Patents by Inventor Takashi Ohara
Takashi Ohara 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: 20200212184Abstract: A crystalline oxide semiconductor with excellent crystalline qualities that is useful for semiconductors requiring heat dissipation is provided. A crystalline oxide semiconductor including a first crystal axis, a second crystal axis, a first side, and a second side that is shorter than the first side, a linear thermal expansion coefficient of the first crystal axis is smaller than a linear thermal expansion coefficient of the second crystal axis, a direction of the first side is parallel and/or substantially parallel to a direction of the first crystal axis, and a direction of the second side is parallel and/or substantially parallel to a direction of the second crystal axis.Type: ApplicationFiled: December 23, 2019Publication date: July 2, 2020Inventors: Isao TAKAHASHI, Tatsuya TORIYAMA, Masahiro SUGIMOTO, Takashi SHINOHE, Hideyuki UEHIGASHI, Junji OHARA, Fusao HIROSE, Hideo MATSUKI
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Publication number: 20200211919Abstract: A crystalline oxide film with excellent crystalline qualities that is useful for semiconductors requiring heat dissipation is provided. A crystalline oxide film including a first crystal axis, a second crystal axis; a metal oxide as a major component that includes gallium, a first side; and a second side that is shorter than the first side, a linear thermal expansion coefficient of the first crystal axis is smaller than a linear thermal expansion coefficient of the second crystal axis, a direction of the first side is parallel and/or substantially parallel to a direction of the first crystal axis, and a direction of the second side is parallel and/or substantially parallel to a direction of the second crystal axis.Type: ApplicationFiled: December 23, 2019Publication date: July 2, 2020Inventors: Isao TAKAHASHI, Tatsuya TORIYAMA, Masahiro SUGIMOTO, Takashi SHINOHE, Hideyuki UEHIGASH, Junji OHARA, Fusao HIROSE, Hideo MATSUKI
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Publication number: 20200180306Abstract: A printing device prints an object on a medium by inkjet printing. The printing device includes: a glossy ink head that discharges ink droplets of a glossy ink having a glossy color; and a main scan driver that prompts the glossy ink head to perform main scans in which the glossy ink head discharges the ink droplets while moving in a predetermined main scanning direction. The glossy ink contains a glossy pigment. In the main scans, the glossy ink head discharges the ink droplets plural times while moving in the main scanning direction to form ink dots at positions on the medium aligned in the main scanning direction. The ink droplets discharged from the glossy ink head each have a volume constituting a size that allows for contact on the medium between any ones of dots formed in each one of the main scans.Type: ApplicationFiled: February 19, 2020Publication date: June 11, 2020Applicant: MIMAKI ENGINEERING CO., LTD.Inventors: TAKASHI NAMIKI, Kazuhiro OCHI, Eiichi OHARA, Sota MACHII
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Publication number: 20200135396Abstract: A ceramic electronic component includes a stack including ceramic layers and internal electrodes stacked alternately, and external electrodes provided on a surface of the stack and electrically connected to the internal electrodes. The internal electrodes include a melting trigger portion that melts earlier than any other portion. The ceramic layer adjacent to the internal electrode including the melting trigger portion includes a cavity. The cavity is provided at a position at which the cavity overlaps the melting trigger portion at least partially in a stacking direction of the internal electrodes. The cavity is open on a melting trigger portion side. A surface of at least one of the stack and the external electrodes is provided with an identifier that serves as a marker indicating use of the ceramic electronic component with the cavity vertically below the melting trigger portion.Type: ApplicationFiled: October 29, 2019Publication date: April 30, 2020Inventors: Takahiro HIRAO, Takashi OHARA, Shu HAMADA
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Patent number: 10596805Abstract: A printing device prints an object on a medium by inkjet printing. The printing device includes: a solid print nozzle discharging solid-color printing ink; a color printing nozzle discharging color printing ink; and a main scan driver prompting the nozzles to perform main scans in which the nozzles discharge the ink droplets while moving in a main scanning direction previously set, wherein with a density of ink dots formed on the medium by one nozzle in a preset number of the main scans being defined as a main scan dot density, the main scan driver prompting the solid print nozzle to form ink dots at a first main scan dot density, the main scan driver further prompting the color printing nozzle to form ink dots at a second main scan dot density lower than the first main scan dot density.Type: GrantFiled: January 28, 2019Date of Patent: March 24, 2020Assignee: MIMAKI ENGINEERING CO., LTD.Inventors: Takashi Namiki, Kazuhiro Ochi, Eiichi Ohara, Sota Machii
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Patent number: 10418180Abstract: In an electronic component, a first outer electrode includes a first conductive layer provided on a first end surface. A second outer electrode includes a second conductive layer provided on a second end surface. A first inner electrode passes through the first conductive layer. A second inner electrode passes through the second conductive layer.Type: GrantFiled: March 7, 2017Date of Patent: September 17, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Tomohiro Kageyama, Tetsuo Kawakami, Manabu Sakai, Takashi Ohara, Takahiro Hirao, Ryuki Kakuta
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Patent number: 10416160Abstract: The present invention provides use of KLRG1 as a marker specific to memory invariant NKT cells. Using an antibody that specifically recognizes KLRG1, memory invariant NKT cells can be easily detected or isolated.Type: GrantFiled: July 24, 2015Date of Patent: September 17, 2019Assignee: RIKENInventors: Shin-ichiro Fujii, Kanako Shimizu, Osamu Ohara, Takashi Watanabe
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Publication number: 20190279839Abstract: A vacuum connection mechanism includes: a main body part having a first opening and a first sub opening opened symmetrically in a first direction, and a second opening and a second sub opening opened symmetrically in a second direction; a first bellows connected to the first opening and to the end of which a first flange is provided; a first sub bellows connected to the first sub opening and to the end of which a first blind flange is provided; a first supporting member coupling the first flange and the first blind flange; a second bellows connected to the second opening and to the end of which a second flange is provided; a second sub bellows connected to the second sub opening and to the end of which a second blind flange is provided; and a second supporting member coupling the second flange and the second blind flange.Type: ApplicationFiled: February 27, 2019Publication date: September 12, 2019Inventors: Takashi OHARA, Tsutomu KARIMATA
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Publication number: 20190152220Abstract: A printing device prints an object on a medium by inkjet printing. The printing device includes: a solid print nozzle discharging solid-color printing ink; a color printing nozzle discharging color printing ink; and a main scan driver prompting the nozzles to perform main scans in which the nozzles discharge the ink droplets while moving in a main scanning direction previously set, wherein with a density of ink dots formed on the medium by one nozzle in a preset number of the main scans being defined as a main scan dot density, the main scan driver prompting the solid print nozzle to form ink dots at a first main scan dot density, the main scan driver further prompting the color printing nozzle to form ink dots at a second main scan dot density lower than the first main scan dot density.Type: ApplicationFiled: January 28, 2019Publication date: May 23, 2019Applicant: MIMAKI ENGINEERING CO., LTD.Inventors: TAKASHI NAMIKI, KAZUHIRO OCHI, EIICHI OHARA, SOTA MACHII
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Publication number: 20180137976Abstract: An electronic component includes a first external electrode disposed on a first end surface and a second external electrode disposed on a second end surface. The first external electrode includes a first conductive layer including ceramic particles. The second external electrode includes a second conductive layer including ceramic particles. An end portion of a first internal electrode is located inside the first conductive layer. The electronic component includes little or no cracks and has a low equivalent series resistance (ESR).Type: ApplicationFiled: November 13, 2017Publication date: May 17, 2018Inventors: Tomohiro KAGEYAMA, Tetsuo KAWAKAMI, Manabu SAKAI, Ryuki KAKUTA, Takahiro HIRAO, Takashi OHARA
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Publication number: 20170263383Abstract: In an electronic component, a first outer electrode includes a first conductive layer provided on a first end surface. A second outer electrode includes a second conductive layer provided on a second end surface. A first inner electrode passes through the first conductive layer. A second inner electrode passes through the second conductive layer.Type: ApplicationFiled: March 7, 2017Publication date: September 14, 2017Inventors: Tomohiro KAGEYAMA, Tetsuo KAWAKAMI, Manabu SAKAI, Takashi OHARA, Takahiro HIRAO, Ryuki KAKUTA
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Patent number: 9711685Abstract: A sapphire substrate provided with a plurality of projections on a principal surface on which a nitride semiconductor is grown to form a nitride semiconductor light emitting element. The projections have a substantially triangular pyramidal-shape the projections having a plurality of side surfaces and a pointed top. The side surfaces have an inclination angle of between 53° and 59° from a bottom of the projections. The side surfaces are crystal-growth-suppressed surfaces on which a growth of the nitride semiconductor is suppressed relative to a portion of the principal surface located between adjacent projections. A bottom of the projections has a substantially triangular shape having three outwardly curved arc-shaped sides, and each of the side surfaces has a substantially triangular shape having vertexes located at the top of the projection and at both ends of a respective side of the bottom of the projection.Type: GrantFiled: April 11, 2016Date of Patent: July 18, 2017Assignee: NICHIA CORPORATIONInventors: Naoya Sako, Takashi Ohara, Yoshiki Inoue, Yuki Shibutani, Yoshihito Kawauchi, Kazuyuki Takeichi, Yasunori Nagahama
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Publication number: 20160300982Abstract: A sapphire substrate provided with a plurality of projections on a principal surface on which a nitride semiconductor is grown to form a nitride semiconductor light emitting element. The projections have a substantially triangular pyramidal-shape the projections having a plurality of side surfaces and a pointed top. The side surfaces have an inclination angle of between 53° and 59° from a bottom of the projections. The side surfaces are crystal-growth-suppressed surfaces on which a growth of the nitride semiconductor is suppressed relative to a portion of the principal surface located between adjacent projections. A bottom of the projections has a substantially triangular shape having three outwardly curved arc-shaped sides, and each of the side surfaces has a substantially triangular shape having vertexes located at the top of the projection and at both ends of a respective side of the bottom of the projection.Type: ApplicationFiled: April 11, 2016Publication date: October 13, 2016Applicant: NICHIA CORPORATIONInventors: Naoya SAKO, Takashi OHARA, Yoshiki INOUE, Yuki SHIBUTANI, Yoshihito KAWAUCHI, Kazuyuki TAKEICHI, Yasunori NAGAHAMA
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Patent number: 9337390Abstract: A method for manufacturing a sapphire substrate in which a plurality of projections are formed on a C-plane of the sapphire substrate by etching, includes: forming a patterned etching mask on the C-plane of the sapphire substrate; etching the sapphire substrate until the projections are formed, wherein each of the projections formed by the etching has a substantially triangular pyramidal-shape and has a plurality of side surfaces, a pointed top and a bottom, wherein the bottom of each of the projections has a substantially triangular shape having three outwardly curved arc-shaped sides. The projections are arranged on vertexes of a triangular lattice, and an orientation of the bottom of the projections conforms with an orientation that is rotated by about 30 degrees from an orientation of a triangle of the triangular lattice; and removing the etching mask from the sapphire substrate.Type: GrantFiled: January 9, 2015Date of Patent: May 10, 2016Assignee: NICHIA CORPORATIONInventors: Naoya Sako, Takashi Ohara, Yoshiki Inoue, Yuki Shibutani, Yoshihito Kawauchi, Kazuyuki Takeichi, Yasunori Nagahama
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Publication number: 20150115307Abstract: [Technical Problem] A sapphire substrate and a method for manufacturing the same are provided, which enables growth of a nitride semiconductor having excellent crystallinity and can achieve a nitride semiconductor light emitting element having excellent light extraction efficiency. [Solution to Problem] A sapphire substrate provided with a plurality of projections on a principal surface on which a nitride semiconductor is grown to form a nitride semiconductor light emitting element, wherein the projection is substantially pyramidal-shaped having a pointed top and constituted by a plurality of side surfaces, wherein the side surface has an inclined angle of between 53° and 59° from a bottom surface of the projection, and wherein the side surface is crystal-growth-suppressed surface on which growth of nitride semiconductor is suppressed relative to the substrate surface located between the adjacent projections.Type: ApplicationFiled: January 9, 2015Publication date: April 30, 2015Inventors: Naoya SAKO, Takashi Ohara, Yoshiki Inoue, Yuki Shibutani, Yoshihito Kawauchi, Kazuyuki Takeichi, Yasunori Nagahama
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Patent number: 8957433Abstract: A sapphire substrate provided with a plurality of projections on a principal surface on which a nitride semiconductor is grown to form a nitride semiconductor light emitting element. The projections have a substantially triangular pyramidal-shape the projections having a plurality of side surfaces and a pointed top. The side surfaces have an inclination angle of between 53° and 59° from a bottom of the projections. The side surfaces are crystal-growth suppressed surfaces on which a growth of the nitride semiconductor is suppressed relative to a portion of the principal surface located between adjacent projections. A bottom of the projections has a substantially triangular shape having three outwardly curved arc-shaped sides, and each of the side surfaces has a substantially triangular shape having vertexes located at the top of the projection and at both ends of a respective side of the bottom of the projection.Type: GrantFiled: March 14, 2013Date of Patent: February 17, 2015Assignee: Nichia CorporationInventors: Naoya Sako, Takashi Ohara, Yoshiki Inoue, Yuki Shibutani, Yoshihito Kawauchi, Kazuyuki Takeichi, Yasunori Nagahama
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Patent number: 8927951Abstract: A target supply device may include a tank having a nozzle, a first electrode provided with a first through-hole, a second electrode provided with a second through-hole, a third electrode disposed within the tank, an anchoring portion configured to anchor the first electrode and the second electrode to the tank so that insulation among the nozzle, the first electrode, and the second electrode is maintained, and so that a center axis of the nozzle is positioned within the first through-hole and the second through-hole, a first projecting portion that is an integrated part of at least one of the first electrode and the second electrode and that is configured to project toward the nozzle, and a second projecting portion that is an integrated part of at least the second electrode and that is configured to project so as to be positioned between the first electrode and the second electrode.Type: GrantFiled: November 19, 2013Date of Patent: January 6, 2015Assignee: Gigaphoton Inc.Inventors: Hiroshi Umeda, Takashi Ohara, Osamu Wakabayashi
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Patent number: 8764533Abstract: Spotlight information that contains at least coordinate information indicating a coordinate at which an object is positioned is generated in accordance with a selection operation for selecting the object. A spotlight screen, including a spotlight illuminating region for receiving an operation input and a darkened region for receiving a request to cancel the selection operation, is displayed in accordance with the generated spotlight information. The received selection operation is determined in a case where a selection of the spotlight illuminating region is received. A predetermined region having its center at a coordinate at which the object is positioned is determined as the spotlight illuminating region. A predetermined region including a coordinate on which an object, for which the selection operation is not received, exists is determined as the darkened region in a case where there is the object within the spotlight illuminating region.Type: GrantFiled: November 29, 2010Date of Patent: July 1, 2014Assignee: Kabushiki Kaisha Square EnixInventors: Takashi Ohara, Hisatoshi Ohno, Takehiro Ando, Hidetoshi Aoyagi
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Publication number: 20140138561Abstract: A target supply device may include a tank having a nozzle, a first electrode provided with a first through-hole, a second electrode provided with a second through-hole, a third electrode disposed within the tank, an anchoring portion configured to anchor the first electrode and the second electrode to the tank so that insulation among the nozzle, the first electrode, and the second electrode is maintained, and so that a center axis of the nozzle is positioned within the first through-hole and the second through-hole, a first projecting portion that is an integrated part of at least one of the first electrode and the second electrode and that is configured to project toward the nozzle, and a second projecting portion that is an integrated part of at least the second electrode and that is configured to project so as to be positioned between the first electrode and the second electrode.Type: ApplicationFiled: November 19, 2013Publication date: May 22, 2014Applicant: GIGAPHOTON INC.Inventors: Hiroshi UMEDA, Takashi OHARA, Osamu WAKABAYASHI
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Patent number: 8696350Abstract: A heat treating furnace capable of continuously performing binder removal and subsequent firing without requiring a complicated configuration and increasing the equipment size and cost, for example, for degreasing a ceramic molding which is to be fired in a process for manufacturing a ceramic electronic component. A heat insulator is disposed to surround a heat treatment region in a case, and a reflector is disposed between the inner wall of the case and the insulator in order to reflect heat transferred from the heat treatment region through the heat insulator. A module heater including a heater embedded in the insulator is used. As the reflector, there is used a reflector having a structure in which a plurality of thin plates is arranged so that the main surfaces are arranged in parallel to each other with a predetermined space between the adjacent main surfaces.Type: GrantFiled: September 23, 2008Date of Patent: April 15, 2014Assignee: Murata Manufaturing Co., Ltd.Inventor: Takashi Ohara