Patents by Inventor Takashi Fukui
Takashi Fukui 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: 8545007Abstract: An image forming apparatus includes: a conveyance drum which has a round cylindrical shape including an outer circumferential surface having a medium holding section, and rotates in a prescribed direction while holding a medium in tight contact on the medium holding section so as to convey the medium in a circumferential direction; a pressing device which presses the medium against the medium holding section so as to establish tight contact between the medium and the medium holding section, when causing the medium to make tight contact with the medium holding section; a holding force generating device which generates a holding force that holds the medium on the medium holding section; and a liquid ejection head which ejects a liquid onto the medium held on the medium holding section, wherein: the conveyance drum has a level difference section which is provided on at least one side, in an axial direction of the conveyance drum, with respect to a central portion in the axial direction of the conveyance drum, thType: GrantFiled: July 20, 2011Date of Patent: October 1, 2013Assignee: FUJIFILM CorporationInventor: Takashi Fukui
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Patent number: 8519378Abstract: Semiconductor surface emitting elements having a plurality of wavelengths being manufactured on a signal substrate through MOVPE selective growth. More specifically, provided is a semiconductor light emitting element array which comprises; a semiconductor crystal substrate; an insulating film disposed on a surface of the substrate, the insulating film being divided into two or more regions, each of which having two or more openings exposing the surface of the substrate; semiconductor rods extending from the surface of the substrate upward through the openings, the semiconductor rods each having an n-type semiconductor layer and a p-type semiconductor layer being laminated in its extending direction, thereby providing a p-n junction; a first electrode connected to the semiconductor crystal substrate; and a second electrode connected to upper portions of the semiconductor rods; wherein the heights of the semiconductor rods as measured from the substrate surface vary by each of the two or more regions.Type: GrantFiled: October 17, 2008Date of Patent: August 27, 2013Assignees: National University Corporation Hokkaido University, Sharp Kabushiki KaishaInventors: Kenji Hiruma, Shinjiro Hara, Junichi Motohisa, Takashi Fukui
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Patent number: 8480777Abstract: An extension piece portion is provided at a lower end portion of a screen plate so as to extend from the lower end portion, beyond a gas-passing through hole, to an oil pocket portion. An oil guide portion is provided at respective gas-hitting-side face portions of the screen plate and the extension piece portion so as to guide oil trapped at the above-described face portions into the oil pocket portion. Accordingly, it can be prevented that part of the oil in the middle of dropping down into the oil pocket portion from the screen plate is carried away by the gas flow passing through the gas-passing through hole, so that the efficiency of oil trap can be improved.Type: GrantFiled: June 16, 2011Date of Patent: July 9, 2013Assignee: Mazda Motor CorporationInventors: Takahiro Sakaguchi, Shigemi Okada, Tokio Kagawa, Jun Yamane, Naoki Suizu, Suguru Fukui, Toshinobu Mori, Yusuke Nakata, Takashi Fukui
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Patent number: 8469507Abstract: A medium holding apparatus includes: a medium holding conveyance device which has a plurality of suction grooves for suctioning a sheet-shaped medium, and conveys the medium in a prescribed direction while holding the medium on a medium holding surface; and a suction pressure generating device which is connected to the plurality of suction grooves, and generates suction pressure in each of the suction grooves, wherein: the plurality of suction grooves include a leading end suction groove provided at a position where a leading end region of the medium is held, and the leading end suction groove has a structure so as to be separated from other suction grooves of the plurality of suction grooves, and is connected to the suction pressure generating device via a flow channel which is not connected to the other suction grooves.Type: GrantFiled: July 30, 2010Date of Patent: June 25, 2013Assignee: FUJIFILM CorporationInventor: Takashi Fukui
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Publication number: 20130027484Abstract: An aspect of the present invention provides an inkjet recording apparatus, including: an image recording section which records an image on a front surface of a cut sheet recording medium by an inkjet method using an aqueous ink; a chain gripper which receives the recording medium, on the front surface of which an image has been recorded, from the image recording section, and conveys the recording medium by gripping a leading end of the received recording medium; and a drying processing section which carries out a drying process on the recording medium conveyed by the chain gripper.Type: ApplicationFiled: July 17, 2012Publication date: January 31, 2013Inventor: Takashi FUKUI
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Publication number: 20120313078Abstract: Disclosed is a semiconductor device (10) which comprises a glass substrate (12), a lower electrode layer (14), an n-type doped polycrystalline silicon semiconductor layer (16), a low-temperature insulating film (20) in which openings (22, 23) that serve as nuclei for growth of a nanowire (32) are formed, the nanowire (32) that is grown over the low-temperature insulating film (20) and has a core-shell structure, an insulating layer (50) that surrounds the nanowire (32), and an upper electrode layer (52). The nanowire (32) comprises an n-type GaAs core layer and a p-type GaAs shell layer. Alternatively, the nanowire can be formed as a nanowire having a quantum well structure, and InAs that can allow reduction of the process temperature can be used for the nanowire.Type: ApplicationFiled: February 23, 2011Publication date: December 13, 2012Inventors: Takashi Fukui, Katsuhiro Tomioka, Junichi Motohisa, Shinjiroh Hara
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Publication number: 20120301523Abstract: A cosmetic composition in the form of a W/O emulsion includes: (A) 1 to 20% by weight of a plate-like powder which has been surface-treated with an alkylalkoxysilane; (B) 0.1 to 10% by weight of an oil that is solid at temperature of 25° C.; (C) 0.5 to 60% by weight of an oil selected from the group consisting of a hydrocarbon oil, an ester oil, and an ether oil, having a viscosity at 25° C. of 500,000 mPa·s or less; and (D) water, wherein a weight ratio of the component (B) to the component (A), (B)/(A), is 0.01 to 5.Type: ApplicationFiled: May 25, 2012Publication date: November 29, 2012Applicant: KAO CORPORATIONInventors: Takashi FUKUI, Takashi KAWATA, Mio ISHITA
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Publication number: 20120294912Abstract: A cosmetic composition in the form of an O/W emulsion includes: (A) 1 to 20% by weight of a plate-like powder that has been surface-treated with an alkylalkoxysilane, (B) 0.1 to 10% by weight of an oil that is solid at a temperature of 25° C., (C) 0.3 to 50% by weight of an oil selected from the group consisting of a hydrocarbon oil, an ester oil, and an ether oil, each having a viscosity of 500,000 mPa·s or less at a temperature of 25° C., (D) 0.1 to 20% by weight of a nonionic surfactant having an HLB value of 8 or less, (E) 0.05 to 10% by weight of a water-soluble polymer having a hydrocarbon group with a carbon number of 8 to 30 and an anionic group in a molecule thereof, and (F) water.Type: ApplicationFiled: May 25, 2012Publication date: November 22, 2012Applicant: KAO CORPORATIONInventors: Takashi Fukui, Takashi Kawata
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Patent number: 8308288Abstract: The medium holding apparatus includes: a medium holding device having a plurality of suction grooves through which a sheet-shaped medium is held by suction; and a suction pressure generating device which is connected to the suction grooves and generates a suction pressure in each of the suction grooves, wherein the suction pressure in one of the suction grooves that holds a first end portion of the sheet-shaped medium is made stronger than the suction pressure in one of the suction grooves that holds a central portion of the sheet-shaped medium.Type: GrantFiled: January 5, 2010Date of Patent: November 13, 2012Assignee: Fujifilm CorporationInventor: Takashi Fukui
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Publication number: 20120251603Abstract: Provided is an oil-in-water emulsified cosmetic composition having a high UV-protective effect and also having an excellent long-term stability and an excellent feeling upon application. The oil-in-water emulsified cosmetic composition is characterized by containing a zinc oxide powder (A) having an average particle diameter of 0.1 to 1 ?m, an average particle thickness of 0.01 to 0.2 ?m, and an average aspect ratio of 3 or more and a polymer (B) selected from the group consisting of a polyacrylamide compound, a polyacrylic acid, and salts thereof.Type: ApplicationFiled: November 4, 2010Publication date: October 4, 2012Applicant: KAO CORPORATIONInventors: Kenichi Yamada, Hideki Kodashima, Takashi Fukui
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Publication number: 20120235117Abstract: Disclosed is a light emitting element, which emits light with small power consumption and high luminance. The light emitting element has: a IV semiconductor substrate; two or more core multi-shell nanowires disposed on the IV semiconductor substrate; a first electrode connected to the IV semiconductor substrate; and a second electrode, which covers the side surfaces of the core multi-shell nanowires, and which is connected to the side surfaces of the core multi-shell nanowires. Each of the core multi-shell nanowires has: a center nanowire composed of a first conductivity type III-V compound semiconductor; a first barrier layer composed of the first conductivity type III-V compound semiconductor; a quantum well layer composed of a III-V compound semiconductor; a second barrier layer composed of a second conductivity type III-V compound semiconductor; and a capping layer composed of a second conductivity type III-V compound semiconductor.Type: ApplicationFiled: June 4, 2010Publication date: September 20, 2012Applicant: National University Corporation Hokkaido UniversityInventors: Takashi Fukui, Katsuhiro Tomioka
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Publication number: 20120219608Abstract: Provided is an emulsified cosmetic composition having an excellent UV-protective effect, an excellent transparent feeling, an excellent feeling upon application, and an excellent long-term stability. The emulsified cosmetic composition is characterized by containing a powder which is produced by subjecting a zinc oxide powder (A) having an average particle diameter of 0.1 to 1 ?m, an average particle thickness of 0.01 to 0.2 ?m, and an average aspect ratio of 3 or more to surface treatment with a silane or silazane compound having a C1-20 alkyl or fluoroalkyl group and having reactivity with an inorganic oxide.Type: ApplicationFiled: November 5, 2010Publication date: August 30, 2012Applicant: KAO CORPORATIONInventors: Kenichi Yamada, Takashi Fukui, Yasushi Haryu
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Publication number: 20120187376Abstract: A tunnel field effect transistor is capable of operating at a low subthreshold and is able to be manufactured easily. The tunnel field effect transistor includes a group IV semiconductor substrate having a (111) surface and doped so as to have a first conductivity type, a group III-V compound semiconductor nanowire arranged on the (111) surface and containing a first region connected to the (111) surface and a second region doped so as to have a second conductivity type, a source electrode connected to the group IV semiconductor substrate; a drain electrode connected to the second region, and a gate electrode for applying an electric field to an interface between the (111) surface and the group III-V compound semiconductor nanowire, or an interface between the first region and the second region.Type: ApplicationFiled: September 29, 2010Publication date: July 26, 2012Inventors: Katsuhiro Tomioka, Takashi Fukui, Tomotaka Tanaka
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Patent number: 8226197Abstract: The inkjet recording apparatus includes: an image formation drum which is rotatable in a prescribed rotational direction and includes a front supporting body and a rear supporting body, outer circumferential surfaces of the front and rear supporting bodies constituting a medium supporting surface on which a recording medium is held, the front supporting body having a leading end holding device capable of holding a leading end portion of the recording medium by gripping, the rear supporting body having a trailing end holding device capable of holding a trailing end portion of the recording medium by suction, the front and rear supporting bodies mutually engaging in a circumferential direction of the image formation drum in a state where a length of the medium supporting surface in the circumferential direction is adjustable in accordance with a length of the recording medium in the circumferential direction; an ink ejection device which is disposed at a position opposing an outer circumferential surface of theType: GrantFiled: December 24, 2009Date of Patent: July 24, 2012Assignee: Fujifilm CorporationInventor: Takashi Fukui
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Patent number: 8177349Abstract: The image forming apparatus includes: an image forming device which forms an image on a recording medium; a transparent UV ink droplet ejection device which ejects and deposits droplets of transparent UV ink onto the recording medium; a UV light irradiation device which irradiates UV light onto the transparent UV ink having been deposited on the recording medium; a gloss condition setting device which sets a gloss condition of the image; and a UV light irradiation control device which controls an irradiation timing of the UV light irradiated from the UV light irradiation device in accordance with the gloss condition.Type: GrantFiled: March 3, 2009Date of Patent: May 15, 2012Assignee: Fujifilm CorporationInventor: Takashi Fukui
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Patent number: 8177231Abstract: A conveying body that can attract and peel-off a recording medium by a simple mechanism, and an image forming device using the conveying body are provided. One end portions of through-holes of a drum are blocked by a blocking member, and a suction member and a blowing-out member are provided at other end portions of the through-holes. Due to a suction pump being operated and suction force being generated within the through-holes via a suction port of the suction member, the suction force passes through the through-holes and acts on long grooves of an outer peripheral surface of the drum, and a sheet can be attracted reliably to the outer peripheral surface of the drum. Further, because air is blown-out from the blowing-out member by operation of the suction pump, a leading end portion of a sheet can be reliably peeled-off from the outer peripheral surface of the drum.Type: GrantFiled: March 27, 2009Date of Patent: May 15, 2012Assignee: Fujifilm CorporationInventors: Takashi Fukui, Tatsuya Nitta
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Publication number: 20120113186Abstract: Provided are a coating device and an ink jet recording apparatus which are capable of stably coating process liquid in a good state. In a coating device that draws up process liquid reserved in a process liquid vessel by a drawing-up roller to supply the process liquid to a coating roller, the inside of the process liquid vessel is divided into a reservoir and a recovery chamber by a partition plate, and the process liquid is circulated and supplied so as to always overflow to the recovery chamber side. Thereby, the liquid level thereof can be always maintained constant, and the process liquid can be stably coated. In addition, since the process liquid is circulated and supplied, the liquid concentration and the liquid temperature can be easily controlled.Type: ApplicationFiled: November 9, 2011Publication date: May 10, 2012Applicant: FUJIFILM CORPORATIONInventors: Takashi FUKUI, Kouki NOMURA
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Patent number: 8172391Abstract: The image forming apparatus includes: a holding and conveyance device which has a round cylindrical shape and is rotatable about a rotational axis, the holding and conveyance device conveying a recording medium in a prescribed conveyance direction by rotating about the rotational axis while holding the recording medium on an outer circumferential surface of the holding and conveyance device, the holding and conveyance device having a recess section arranged in a direction parallel to the rotational axis at a prescribed position on the outer circumferential surface of the holding and conveyance device; an end portion holding member which is arranged in the recess section and has an end portion holding surface by which at least one of a leading end portion and a trailing end portion of the recording medium held on the outer circumferential surface is held to an inner side relative to an image forming surface of the recording medium held on the outer circumferential surface; and an image forming device which forType: GrantFiled: May 19, 2009Date of Patent: May 8, 2012Assignee: FujiFilm CorporationInventor: Takashi Fukui
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Patent number: 8162427Abstract: The image forming apparatus includes: a recording medium conveyance device which includes air flow channels and a recording medium holding region on which a recording medium is held, a surface of the recording medium holding region having openings in connection with the air flow channels, the recording medium conveyance device conveying the recording medium in a prescribed conveyance direction while holding the recording medium on the recording medium holding region by suction; a suction device which performs air suction through the openings to perform holding of the recording medium on the recording medium holding region by suction when the recording medium is disposed on the recording medium holding region; an image forming device which performs image formation onto the recording medium held on the recording medium holding region by the suction device; a discharging device which performs air discharge through the openings when no recording medium is disposed on the recording medium holding region; and an aiType: GrantFiled: May 12, 2009Date of Patent: April 24, 2012Assignee: FujiFilm CorporationInventor: Takashi Fukui
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Publication number: 20120050373Abstract: A recording medium lift detection apparatus for detecting a lift of a recording medium that is conveyed on a predetermined conveyance surface along a predetermined conveyance path, includes: a light projection/receiving, a light projection parallel flat plate, a light projection turning device, a control device and a recording medium lift detection control device.Type: ApplicationFiled: August 30, 2011Publication date: March 1, 2012Inventors: Yutaka Korogi, Takashi Fukui