019Assignee: YOSHINO KOGYOSHO CO., LTD.Inventors: Kotaro Fujiwara, Hiroyuki Nakamura, Shigeo Iizuka
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Publication number: 20190025211Abstract: Particularly provided is a method and a system for screening nanoparticles which allow effective search of conditions for surface modification of nanoparticles and reduction in the time, the labor, and the amount of a sample required for the surface modification compared with conventional techniques. The method for screening nanoparticles includes the steps of: dividing a nanoparticle suspension for a respective plurality of containers provided in a containment receptacle; performing surface modification on nanoparticles under different conditions for the respective containers; preparing evaluation samples by adding a dispersion medium into each container and mixing the nanoparticles and the dispersion medium; and performing evaluation on the evaluation sample in each container by optical analysis.Type: ApplicationFiled: August 19, 2016Publication date: January 24, 2019Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NS MATERIALS INC.Inventors: Hiroyuki NAKAMURA, Maki SAEKI, Masanori TANAKA, Eiichi KANAUMI
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Publication number: 20190003673Abstract: A vehicular lighting apparatus which is relatively small, low cost, superior in mountability to an automobile, and superior in recognizeability of an object illuminated by a head lamp. The apparatus includes: a composite lens element that is a light guide element constructed by molding a translucent resin substantially into a plate-like shape; a planar light-emitting unit that emits light; an optical system that transforms planar light from the light-emitting unit into linear light and that causes the linear transformed light to be incident on a rear side face of the light guide element; and a diffraction lens formed on the rear side face of the light guide element on which the linear transformed light is incident, and condensing the linear transformed light. The light condensed by the lens means is emitted from a front side face of the light guide element onto a road surface in front of the vehicle.Type: ApplicationFiled: September 5, 2018Publication date: January 3, 2019Applicant: MAXELL, LTD.Inventors: Koji HIRATA, Masahiko YATSU, Hiroyuki KAJIKAWA, Hiroyuki NAKAMURA
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Patent number: 10143623Abstract: According to the present invention, a packing member (20) is disposed between a mouth portion (2b) of a container body (2) and a lid base portion (5). A crushing protrusion (20b) which protrudes downward and is crushed to an upper end opening edge of the container body (2) is formed on a lower surface of the packing member (20). An overhang recess (20c) which is at least partially located just above the crushing protrusion (20b) is formed on an upper surface of the packing member (20). After the lid base portion (5), the movable lid portion (6) and the syringe tube (8) are detached from the container body (2), when mounting again, until a crushing protrusion (20b) is crushed, the packing member (20) forms a communication gap (30) between the mouth portion (2b) of the container body (2) and the packing member (20).Type: GrantFiled: August 6, 2015Date of Patent: December 4, 2018Assignee: YOSHINO KOGYOSHO CO., LTD.Inventors: Kazuo Suzuki, Hiroyuki Nakamura
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Publication number: 20180340665Abstract: A vehicular lighting apparatus is relatively small, low cost, superior in mountability, and offers a superior design. The vehicular lighting apparatus attachable to a front end of a vehicle includes: a composite lens element that is a light guide element constructed by molding a translucent resin substantially into a plate-like shape; a planar light-emitting unit that emits illumination light; an optical system that transforms planar light from the light-emitting unit into linear light and that causes the linear transformed light to be incident on a rear side face of the light guide element; and a diffraction lens formed on the rear side face of the light guide element on which the linear transformed light is incident, and condensing the linear transformed light. The light condensed by the lens means is emitted from a front side face of the light guide element onto a road surface in front of the vehicle.Type: ApplicationFiled: July 18, 2018Publication date: November 29, 2018Applicant: MAXELL, LTD.Inventors: Koji HIRATA, Masahiko YATSU, Hiroyuki KAJIKAWA, Hiroyuki NAKAMURA
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Patent number: 10141643Abstract: A high-frequency filter includes a first output to output a first signal, a first filter, a second filter, and a first matching circuit connected to an output of the first filter and to an output of the second filter. The first signal is provided to the first output from one of the output of the first filter and the output of the second filter via the first matching circuit. The first matching circuit includes a resonator connected in series between the first output and the output of only one of the first filter and the second filter.Type: GrantFiled: October 5, 2015Date of Patent: November 27, 2018Assignee: SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.Inventors: Joji Fujiwara, Tetsuya Tsurunari, Tomoya Komatsu, Hiroyuki Nakamura
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Patent number: 10135422Abstract: A filter device having improved attenuation and isolation characteristics. In one example the filter device has a common terminal, a first terminal, and a second terminal, and includes a first filter connected between the common terminal and the first terminal, a second filter connected between the common terminal and the second terminal, and an additional circuit including at least three IDT electrodes each connected to a respective one of a corresponding at least three connection points within the filter device, the at least three connection points being selected from a group consisting of the common terminal, the first terminal, the second terminal, a first node disposed between the plurality of first filter elements along a path extending between the common terminal and the first terminal, and a second node disposed between the plurality of second filter elements along a path extending between the common terminal and the second terminal.Type: GrantFiled: September 30, 2016Date of Patent: November 20, 2018Assignee: SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.Inventors: Rei Goto, Joji Fujiwara, Tetsuya Tsurunari, Hiroyuki Nakamura
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Publication number: 20180319172Abstract: A cartridge comprises a liquid container that is at least partly made of a flexible material and is configured to contain a liquid therein; a recess that is configured to be open toward a mounting direction of the cartridge to a liquid ejection apparatus; and a fluid receiving portion that is placed inside of the recess and is configured to receive supply of a pressurized fluid.Type: ApplicationFiled: July 11, 2018Publication date: November 8, 2018Applicant: SEIKO EPSON CORPORATIONInventors: Yoshihiro KOIZUMI, Hiroyuki NAKAMURA, Ayumi YOSHIDA
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Publication number: 20180314143Abstract: The purpose of the present invention is to provide a projection type image display apparatus which is simple in configuration, low in price, and improved in reliability and brightness of an illumination light source. The present invention is a projection type image display apparatus provided with: a lamp; a reflector that reflects a light flux emitted from the lamp; a collimating lens that collimates the light reflected by the reflector; a light modulation device that modulates the collimated light to output the modulated light; and a projection lens that projects the modulated light. The reflector is configured to prevent the lamp from being irradiated with the reflected light of the light flux emitted from the lamp, and the collimating lens is formed of one biconcave lens having concave surfaces on both the incident side and the exit side.Type: ApplicationFiled: October 22, 2015Publication date: November 1, 2018Applicant: MAXELL, LTD.Inventors: Shuichi SAKAMOTO, Kazuo SHIKITA, Hiroyuki NAKAMURA
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Publication number: 20180315685Abstract: In a resin sealing type semiconductor device, a semiconductor chip CP2 is mounted over a die pad DP having conductivity via a bonding member BD2 having insulation property, and a semiconductor chip CP1 is mounted over the die pad DP via a bonding member BD1 having conductivity. A first length of a portion, in a first side formed by an intersection of a first side surface and a second side surface of the semiconductor chip CP2, covered with the bonding member BD2 is larger than a second length of a portion, in a second side formed by an intersection of a third side surface and a fourth side surface of the semiconductor chip CP1, covered with the bonding member BD1.Type: ApplicationFiled: June 27, 2018Publication date: November 1, 2018Inventors: Atsushi NISHIKIZAWA, Yuichi YATO, Hiroi OKA, Tadatoshi DANNO, Hiroyuki NAKAMURA
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Publication number: 20180308838Abstract: A semiconductor device includes a semiconductor substrate in which a first region having a freewheeling diode arranged therein, second regions having an IGBT arranged therein, and a withstand-voltage retention region surrounding the first region and the second regions in plan view are defined. The semiconductor substrate has a first main surface and a second main surface. The semiconductor substrate includes an anode layer having a first conductivity type, which is arranged in the first main surface of the first region, and a diffusion layer having the first conductivity type, which is arranged in the first main surface of the withstand-voltage retention region adjacently to the anode layer. A first trench is arranged in the first main surface on a side of the anode layer with respect to a boundary between the anode layer and the diffusion layer.Type: ApplicationFiled: December 21, 2017Publication date: October 25, 2018Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki NAKAMURA, Shinya SONEDA
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Patent number: 10100995Abstract: A vehicular lighting apparatus which is relatively small, lower in cost, and superior in recognizeability of an object illuminated by a head lamp includes a composite lens element that is a light guide element constructed by molding a translucent resin substantially into a plate-like shape; a planar light-emitting unit that emits light; an optical system that transforms planar light from the light-emitting unit into linear light and that causes the linear transformed light to be incident on a rear side face of the light guide element; and a diffraction lens formed on the rear side face of the light guide element on which the linear transformed light is incident, and condensing the linear transformed light. The light condensed by the lens means is emitted from a front side face of the light guide element onto a road surface in front of the vehicle.Type: GrantFiled: September 30, 2014Date of Patent: October 16, 2018Assignee: MAXELL, LTD.Inventors: Koji Hirata, Masahiko Yatsu, Hiroyuki Kajikawa, Hiroyuki Nakamura