Patents by Inventor Akira Hashimoto

Akira Hashimoto 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).

  • Publication number: 20080298993
    Abstract: An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first operation mode in which both rotary compression elements perform a compression work and a the second operation mode in which the only first rotary compression element substantially performs the compression work. When the second operation mode is switched to the first operation mode, discharge-side pressures of both the rotary compression elements are applied as a back pressure of the second vane, and thereafter an intermediate pressure is applied which is between suction-side and discharge-side pressures of both the rotary compression elements. When the first operation mode is switched to the second operation mode, a valve device interrupts flowing of a refrigerant into a second cylinder, and thereafter suction-side pressures of both the rotary compression elements are applied as the back pressure of the second vane.
    Type: Application
    Filed: April 15, 2008
    Publication date: December 4, 2008
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Takahiro Nishikawa, Hirotsugu Ogasawara, Akihiro Suda, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida, Akira Hashimoto
  • Patent number: 7455410
    Abstract: An illuminating apparatus includes: a light source that emits a source light; and a light guiding module that has an overlap rod portion which can pass luminous fluxes traveling in different directions therethrough and has a returning member which returns the luminous fluxes having passed through the overlap rod portion at least once so that the luminous fluxes enter the overlap rod portion in directions different from the previous time, whereby the source light is made uniform.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: November 25, 2008
    Assignee: Seiko Epson Corporation
    Inventors: Makoto Furusawa, Akira Hashimoto
  • Patent number: 7452651
    Abstract: In a carrier comprising carrier particles; each carrier particle comprising a carrier core and a coat layer for coating the carrier core, the carrier core has a ferrite component containing i) a metal oxide having at least one of metallic elements Mg, Li and Ca, the total-sum content of which is 10 to 40 mole % based on the whole ferrite component, and ii) a metal oxide having at least one of metallic elements Mn, Cu, Cr and Zn, the total-sum content of which is 50 to 4,000 ppm based on the whole ferrite component. The carrier has a volume distribution based 50% particle diameter (D50) of from 15.0 to 55.0 ?m and a degree of surface unevenness of from 1.05 to 1.30, and the coat layer contains particles; the particles having a number-average primary particle diameter of from 10 to 500 nm.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: November 18, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yojiro Hotta, Tetsuya Ida, Wakashi Iida, Akira Hashimoto, Nozomu Komatsu, Yoshinobu Baba
  • Patent number: 7452647
    Abstract: A color toner that comprises at least a binder resin, a colorant and a release agent, wherein the binder resin has at least a polyester unit and is synthesized in the presence of a tin compound as a catalyst represented by the general formula (1): (RCOO)2Sn??(1) wherein, R is an alkyl group of 5 to 15 carbon atoms. The toner is excellent in charge build-up, resistance to high temperature offset, color reproducibility and transparency.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: November 18, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiko Hayami, Hirohide Tanikawa, Tetsuya Ida, Akira Hashimoto, Nozomu Komatsu, Hiroyuki Fujikawa
  • Publication number: 20080239526
    Abstract: A light conducting unit is disposed between a light source and a region which is to be illuminated. In addition, a light conducting unit includes a polygonal prism made from a first medium with a first coefficient of refraction, a first light conducting unit which directs light to be incident upon a first surface of the polygonal prism, and a second light conducting unit upon which light emitted from a second surface of the polygonal prism is incident, wherein the polygonal prism includes a reflective device which reflects light which is incident into the polygonal prism from the first surface towards the second surface, and a second medium with a second coefficient of refraction which is less than the first coefficient of refraction is provided at the first surface and the second surface.
    Type: Application
    Filed: May 28, 2008
    Publication date: October 2, 2008
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi Takeda, Akira Hashimoto
  • Publication number: 20080231812
    Abstract: A projector includes: a light source lamp; and a cooling device that cools the light source lamp and includes a plurality of cooling fans to deliver air toward the light source lamp. Airflow directions in which the plurality of cooling fans deliver the air toward the light source lamp are different from each other.
    Type: Application
    Filed: March 15, 2008
    Publication date: September 25, 2008
    Applicant: Seiko Epson Corporation
    Inventors: Yohei Sakai, Akira Hashimoto, Fumihide Sasaki
  • Publication number: 20080206071
    Abstract: An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first operation mode in which both rotary compression elements perform a compression work and a the second operation mode in which the only first rotary compression element substantially performs the compression work. When the second operation mode is switched to the first operation mode, discharge-side pressures of both the rotary compression elements are applied as a back pressure of the second vane, and thereafter an intermediate pressure is applied which is between suction-side and discharge-side pressures of both the rotary compression elements. When the first operation mode is switched to the second operation mode, a valve device interrupts flowing of a refrigerant into a second cylinder, and thereafter suction-side pressures of both the rotary compression elements are applied as the back pressure of the second vane.
    Type: Application
    Filed: April 15, 2008
    Publication date: August 28, 2008
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Takahiro Nishikawa, Hirotsugu Ogasawara, Akihiro Suda, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida, Akira Hashimoto
  • Publication number: 20080199325
    Abstract: An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first operation mode in which both rotary compression elements perform a compression work and a the second operation mode in which the only first rotary compression element substantially performs the compression work. When the second operation mode is switched to the first operation mode, discharge-side pressures of both the rotary compression elements are applied as a back pressure of the second vane, and thereafter an intermediate pressure is applied which is between suction-side and discharge-side pressures of both the rotary compression elements. When the first operation mode is switched to the second operation mode, a valve device interrupts flowing of a refrigerant into a second cylinder, and thereafter suction-side pressures of both the rotary compression elements are applied as the back pressure of the second vane.
    Type: Application
    Filed: April 15, 2008
    Publication date: August 21, 2008
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Takahiro Nishikawa, Hirotsugu Ogasawara, Akihiro Suda, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida, Akira Hashimoto
  • Publication number: 20080181231
    Abstract: A data processing device connected to another data processing device through an asynchronous network to receive/transmit data from/to the other data processing device. The data processing device monitors an accumulation amount of a reception buffer for receiving data transmitted from the other data processing device, controls a self reception data processing clock based upon the monitored accumulation amount, transmits to the other data processing device transmission clock control information controlling a transmission clock in the other data processing device based upon the monitored accumulation amount, and controlling a self transmission clock based upon the clock control information transmitted from the other data processing device.
    Type: Application
    Filed: January 4, 2008
    Publication date: July 31, 2008
    Applicant: Fujitsu Limited
    Inventors: Kazumasa SONODA, Satoru Mashima, Hideyuki Kudou, Akira Hashimoto, Takahiro Yamamoto
  • Patent number: 7382071
    Abstract: A variable-speed rotating electric machine includes at least two armatures having respective armature coils for multiple phases, and a rotor having permanent magnets. The armatures are arranged concentrically with each other in such a manner that electrical angular positions of the individual armatures can be relatively varied in a circumferential direction. The armature coils of each phase are series-connected and the rotor is arranged concentrically with the armatures on the inside thereof.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: June 3, 2008
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masao Morita, Kouki Naka, Masaya Inoue, Akira Hashimoto
  • Patent number: 7354200
    Abstract: To provide a bearing device, which can be easily processed, and whereby, its durability is capable of being improved and a load (tractional force) can be remarkably increased till the burn-in occurs and a pin for the bearing device. The bearing device is provided with a bush and a pin to be inserted in this bush. When an external force is acting in a certain direction, the bush and the pin are relatively rocked, and a slidable range H is formed, in which an outer peripheral face of the pin and an inner peripheral face of the bush partially and slidably contact with each other. An oil reservoir is provided at the side of the pin in order to prevent a no-lubrication portion, to which no lubrication oil is supplied, from being formed in the slidable range H.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: April 8, 2008
    Assignee: Komatsu Ltd.
    Inventors: Teiji Yamamoto, Akira Hashimoto, Hiroshi Yamamoto
  • Publication number: 20080031753
    Abstract: An object is to provide a highly efficient compressor while improving a refrigerant leakage, enhancing a performance of a compressor, improving durability, and enhancing reliability.
    Type: Application
    Filed: June 13, 2007
    Publication date: February 7, 2008
    Applicant: SANYO ELECTRIC CO., LTD
    Inventors: Takahiro Nishikawa, Hirotsugu Ogasawara, Takao Kanayama, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa, Akira Hashimoto, Junichi Suzuki
  • Patent number: 7288348
    Abstract: In a color toner having toner particles which have toner base particles containing a binder resin, a colorant and a wax, and inorganic fine particles, (i) in the toner base particles, particles having a circle-equivalent diameter of 3.00 ?m or more as measured with a flow type particle image analyzer have an average circularity of from 0.920 or more to less than 0.950, (ii) in the particles having a circle-equivalent diameter of 3.00 ?m or more in the toner base particles, particles having a circularity of 0.960 or more are in a number frequency cumulative value of 40% or less; and (iii) in the particles having a circle-equivalent diameter of 3.00 ?m or more in the toner base particles, particles having a circularity of 0.920 or less are in a number frequency cumulative value of 30% or less. Also disclosed is a full-color image forming method making use of the toner.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: October 30, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiko Hayami, Tetsuya Ida, Nozomu Komatsu, Yasuhiro Ichikawa, Akira Hashimoto, Hirohide Tanikawa, Takakuni Kobori, Takayuki Itakura, Hiroyuki Fujikawa, Koh Ishigami, Nobuyoshi Sugahara
  • Publication number: 20070243092
    Abstract: An object is to provide a highly efficient compressor while improving a refrigerant leakage, enhancing a performance of a compressor, improving durability, and enhancing reliability.
    Type: Application
    Filed: June 13, 2007
    Publication date: October 18, 2007
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Takahiro Nishikawa, Hirotsugu Ogasawara, Takao Kanayama, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa, Akira Hashimoto, Junichi Suzuki
  • Publication number: 20070210666
    Abstract: The electric rotating machine includes a fixed stator fixed to the inner circumferential side of a housing, a moving stator rotatably supported on the inner circumferential side of the housing, a rotor disposed concentrically on the inner circumferential side of the fixed stator and the moving stator, and a moving stator drive formed of a gear and a motor for rotating the moving stator by a predetermined angle. The moving stator drive is detachable with respect to the housing. Coil leader lines are stored in an internal part of the housing so that the moving stator is capable of rotating by a predetermined. angle.
    Type: Application
    Filed: March 8, 2007
    Publication date: September 13, 2007
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shinichirou YOSHIDA, Akira HASHIMOTO, Kouki NAKA, Masao MORITA
  • Publication number: 20070200133
    Abstract: An LED assembly including a wiring substrate with an opening at its center; a heat sink housed inside the opening; an LED chip mounted on the heat sink; a connecting section for electrically coupling the LED chip and wiring substrate; and a transparent resin covering the LED chip and connecting section. Heat generated from the LED chip is efficiently dissipated, and high productivity is also achievable.
    Type: Application
    Filed: March 31, 2006
    Publication date: August 30, 2007
    Inventors: Akira Hashimoto, Masaaki Katsumata, Masaaki Hayama, Kenichi Endou, Kenji Endou, Hitoshi Hirano, Hidenori Katsumura, Tatsuya Inoue
  • Publication number: 20070139859
    Abstract: A capacitor capable of being incorporated into a packaging substrate, which capacitor includes a high-dielectric-constant layer, and an upper electrode layer and a lower electrode layer sandwiching the high-dielectric-constant layer from the upper side and the lower side. A packaging substrate containing the capacitor, and a method for producing the same are also provided.
    Type: Application
    Filed: December 29, 2006
    Publication date: June 21, 2007
    Inventors: Tetsuya Osaka, Ichiro Koiwa, Akira Hashimoto, Yoshimi Sato
  • Patent number: 7220004
    Abstract: A projector is provided wherein the shapes of rod integrators for the respective colors (i.e., the shapes of the output ports thereof) are made nearly the same as the shapes of the effective pixel regions and the sizes of the output ports of the rod integrators for the respective colors are made slightly larger than the sizes of the effective pixel regions of the liquid crystal light valves opposed thereto. As a result, uniform illumination light output from the output ports can be caused to enter the effective pixel regions with no loss or damage to uniformity.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: May 22, 2007
    Assignee: Seiko Epson Corporation
    Inventor: Akira Hashimoto
  • Patent number: D556810
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: December 4, 2007
    Assignee: Seiko Epson Corporation
    Inventors: Hiroto Miyauchi, Akira Hashimoto, Hiroyuki Shindo
  • Patent number: D582973
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: December 16, 2008
    Assignee: Seiko Epson Corporation
    Inventors: Akira Hashimoto, Hideki Sakano