Patents by Inventor Toru Takayama

Toru Takayama 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: 10968845
    Abstract: A control device is provided for a compression ignition engine, which controls so that partial compression ignition combustion of A/F-lean mixture gas is carried out in a specific range where an engine load is low. In a first range of the specific range, a normal ignition in which sparks are generated in a late period of compression stroke or an early period of expansion stroke to start SI combustion, and a preceding ignition in which sparks are generated at a timing included in intake stroke or compression stroke and earlier than the normal ignition by a given amount or more are performed, and fuel is injected at a timing where fuel is present before the preceding ignition inside the combustion chamber. In a high-load side second range of the specific range, at least the normal ignition is performed and the execution of the preceding ignition is limited.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: April 6, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Takuya Ohura, Keiji Maruyama, Toru Miyamoto, Kouji Hadama, Masataka Sumita, Takahiro Izaki, Shinji Takayama
  • Patent number: 10971897
    Abstract: A semiconductor laser device includes: a first conductivity side semiconductor layer, an active layer; and a second conductivity side semiconductor layer. The second conductivity side semiconductor layer includes a first semiconductor layer and a second semiconductor layer, the first semiconductor layer being closer to the active layer than the second semiconductor layer is. The second semiconductor layer defines a width of a current injection region for injecting current into an optical waveguide. The current injection region includes a width varying region in which a width varies. S1>S2, where S1 denotes a width of the width varying region on a front end face side, and S2 denotes a width of the width varying region on a rear end face side.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 6, 2021
    Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
    Inventors: Norio Ikedo, Tougo Nakatani, Takahiro Okaguchi, Takeshi Yokoyama, Tomohito Yabushita, Toru Takayama
  • Patent number: 10957723
    Abstract: To provide a semiconductor device in which a layer to be peeled is attached to a base having a curved surface, and a method of manufacturing the same, and more particularly, a display having a curved surface, and more specifically a light-emitting device having a light emitting element attached to a base with a curved surface. A layer to be peeled, which contains a light emitting element furnished to a substrate using a laminate of a first material layer which is a metallic layer or nitride layer, and a second material layer which is an oxide layer, is transferred onto a film, and then the film and the layer to be peeled are curved, to thereby produce a display having a curved surface.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: March 23, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toru Takayama, Junya Maruyama, Yuugo Goto, Hideaki Kuwabara, Shunpei Yamazaki
  • Patent number: 10934990
    Abstract: A control device is provided for a compression ignition engine, which controls the engine so that partial compression ignition combustion of A/F-lean mixture gas is carried out in a specific range where an engine load is low. In a first range of the specific range, a normal ignition in which sparks are generated in late compression stroke or early expansion stroke to start SI combustion, and a preceding ignition in which sparks are generated at a timing included in intake stroke or compression stroke and earlier than the normal ignition by a given amount are performed, and fuel is injected at a timing where fuel is present inside the combustion chamber before the preceding ignition. In a high-speed side second range of the specific range, at least the normal ignition is performed and the execution of the preceding ignition is limited.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 2, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Takuya Ohura, Keiji Maruyama, Toru Miyamoto, Kouji Hadama, Masataka Sumita, Takahiro Izaki, Shinji Takayama
  • Publication number: 20200412101
    Abstract: A semiconductor light emitting element includes: a GaN substrate; a first semiconductor layer located above the GaN substrate and including a nitride semiconductor of a first conductivity type; an active layer located above the first semiconductor layer and including a nitride semiconductor including Ga or In; an electron barrier layer located above the active layer and including a nitride semiconductor including Al; and a second semiconductor layer located above the electron barrier layer and including a nitride semiconductor of a second conductivity type. The electron barrier layer includes: a first region having an Al composition ratio changing at a first change rate; and a second region having an Al composition ratio changing at a second change rate larger than the first change rate. In the first second regions, the Al composition ratio monotonically increases at the first change rate in the direction from the active layer toward second semiconductor layer.
    Type: Application
    Filed: September 10, 2020
    Publication date: December 31, 2020
    Inventors: Toru TAKAYAMA, Shinji YOSHIDA, Kunimasa TAKAHASHI
  • Publication number: 20200362810
    Abstract: A control device is provided for a compression ignition engine, which controls the engine so that partial compression ignition combustion of A/F-lean mixture gas is carried out in a specific range where an engine load is low. In a first range of the specific range, a normal ignition in which sparks are generated in late compression stroke or early expansion stroke to start SI combustion, and a preceding ignition in which sparks are generated at a timing included in intake stroke or compression stroke and earlier than the normal ignition by a given amount are performed, and fuel is injected at a timing where fuel is present inside the combustion chamber before the preceding ignition. In a high-speed side second range of the specific range, at least the normal ignition is performed and the execution of the preceding ignition is limited.
    Type: Application
    Filed: February 4, 2020
    Publication date: November 19, 2020
    Inventors: Takuya Ohura, Keiji Maruyama, Toru Miyamoto, Kouji Hadama, Masataka Sumita, Takahiro Izaki, Shinji Takayama
  • Publication number: 20200362778
    Abstract: A control device is provided for a compression ignition engine, which controls so that partial compression ignition combustion of A/F-lean mixture gas is carried out in a specific range where an engine load is low. In a first range of the specific range, a normal ignition in which sparks are generated in a late period of compression stroke or an early period of expansion stroke to start SI combustion, and a preceding ignition in which sparks are generated at a timing included in intake stroke or compression stroke and earlier than the normal ignition by a given amount or more are performed, and fuel is injected at a timing where fuel is present before the preceding ignition inside the combustion chamber. In a high-load side second range of the specific range, at least the normal ignition is performed and the execution of the preceding ignition is limited.
    Type: Application
    Filed: February 5, 2020
    Publication date: November 19, 2020
    Inventors: Takuya Ohura, Keiji Maruyama, Toru Miyamoto, Kouji Hadama, Masataka Sumita, Takahiro Izaki, Shinji Takayama
  • Publication number: 20200328372
    Abstract: To realize a high-performance liquid crystal display device or light-emitting element using a plastic film. A CPU is formed over a first glass substrate and then, separated from the first substrate. A pixel portion having a light-emitting element is formed over a second glass substrate, and then, separated from the second substrate. The both are bonded to each other. Therefore, high integration can be achieved. Further, in this case, the separated layer including the CPU serves also as a sealing layer of the light-emitting element.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Inventors: Toru TAKAYAMA, Junya MARUYAMA, Yumiko OHNO
  • Publication number: 20200318555
    Abstract: A combustion control device for an engine includes a plurality of cylinders, a surge tank disposed in an intake path to the cylinders, an independent intake passage connecting the surge tank and an intake port of each of the cylinders, a fuel injection valve that is disposed for each of the cylinders and that supplies fuel into each of the cylinders, and a control unit that controls a fuel injection amount of each of the fuel injection valves according to an engine operating state. The control unit corrects a target fuel injection amount of each of the cylinders, the target fuel injection amount being determined according to the engine operating state, based on a re-intake correction amount set in each of the cylinders according to a re-intake amount of intake air from the intake port in internal EGR in each of the cylinders.
    Type: Application
    Filed: March 4, 2020
    Publication date: October 8, 2020
    Inventors: Masanari SUEOKA, Junichi TAGA, Hideki OMORI, Keiji MARUYAMA, Tatsuhiro TOKUNAGA, Takuya OHURA, Toru MIYAMOTO, Tomohiro NISHIDA, Kenji TANIMURA, Shinji TAKAYAMA, Yusuke KAWAI, Atsushi INOUE
  • Publication number: 20200318572
    Abstract: The control apparatus for a compression ignition type engine includes a plurality of cylinder inner pressure sensors that detect pressure in each cylinder, and a combustion control unit. The combustion control unit corrects a target fuel injection amount of each cylinder by an injector based on a deviation between a predicted combustion period that is a period from an ignition timing by an ignition plug to a predetermined mass combustion timing and that is obtained based on a preset combustion model, and an actual combustion period that is a period from the ignition timing by the ignition plug to an actual combustion timing and that is obtained based on cylinder inner pressure, such that the period from the ignition timing by the ignition plug to the predetermined mass combustion timing, which is the timing when fuel having a predetermined mass ratio combusts, is equalized in each cylinder.
    Type: Application
    Filed: March 4, 2020
    Publication date: October 8, 2020
    Inventors: Masanari SUEOKA, Junichi TAGA, Hideki OMORI, Keiji MARUYAMA, Tatsuhiro TOKUNAGA, Takuya OHURA, Toru MIYAMOTO, Tomohiro NISHIDA, Kenji TANIMURA, Shinji TAKAYAMA
  • Publication number: 20200312891
    Abstract: To provide a semiconductor device in which a layer to be peeled is attached to a base having a curved surface, and a method of manufacturing the same, and more particularly, a display having a curved surface, and more specifically a light-emitting device having a light emitting element attached to a base with a curved surface. A layer to be peeled, which contains a light emitting element furnished to a substrate using a laminate of a first material layer which is a metallic layer or nitride layer, and a second material layer which is an oxide layer, is transferred onto a film, and then the film and the layer to be peeled are curved, to thereby produce a display having a curved surface.
    Type: Application
    Filed: April 14, 2020
    Publication date: October 1, 2020
    Inventors: Toru TAKAYAMA, Junya MARUYAMA, Yuugo GOTO, Hideaki KUWABARA, Shunpei YAMAZAKI
  • Publication number: 20200294848
    Abstract: A semiconductor device having a semiconductor element (a thin film transistor, a thin film diode, a photoelectric conversion element of silicon PIN junction, or a silicon resistor element) which is light-weight, flexible (bendable), and thin as a whole is provided as well as a method of manufacturing the semiconductor device. In the present invention, the element is not formed on a plastic film. Instead, a flat board such as a substrate is used as a form, the space between the substrate (third substrate (17)) and a layer including the element (peeled layer (13)) is filled with coagulant (typically an adhesive) that serves as a second bonding member (16), and the substrate used as a form (third substrate (17)) is peeled off after the adhesive is coagulated to hold the layer including the element (peeled layer (13)) by the coagulated adhesive (second bonding member (16)) alone. In this way, the present invention achieves thinning of the film and reduction in weight.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 17, 2020
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Junya Maruyama, Toru Takayama, Yuugo Goto
  • Patent number: 10727437
    Abstract: To realize a high-performance liquid crystal display device or light-emitting element using a plastic film. A CPU is formed over a first glass substrate and then, separated from the first substrate. A pixel portion having a light-emitting element is formed over a second glass substrate, and then, separated from the second substrate. The both are bonded to each other. Therefore, high integration can be achieved. Further, in this case, the separated layer including the CPU serves also as a sealing layer of the light-emitting element.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 28, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toru Takayama, Junya Maruyama, Yumiko Ohno
  • Patent number: 10693097
    Abstract: A first display element includes a first pixel electrode that reflects visible light, a liquid crystal layer, and a first common electrode that transmits visible light. A second display element includes a second pixel electrode that transmits visible light, a light-emitting layer, and a second common electrode that reflects visible light. A separation layer that reflects visible light is formed over a formation substrate, an insulating layer is formed over the separation layer, and the second display element is formed over the insulating layer. The formation substrate and a second substrate are bonded to each other. Then, the formation substrate and the separation layer are separated from each other. The exposed separation layer is processed into the first pixel electrode. The liquid crystal layer is positioned between the first common electrode and the first pixel electrode and a first substrate and the second substrate are bonded to each other.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: June 23, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Seiji Yasumoto, Masataka Sato, Hiroki Adachi, Toru Takayama, Natsuko Takase
  • Patent number: 10680414
    Abstract: A nitride-based light-emitting device includes, on a GaN substrate: a first-conductivity-side first semiconductor layer; an active layer; and a second-conductivity-side first semiconductor layer, in the stated order, and further includes an electron barrier layer of a second conductivity type between the active layer and the second-conductivity-side first semiconductor layer, the electron barrier layer including a nitride-based semiconductor containing at least Al. The electron barrier layer has a first region in which an Al composition changes. The Al composition in the first region monotonically increases in a direction from the active layer to the second-conductivity-side first semiconductor layer. An impurity concentration in the second-conductivity-side first semiconductor layer is lower in a region nearer the electron barrier layer than in a region farther from the electron barrier layer.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: June 9, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toru Takayama, Tougo Nakatani, Takashi Kano, Katsuya Samonji
  • Patent number: 10663317
    Abstract: Provided is a map display system including: a destination acquiring section which acquires a destination specified on a map displayed on the display section; a position acquiring section which acquires a starting position of the map when the destination is specified and an ending position of the map which allows a travel route to be displayed; and a display control section which displays so that the position on the display section gradually moves from the starting position to the ending position, acquires a starting scale of the map when the destination is specified and an ending scale of the map which allows display of the entire proposed travel route, and gradually changes a scale of the map displayed from the starting scale to the ending scale during movement, in which the position of the map displayed gradually moves from the starting position to the ending position.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: May 26, 2020
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinji Takayama, Toru Imai, Kazunori Watanabe
  • Publication number: 20200150471
    Abstract: A structure for preventing deteriorations of a light-emitting device and retaining sufficient capacitor elements (condenser) required by each pixel is provided. A first passivation film, a second metal layer, a flattening film, a barrier film, and a third metal layer are stacked in this order over a transistor. A side face of a first opening provided with the flattening film is covered by the barrier film, a second opening is formed inside the first opening, and a third metal layer is connected to a semiconductor via the first opening and the second opening. A capacitor element that is formed of a lamination of a semiconductor of a transistor, a gate insulating film, a gate electrode, the first passivation film, and the second metal layer is provided.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 14, 2020
    Inventors: Shunpei YAMAZAKI, Toru TAKAYAMA, Satoshi MURAKAMI, Hajime KIMURA
  • Publication number: 20200152673
    Abstract: There is provided a peeling method capable of preventing a damage to a layer to be peeled. Thus, not only a layer to be peeled having a small area but also a layer to be peeled having a large area can be peeled over the entire surface at a high yield. Processing for partially reducing contact property between a first material layer (11) and a second material layer (12) (laser light irradiation, pressure application, or the like) is performed before peeling, and then peeling is conducted by physical means. Therefore, sufficient separation can be easily conducted in an inner portion of the second material layer (12) or an interface thereof.
    Type: Application
    Filed: January 2, 2020
    Publication date: May 14, 2020
    Inventors: Toru Takayama, Junya Maruyama, Shunpei Yamazaki
  • Patent number: 10629637
    Abstract: To provide a semiconductor device in which a layer to be peeled is attached to a base having a curved surface, and a method of manufacturing the same, and more particularly, a display having a curved surface, and more specifically a light-emitting device having a light emitting element attached to a base with a curved surface. A layer to be peeled, which contains a light emitting element furnished to a substrate using a laminate of a first material layer which is a metallic layer or nitride layer, and a second material layer which is an oxide layer, is transferred onto a film, and then the film and the layer to be peeled are curved, to thereby produce a display having a curved surface.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: April 21, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toru Takayama, Junya Maruyama, Yuugo Goto, Hideaki Kuwabara, Shunpei Yamazaki
  • Patent number: 10607883
    Abstract: A semiconductor device having a semiconductor element (a thin film transistor, a thin film diode, a photoelectric conversion element of silicon PIN junction, or a silicon resistor element) which is light-weight, flexible (bendable), and thin as a whole is provided as well as a method of manufacturing the semiconductor device. In the present invention, the element is not formed on a plastic film. Instead, a flat board such as a substrate is used as a form, the space between the substrate (third substrate (17)) and a layer including the element (peeled layer (13)) is filled with coagulant (typically an adhesive) that serves as a second bonding member (16), and the substrate used as a form (third substrate (17)) is peeled off after the adhesive is coagulated to hold the layer including the element (peeled layer (13)) by the coagulated adhesive (second bonding member (16)) alone. In this way, the present invention achieves thinning of the film and reduction in weight.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: March 31, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Junya Maruyama, Toru Takayama, Yuugo Goto