Patents by Inventor Yukio Nakamura
Yukio 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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Patent number: 8421710Abstract: A light source apparatus emits light image information. A reflective layer is formed on a planarization film formed on a metal substrate. LED thin films are arranged in a matrix having columns extending in first directions and rows extending in second directions perpendicular to the first directions, the LED thin films being bonded to the reflective layer by means of intermolecular force. First wires are connected to first electrodes of the LED thin films. Second wires are connected to second electrodes of the LED thin films. A first driver circuit selectively electrically drives the LED thin films, arranged in the rows, via the plurality of first wires. A second driver circuit selectively electrically drives the LED thin films, arranged in the rows, via the plurality of second wires.Type: GrantFiled: January 25, 2010Date of Patent: April 16, 2013Assignee: Oki Data CorporationInventors: Yukio Nakamura, Hiroshi Toyama
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Patent number: 8347929Abstract: It is an object of the present invention to provide a multi-piece rim which does not need much labor for supporting, and does not increase the number of components to be managed and the number of needed tasks. The present invention constructs a lock ring (40) to be fitted in the groove (11a) of a gutter band (11), which ring is divided in a plurality of portions (41, 42) being coupled at each end (41a, 42a) thereof by a flexible coupling member (43). Alternatively, a lock ring (140) is formed into a substantially C-shape being manufactured by cutting a part of a circular ring, and comprises a first portion (141) wherein a length of a chord at the cut portion is substantially equal to the diametral of a hub, and a second portion (142) having a shape corresponding to the cut portion of a circular ring in the first portion.Type: GrantFiled: February 8, 2008Date of Patent: January 8, 2013Assignee: Topy Kogyo Kabushiki KaishaInventors: Kentaro Oba, Yukio Nakamura, Yoshiyuki Higashino
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Patent number: 8235449Abstract: A roof is split into plural parts, a front roof and a rear roof. A roof-storage space is formed between a passenger's seat and a rear bulkhead which forms a rear end of a vehicle compartment, in which the roof is stored when the roof is open. There is provided a support mechanism which substantially horizontally supports the roof which is stored in the roof-storage space so that an upper space of the roof-storage space between the passenger's seat and the bulkhead is covered with only one of the plural parts of the roof.Type: GrantFiled: December 11, 2009Date of Patent: August 7, 2012Assignee: Mazda Motor CorporationInventors: Satoru Hashimoto, Shigeyuki Mori, Yukio Nakamura
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Patent number: 8023070Abstract: A backlight device includes a first substrate having optical transparency and having first and second surfaces opposite to each other. An LED thin-film is fixed to the first surface of the first substrate. An anode electrode and a cathode electrode are formed on the LED thin-film. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film to emit light. An anode wiring and a cathode wiring are provided on the first surface of the first substrate. A second substrate has optical transparency, and has first and second surfaces opposite to each other. The second surface of the second substrate faces the first surface of the first substrate. A reflection film is provided on the first surface of the second substrate. A light diffusion plate is provided so as to face the second surface of the first substrate and has a function to diffuse incident light.Type: GrantFiled: December 22, 2008Date of Patent: September 20, 2011Assignee: Oki Data CorporationInventors: Hiroshi Toyama, Yukio Nakamura
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Patent number: 8013952Abstract: A backlight device includes a first substrate having optical transparency and having a first surface and a second surface. An LED thin-film is fixed to the first surface of the first substrate. The LED thin-film is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode and a cathode electrode are formed on the LED thin-film. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film. An anode wiring is provided for connecting the anode driver IC and the anode electrode, and a cathode wiring is provided for connecting the cathode driver IC and the cathode electrode. A second substrate has optical transparency and having a function to diffuse incident light. The second substrate is provided so as to face the second surface of the first substrate.Type: GrantFiled: December 22, 2008Date of Patent: September 6, 2011Assignee: Oki Data CorporationInventors: Hiroshi Toyama, Yukio Nakamura
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Publication number: 20110095575Abstract: A roof member comprises a front roof and a rear roof which are connected to each other, at least one of which is made of a board-shaped hard roof member. A grip (i.e., an operational member) to be gripped by a passenger is provided at a specified position of the front roof so as to transmit an opening-operational force or closing-operation force by the passenger to the roof member. A guide shaft (i.e., a moving mechanism) is provided to position the grip such that the grip is movable relatively to the roof member. Accordingly, a movable roof structure of a vehicle which can properly improve the operation and handling and decrease the operational force with a simple and light mechanism can be provided.Type: ApplicationFiled: October 14, 2010Publication date: April 28, 2011Applicant: MAZDA MOTOR CORPORATIONInventors: Satoru HASHIMOTO, Yukio NAKAMURA, Shigeyuki MORI, Isao TODA
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Patent number: 7931332Abstract: Disclosed is a rear-seat occupant protection apparatus, which is designed to protect, during a frontal collision of a vehicle, a rear-seat occupant (B) seated in a rear seat (5) located behind a front seat (3) equipped with a seat belt (7) having a load limiter function. The rear-seat occupant protection apparatus comprises a collision detection device (25) adapted to detect the frontal collision of the vehicle, and a seat-back displacing mechanism adapted, when the frontal collision of the vehicle is detected by the collision detection device, to permit a seat back (12) of the front seat (3) to be displaced frontwardly at a given timing consecutive with a frontward displacement of a front-seat occupant (A) seated in the front seat (3). The rear-seat occupant protection apparatus of the present invention can adequately protect a head of the rear-seat occupant during the frontal collision of the vehicle.Type: GrantFiled: November 26, 2008Date of Patent: April 26, 2011Assignee: Mazda Motor CorporationInventors: Yasuyuki Andou, Kouichi Nakano, Shiro Nakatani, Yukio Nakamura
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Patent number: 7901088Abstract: A projection display apparatus includes an image forming section that forms an image based on image information received from an external device, and a projection lens that projects the image formed by the image forming section. The projection display apparatus includes a substrate, a plurality of light emitting elements, a first driver and a second driver. The light emitting elements are two-dimensionally arranged on the substrate. The light emitting elements include rows of light emitting elements and columns of light emitting elements such that the rows are substantially perpendicular to the columns. The first driver element selectively drives the rows. The second driver element selectively drives the columns. The plurality of light emitting elements include three groups of light emitting elements aligned either in the rows or in the columns, each group emitting light of a different wavelength from the remaining groups.Type: GrantFiled: August 27, 2007Date of Patent: March 8, 2011Assignees: Oki Data Corporation, Oki Electric Industry Co., Ltd.Inventors: Yukio Nakamura, Mitsuhiko Ogihara, Katsuyuki Ito, Takashi Ushikubo
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Patent number: 7884371Abstract: A backlight device includes a first substrate, and an LED thin-film layered structure (epitaxially grown inorganic material layers) fixed to a surface of the first substrate. An anode electrode and a cathode electrode are formed on the LED thin-film layered structure. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film layered structure. A wiring structure electrically connects the anode driver IC and the anode electrode of the LED thin-film layered structure, and electrically connects the cathode driver IC and the cathode electrode of the LED thin-film layered structure. A second substrate has an optical transparency and is disposed to face the surface of the first substrate on which the LED thin-film layered structure is formed. A phosphor is formed on a surface of the second substrate facing the first substrate and is disposed on a position corresponding to the LED thin-film layered structure.Type: GrantFiled: February 28, 2008Date of Patent: February 8, 2011Assignee: Oki Data CorporationInventors: Hiroshi Toyama, Yukio Nakamura
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Patent number: 7884374Abstract: An LED backlight device includes a substrate having an optical transparency and an LED thin-film layered structure fixed to a first surface of the substrate. The LED thin-film layered structure is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode and a cathode electrode are formed on the LED thin-film layered structure. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film layered structure. A wiring structure electrically connects the anode driver IC and the anode electrode of the LED thin-film layered structure and electrically connects the cathode driver IC and the cathode electrode of the LED thin-film layered structure. A phosphor is formed on the second surface of the substrate opposite to the first surface.Type: GrantFiled: February 28, 2008Date of Patent: February 8, 2011Assignee: Oki Data CorporationInventors: Hiroshi Toyama, Yukio Nakamura
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Publication number: 20110023278Abstract: It is intended to provide jigs enabling a worker to hold a lock ring while resisting the elastic repulsion force urging contraction of the lock ring, inward in the radial direction, without the need for propping up a heavy lock ring. There is provided a lock ring mounting/demounting jig, the jig including two jigs in pairs, the jigs (41, 42) in pairs, constituting the jig, being joined with each other by a screw bolt (8), in which the jigs in pairs are mountable on respective ends (4a, 4b) of a lock ring (4), the jigs (41, 42) each include a main block (41B, 42B) and a clamp (41C, 42C), and the jigs (41, 42, 410, 420, 411, 421) in pairs are structured such that an interval therebetween is stretchable.Type: ApplicationFiled: August 13, 2008Publication date: February 3, 2011Inventors: Kentaro Oba, Yukio Nakamura, Etsuro Sugisaki
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Patent number: 7863614Abstract: An LED backlight device includes a first substrate having optical transparency and having first and second surfaces. An LED thin-film layered structure is fixed to the first surface of the first substrate, and is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode of the LED thin-film layered structure is connected to an anode driver IC via an anode wiring. A cathode electrode of the LED thin-film layered structure is connected to a cathode driver IC via a cathode wiring. A phosphor is provided on the second surface of the first substrate. The LED backlight device further includes a second substrate having optical transparency and having first and second surfaces. The first surface of the second substrate faces the first surface of the first substrate. A reflection layer is provided on the second surface of the second substrate.Type: GrantFiled: August 26, 2008Date of Patent: January 4, 2011Assignee: Oki Data CorporationInventors: Hiroshi Toyama, Yukio Nakamura
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Patent number: 7837935Abstract: Disclosed is a small-sized joint for joining hydrogen gas running route-forming members, which can surely prevent the leakage of hydrogen gas, and a portable hydrogen flame ionization gas detector that can prevent the leakage of hydrogen gas to achieve high safety. The joint comprises a metallic base having an internal space at least one end of which is opened, and a ring-like sealing member composed of an elastic material and arranged at opening edge of the metallic base, wherein a hydrogen gas running route-forming member is fixed in a state inserted into an internal space of the metallic base through the sealing member, and the sealing member is squeezed to gastightly seal the space, whereby one hydrogen gas running route-forming member is removably joined. In the gas detector, the joint is used to form a hydrogen gas running route.Type: GrantFiled: March 29, 2006Date of Patent: November 23, 2010Assignee: Riken Keiki Co., Ltd.Inventors: Haruhiko Kondo, Nobuhisa Kawai, Yukio Nakamura
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Publication number: 20100188720Abstract: A light source apparatus emits light image information. A reflective layer is formed on a planarization film formed on a metal substrate. LED thin films are arranged in a matrix having columns extending in first directions and rows extending in second directions perpendicular to the first directions, the LED thin films being bonded to the reflective layer by means of intermolecular force. First wires are connected to first electrodes of the LED thin films. Second wires are connected to second electrodes of the LED thin films. A first driver circuit selectively electrically drives the LED thin films, arranged in the rows, via the plurality of first wires. A second driver circuit selectively electrically drives the LED thin films, arranged in the rows, via the plurality of second wires.Type: ApplicationFiled: January 25, 2010Publication date: July 29, 2010Applicant: OKI DATA CORPORATIONInventors: Yukio Nakamura, Hiroshi Toyama
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Publication number: 20100164275Abstract: It is an object of the present invention to provide a multi-piece rim which does not need much labor for supporting, and does not increase the number of components to be managed and the number of needed tasks. The present invention constructs a lock ring (40) to be fitted in the groove (11a) of a gutter band (11), which ring is divided in a plurality of portions (41, 42) being coupled at each end (41a, 42a) thereof by a flexible coupling member (43) . Alternatively, a lock ring (140) is formed into a substantially C-shape being manufactured by cutting a part of a circular ring, and comprises a first portion (141) wherein a length of a chord at the cut portion is substantially equal to the diametral of a hub, and a second portion (142) having a shape corresponding to the cut portion of a circular ring in the first portion.Type: ApplicationFiled: February 8, 2008Publication date: July 1, 2010Inventors: Kentaro Oba, Yukio Nakamura, Yoshiyuki Higashino
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Publication number: 20100148541Abstract: A roof is split into plural parts, a front roof and a rear roof. A roof-storage space is formed between a passenger's seat and a rear bulkhead which forms a rear end of a vehicle compartment, in which the roof is stored when the roof is open. There is provided a support mechanism which substantially horizontally supports the roof which is stored in the roof-storage space so that an upper space of the roof-storage space between the passenger's seat and the bulkhead is covered with only one of the plural parts of the roof.Type: ApplicationFiled: December 11, 2009Publication date: June 17, 2010Applicant: MAZDA MOTOR CORPORATIONInventors: Satoru HASHIMOTO, Shigeyuki MORI, Yukio NAKAMURA
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Publication number: 20090322123Abstract: A single wire is provided between a pair of front side frames and a power plant, respective front ends of which are coupled to front end portions of the pair of front side frames. Accordingly, the impact load can be dispersed to the both-side front side frames in case the central portion of the vehicle front collides with the pole-shaped obstacle and the power plant can be suppressed from moving rearward.Type: ApplicationFiled: June 24, 2009Publication date: December 31, 2009Applicant: MAZDA MOTOR CORPORATIONInventors: Katsutoshi Tanaka, Yasuyuki Andou, Kouichi Nakano, Shiro Nakatani, Yukio Nakamura, Takao Maruko
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Publication number: 20090239965Abstract: Provided is a rubber composition for shoe soles prepared by blending 100 mass parts of a polymer component comprising 10 to 90 mass % of a vinyl/cis-polybutadiene rubber (A) comprising 1,4-cis-polybutadiene (a) and 1,2-polybutadiene crystalline fibers (b) in which the crystalline fibers have an average fiber length of 200 nm or less and an average aspect ratio of 10 or less, in which the number of the crystalline fibers having a fiber length of 200 nm or less is 90 fibers or more per 25 ?m2 and in which a melting point is 170° C. or higher, 10 to 50 mass % of a diene base rubber (B) other than the polybutadiene rubber (A) and 2 to 50 mass % of a thermoplastic polymer (C) with 2 to 50 mass parts of a rubber reinforcing material (D).Type: ApplicationFiled: July 12, 2007Publication date: September 24, 2009Applicant: UBE INDUSTRIES, LTD.Inventors: Takashi Wada, Yukio Nakamura, Naomi Okamoto
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Publication number: 20090161038Abstract: A backlight device includes a first substrate having optical transparency and having first and second surfaces opposite to each other. An LED thin-film is fixed to the first surface of the first substrate. An anode electrode and a cathode electrode are formed on the LED thin-film. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film to emit light. An anode wiring and a cathode wiring are provided on the first surface of the first substrate. A second substrate has optical transparency, and has first and second surfaces opposite to each other. The second surface of the second substrate faces the first surface of the first substrate. A reflection film is provided on the first surface of the second substrate. A light diffusion plate is provided so as to face the second surface of the first substrate and has a function to diffuse incident light.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Applicant: OKI DATA CORPORATIONInventors: Hiroshi Toyama, Yukio Nakamura
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Publication number: 20090161039Abstract: A backlight device includes a first substrate having optical transparency and having a first surface and a second surface. An LED thin-film is fixed to the first surface of the first substrate. The LED thin-film is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode and a cathode electrode are formed on the LED thin-film. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film. An anode wiring is provided for connecting the anode driver IC and the anode electrode, and a cathode wiring is provided for connecting the cathode driver IC and the cathode electrode. A second substrate has optical transparency and having a function to diffuse incident light. The second substrate is provided so as to face the second surface of the first substrate.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Applicant: OKI DARA CORPORATIONInventors: Hiroshi Toyama, Yukio Nakamura