Patents by Inventor Koji Yamada

Koji Yamada 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: 8525431
    Abstract: A lighting apparatus for a high-pressure discharge lamp that has an electric discharge container made of quartz glass, and containing a pair of counter electrodes and a power supply unit that supplies AC current to the high-pressure discharge lamp. The power supply unit has a stationary power lighting mode and a modulated power lighting mode that supplies current having power less than power in the stationary power lighting mode. The modulated power lighting mode supplies a rectangular AC current having a first term and a second term. A mean high-frequency current value supplied to a first electrode is greater than a mean current value supplied to a second electrode in the first term. A current is supplied to the second electrode for a term longer than the half-cycle period in the second term, the current being lower than the mean high-frequency current value supplied to the first electrode.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: September 3, 2013
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventors: Koji Yamada, Takanori Samejima, Takashi Yamashita
  • Patent number: 8509320
    Abstract: A communication circuit is provided which transmits an information bit string from a transmission unit to a reception unit. The transmission unit includes a first modulation circuit that modulates a first carrier wave by a start bit to generate a first frequency signal, a second modulation circuit that modulates a second carrier wave by the information bit string to generate a second frequency signal, and a transmission circuit that transmits the first and second frequency signals from a transmitting antenna. The reception unit includes a reception circuit that receives a signal from the transmission unit, a first detector circuit that detects a signal of the first carrier wave to demodulate the start bit, a second detector circuit that detects a signal of the second carrier wave to demodulate the information bit string, and a detection circuit that is synchronized by the start bit and reads the information bit string.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: August 13, 2013
    Assignee: Toyota Boshoku Kabushiki Kaisha
    Inventors: Hideki Uno, Koji Yamada, Yuya Makino
  • Publication number: 20130189603
    Abstract: [Problem] To provide a fuel cell having excellent power generation performance, which includes a compound containing at least hydrogen and nitrogen as fuel and uses an anion exchange membrane as an electrolyte layer. [Solution] In a fuel cell 1 including an electrolyte layer 4 formed from an anion exchange membrane, a fuel side electrode 2 and an oxygen side electrode 3, both electrodes being disposed to face each other with the electrolyte layer 4 interposed therebetween, the fuel side electrode 2 contains lanthanum and nickel as a metal catalyst such that the content proportion of lanthanum is 10 to 30% relative to the total mole of the lanthanum and nickel. Further, a compound containing at least hydrogen and nitrogen, such as hydrazine, is used as fuel.
    Type: Application
    Filed: September 9, 2011
    Publication date: July 25, 2013
    Inventors: Tomokazu Sakamoto, Koichiro Asazawa, Koji Yamada, Hirohisa Tanaka
  • Publication number: 20130176358
    Abstract: [Problems] To provide printed seamless cans in small lots having many kinds of designs, the printed seamless cans excellently reproducing the density of the area solidly printed all over the surface and forming vivid images. [Means for Solution] A printed seamless can forming at least a printed layer and a finishing varnish layer on at least the body portion on the outer surface of the seamless can, the printed layer having an image formed by the plate-type printing and an image formed by the ink-jet printing, and being covered with the finishing varnish layer.
    Type: Application
    Filed: October 12, 2011
    Publication date: July 11, 2013
    Applicant: TOYO SEIKAN KAISHA, LTD.
    Inventors: Koji Yamada, Kenji Hayashi, Shigenobu Murakami, Zen Kanayama
  • Patent number: 8406095
    Abstract: A processor is provided in a main body and performs at least one of writing data on a plate-shaped medium, reading data from the medium and printing on the medium. A drawer tray is provided in the main body, includes a stacker portion which is configured to accommodate a plurality of plate-shaped media processed by the processor and is movable between an accommodated position where the stacker portion is capable of receiving the media and a drawn position where the drawer tray is pulled out from the main body to take out the media accommodated in the stacker portion.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: March 26, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Kazuya Oshida, Koji Yamada
  • Patent number: 8366991
    Abstract: An apparatus for recovering platinum group elements comprises a furnace body having an interior space substantially shot off from external air, a material charging port and an exhaust port provided in an upper half of the furnace body, at least two fluid discharge ports provided in a lower half of the furnace body at different height levels. a material charging chute connected to the material charging port. an exhaust unit connected to the exhaust port; and electrodes for passing electric current through and heating material charged into the furnace. The material charging chute is equipped with a vertical two stage shutter so as to maintain airtightness when material is charged into the interior space of the furnace.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: February 5, 2013
    Assignees: Dowa Metals & Mining Co., Ltd., Tanaka Kikinzoku Kogyo K.K., Kosaka Smelting & Refining Co., Ltd., Nippon PGM Co., Ltd.
    Inventors: Koji Yamada, Masahiko Ogino, Nobuyasu Ezawa, Hiroshi Inoue
  • Publication number: 20130011765
    Abstract: In a fuel cell including an electrolyte layer allowing an anion component to migrate, and a fuel-side electrode and an oxygen-side electrode arranged to face each other while sandwiching the electrolyte layer, the oxygen-side electrode contains a first catalyst containing a first transition metal and polypyrrole, and a second catalyst containing a second transition metal and a porphyrin ring-containing compound so that the mixing ratio of the first catalyst relative to 100 parts by mass of the total amount of the first catalyst and the second catalyst is more than 10 parts by mass, and below 90 parts by mass.
    Type: Application
    Filed: March 23, 2011
    Publication date: January 10, 2013
    Applicants: STC UNM, DAIHATSU MOTOR CO., LTD.
    Inventors: Koichiro Asazawa, Koji Yamada, Hirohisa Tanaka, Kazuya Yamamoto, Tim Olson, Svitlana Pylypenko, Plamen Atanassov
  • Publication number: 20130003485
    Abstract: A micro-bubble generating device is provided which is capable of mixing or dispersing micro-bubbles into a liquid with high stability and has a simple structure that permits reduction of a cost of manufacture. A first member and a first packing are superposed on each other on one side of a gas-permeable film, while a second member and a second packing are superposed on each other on the other side of the gas-permeable film. A pressurized gas delivered via a gas inlet of the first member flows through a fluid passage of the first packing, permeates through the gas-permeable film, and is ejected as micro-bubbles into a liquid flowing through a fluid passage in the form of a narrow shallow strip-like groove provided in the second packing.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: Nakashima Kogyo Corporation
    Inventors: Yoji NAKASHIMA, Koji Yamada
  • Patent number: 8342695
    Abstract: A discharge lamp lighting apparatus comprises a discharge lamp and a power supply the discharge lamp can be switched between a steady power lighting mode, which drives the discharge lamp by an alternating current in which first and second polarities are repeated by turns, and a low power lighting mode, which drives the discharge lamp at 50% or less of the alternating current of the steady power lighting mode, and the alternating current comprises a first time unit, which has a time width t1, and second time unit, which has a time width t2, that are repeated by turns to drive the discharge lamp.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: January 1, 2013
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventors: Tetsuji Hirao, Masaaki Uehara, Atsushi Imamura, Koji Yamada, Hirohisa Iwabayashi
  • Publication number: 20120298309
    Abstract: A prepreg lamination head which laminates a prepreg sheet (8) toward a fiber direction (T2) in a direction intersecting a length direction (T1) of a prepreg laminated body is disposed at each of both outsides oldie subject laminated body (W) in the width direction. The prepreg lamination head includes: a pair of guide rollers which guides a prepreg sheet (8) so as to be superimposed on the subject laminated body (W); and a lamination shoe (31) which is disposed between the pair of guide rollers so as to freely advance and retract in the fiber direction (T2) and stick the prepreg sheet (8) guided between the pair of guide rollers on the subject laminated body (W) by pressing the prepreg sheet from one surface thereof. Then, the lamination shoe (31) is divided in the width direction of the prepreg sheet (8).
    Type: Application
    Filed: February 25, 2011
    Publication date: November 29, 2012
    Inventors: Daiki Arakawa, Koji Yamada, Jun Eto, Masayuki Kokubu
  • Publication number: 20120290743
    Abstract: One data processor is provided with an interface for realizing connection with the other data processor. This interface is provided with a function for connecting the other data processor as a bus master to an internal bus of the one data processor, and the relevant other data processor is capable of directly operating peripheral functions that are memory mapped to the internal bus from an external side via the interface. Accordingly, the data processor can utilize the peripheral functions of the other data processor without interruption of the program being executed. In short, one data processor can use in common the peripheral resources of the other data processor.
    Type: Application
    Filed: July 23, 2012
    Publication date: November 15, 2012
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Junichi NISHIMOTO, Takuichiro NAKAZAWA, Koji YAMADA, Toshihiro HATTORI
  • Patent number: 8302941
    Abstract: A micro-bubble generating device is provided which is capable of mixing or dispersing micro-bubbles into a liquid with high stability and has a simple structure that permits reduction of a cost of manufacture. A first member and a first packing are superposed on each other on one side of a gas-permeable film, while a second member and a second packing are superposed on each other on the other side of the gas-permeable film. A pressurized gas delivered via a gas inlet of the first member flows through a fluid passage of the first packing, permeates through the gas-permeable film, and is ejected as micro-bubbles into a liquid flowing through a fluid passage in the form of a narrow shallow strip-like groove provided in the second packing.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: November 6, 2012
    Assignee: Nakashima Kogyo Corporation
    Inventors: Yoji Nakashima, Koji Yamada
  • Patent number: 8277131
    Abstract: A semiconductor optical communication module includes a semiconductor chip mounted on a chip carrier and a lens assembly having an end parallel to and facing the front edge of the chip carrier. The semiconductor chip has a front facet oriented at an acute angle to the front edge of the chip carrier. An optical waveguide in the semiconductor chip transmits an optical signal that propagates on an optical axis extending from the front facet of the semiconductor chip to the end of the lens assembly. The optical axis is orthogonal to the end of the lens assembly and the front edge of the chip carrier. The angled mounting of the semiconductor chip on the chip carrier allows the lens assembly to be placed close to the edge of the chip carrier, and to be moved for optical axis adjustment without striking the chip carrier.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: October 2, 2012
    Assignee: Lapis Semiconductor Co., Ltd.
    Inventors: Munechika Kubota, Koji Yamada, Keizo Takemasa, Tomonori Shimamura, Satoshi Sasaki, Xiang Yu, Kouyu Moriya, Takashi Sugiyama
  • Publication number: 20120227907
    Abstract: A prepreg lamination head and a prepreg automatic lamination apparatus with the same is provided. By using them, the curling-up of the cut terminal portion of the prepreg sheet can be prevented. The prepreg lamination head includes: a first roller, a second roller, and a forward-placed paper liner peeling device. The forward-placed paper liner peeling device includes a third roller, which is provided between and above the first and second rollers. The paper liner attached on the first side of the prepreg sheet is peeled off right after passing the first roller. The peeled paper liner is hanged over the third roller between the first and second rollers. The third roller guides the peeled paper liner to the second roller. The prepreg sheet is pressed on the laminated body with the second roller through the paper liner.
    Type: Application
    Filed: February 24, 2011
    Publication date: September 13, 2012
    Applicant: Mitsubishi Heavy Industries, Ltd
    Inventors: Daiki Arakawa, Jun Eto, Koji Yamada, Masayuki Kokubu
  • Patent number: 8265774
    Abstract: An inverted pendulum type moving body according to the present invention includes: first actuators that rotationally drive wheels each disposed on an axle; and a turning motion control portion that controls the first actuators when the inverted pendulum type moving body comes into contact with an obstacle so as to allow the inverted pendulum type moving body to perform a turning motion.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: September 11, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshiyuki Senba, Koji Yamada, Takashi Izuo, Takuya Serai, Mitsuo Koide, Kazutoshi Sukigara, Chisao Hayashi
  • Patent number: 8257514
    Abstract: A ferrous seal sliding part excellent in heat crack resistance, seizing resistance and abrasion resistance is provided. The ferrous seal sliding part having a seal sliding surface, wherein the seal sliding surface has a martensite parent phase which forms a solid solution with carbon of 0.15 to 0.6 wt % and contains a first dispersion material of at least either cementite of 5 to 70% by volume or MC-type carbide of 0.1 to 10% by volume and a second dispersion material of at least either graphite of 1 to 15% by volume or Cu alloy phase of 1 to 20% by volume dispersed therein, with a total content of the first dispersion material and the second dispersion material being 5 to 70% by volume.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: September 4, 2012
    Assignee: Komatsu Ltd.
    Inventors: Takemori Takayama, Koji Yamada, Shigeo Otsuka
  • Patent number: 8258717
    Abstract: In order to maintain a stable arc and avoid wear of the projections of electrode tip ends even if the lamp is lighted with a lamp power of at most 70% of the nominal electric power, a high pressure discharge lamp light source device is provided with a power supply device for supplying alternating current to the high pressure discharge lamp in a low electric power lighting mode having a defined current value in the range of 40 to 70% of a nominal electric power consumption, and wherein the power supply device, in the low electric power lighting mode supplies an alternating current with a low frequency which is lower than the steady-state lighting frequency, and supplies a boost current at least two times during a half cycle of the alternating current with a low frequency which is larger than the alternating current with a low frequency.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: September 4, 2012
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventor: Koji Yamada
  • Publication number: 20120218366
    Abstract: A thermal printer having a thermal head with a heat element that heats a recording medium and forms a print dot by energizing the heat element generates a first energizing pulse that energizes continuously during a first period for forming a print dot when the recording medium conveyance speed is greater than a specific threshold value; and generates a second energizing pulse that alternates during the first period between energizing for a second period that is shorter than the first period and de-energizing for a third period when the recording medium conveyance speed is less than or equal to the threshold value.
    Type: Application
    Filed: October 26, 2010
    Publication date: August 30, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Koji Yamada, Hitoshi Ishino
  • Patent number: 8244926
    Abstract: One data processor is provided with an interface for realizing connection with the other data processor. This interface is provided with a function for connecting the other data processor as a bus master to an internal bus of the one data processor, and the relevant other data processor is capable of directly operating peripheral functions that are memory mapped to the internal bus from an external side via the interface. Accordingly, the data processor can utilize the peripheral functions of the other data processor without interruption of the program being executed. In short, one data processor can use in common the peripheral resources of the other data processor.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: August 14, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Junichi Nishimoto, Takuichiro Nakazawa, Koji Yamada, Toshihiro Hattori
  • Publication number: 20120184554
    Abstract: Provided are an agent for the treatment and/or prophylaxis of a mood disorder comprising, as an active ingredient, a thiazole derivative represented by the formula (I) wherein R1 represents aryl or the like, and R2 represents pyridyl or the like, or a pharmaceutically acceptable salt thereof, and the like.
    Type: Application
    Filed: September 2, 2010
    Publication date: July 19, 2012
    Applicant: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Koji Yamada, Tomoyuki Kanda