Patents by Inventor Tsuyoshi Yamamoto

Tsuyoshi Yamamoto 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: 9178691
    Abstract: An apparatus for correcting a signal, includes a correction value calculator that determines a transmission distance of a transmission path through which a timing signal is propagated, the timing signal having a periodically changing frequency, and determines a deviation between a frequency of the timing signal and a frequency of received data, as a correction value, from the transmission distance; and a corrector that corrects the frequency of the timing signal by the correction value for synchronizing transmitted data with the timing signal.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: November 3, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Takashi Shimizu, Jun Matsui, Tsuyoshi Yamamoto
  • Patent number: 9131666
    Abstract: A hatching egg inspection apparatus includes a loader unit, an inspection unit for determining the viability or the like as to whether a hatching egg is an unfertilized egg or a growth-stopping egg, a rejection unit for rejecting a hatching egg determined to be an unfertilized egg or the like, and an unloader unit for sending a hatching egg toward the next step. The inspection unit is provided with a light emitting unit for emitting prescribed light toward the hatching egg, a cap attachment unit through which the light having been emitted to the hatching egg and having transmitted through the hatching egg passes, and a light receiving unit for receiving the light that has passed through the cap attachment unit. The cap attachment unit includes a cylindrical cap coming into contact with the hatching egg, and a plate to which the cap is attached.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 15, 2015
    Assignees: Yamamoto Corp., Nabel Co., Ltd.
    Inventors: Mitsuo Yamamoto, Tsuyoshi Yamamoto, Shinichi Fujitani, Takatsugu Tahara, Toyoaki Ohashi
  • Patent number: 9127280
    Abstract: An object of the present invention is to provide an oligonucleotide useful as a therapeutic agent for dyslipidemia that has excellent binding affinity to the PCSK9 gene as well as stability and safety. The oligonucleotide of the present invention contains a sugar-modified nucleoside, the sugar-modified nucleoside has a bridging structure between 4?-position and 2?-position, and the oligonucleotide can bind to the human PCSK9 gene. Also, the present invention provides a therapeutic agent for dyslipidemia containing the oligonucleotide as an active ingredient, and the therapeutic agent preferably contains a bioabsorbable material as a carrier. The bioabsorbable material is preferably atelocollagen or peptide gel.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: September 8, 2015
    Assignees: Osaka University, National Cerebral and Cardiovascular Center, Tokyo University of Science Education Foundation Administrative Organization
    Inventors: Satoshi Obika, Takeshi Imanishi, Tsuyoshi Yamamoto, Keisuke Narukawa, Mariko Shiba, Tetsuji Yamaoka, Hidetaka Torigoe, Atsushi Yamashita, Yoichi Tachibana, Sachiro Kakinoki, Kiyomi Sasaki
  • Publication number: 20150247091
    Abstract: Provided is a fixed carbon production device excellent in operation stability and safety which has high strength and may have a compact device volume, which makes possible production of high-quality fixed carbon with high yields and in large amounts, which is capable of keeping the dry distillation temperature low, which has few restraints in the compositional material, which, having a low dry distillation temperature and low heat input amount, has excellent energy-saving efficiency, and which is capable of solving problems due to a tar component.
    Type: Application
    Filed: September 13, 2013
    Publication date: September 3, 2015
    Applicant: KYUSHU ELECTRIC POWER CO., INC.
    Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto
  • Patent number: 9117788
    Abstract: A method of repairing a semiconductor device includes turning a press member to apply pressure on an electronic component which is mounted on a substrate. A heat sink which is provided on the electronic component via a bonding layer is thus displaced with respect to the electronic component in a transverse direction. The heat sink is removed from the electronic component by shearing the bonding layer with the press member.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: August 25, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Tsuyoshi Yamamoto, Naoaki Nakamura, Rie Takada, Kenichiro Tsubone, Yasuhide Kuroda, Harumi Yagi
  • Patent number: 9114489
    Abstract: This disclosure provides a method of adjusting capacities of combustion chambers of a multi-cylinder engine having a cylinder head with recessed parts that partially form the combustion chambers and a mating surface for mating with a cylinder block, which includes casting a cylinder head material having flat reference surfaces on top of the recessed parts of the cylinder head, machining the cylinder head material to form the mating surface, measuring distances in a height direction from the mating surface to the reference surfaces, respectively, and adjusting machining margins of machining portions of the reference surfaces of the recessed parts based on the measured height direction distances.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: August 25, 2015
    Assignee: Mazda Motor Corporation
    Inventors: Tsuyoshi Yamamoto, Yasushi Nakahara, Takayuki Yamada, Kazuya Hayashi, Yuichiro Ikeda
  • Publication number: 20150218971
    Abstract: Provided is a power generation system in which the combustion heat of hydrocarbon gas is used to heat the steam for power generation; at the same time, the exhaust heat thereof is used to dry and dry-distill low rank coal. Due to the use of a moving bed dry distillation furnace, it is possible to keep the product gas temperature reduced; further, fewer restrictions are imposed on materials such as those for gas pipes, etc., and it is possible to achieve excellent maintainability.
    Type: Application
    Filed: September 13, 2013
    Publication date: August 6, 2015
    Applicant: KYUSHU ELECTRIC POWER CO., INC.
    Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto
  • Patent number: 9088366
    Abstract: An optical transmission system including a transmitting unit to transmit an optical main signal, a receiving unit to receive the optical main signal, and a transmission line through which the optical main signal is transmitted, the optical transmission system includes: an optical transmitter unit configured to be activated or inactivated based on a control signal so as to transmit the control signal, the optical transmitter being included in the transmitting; and an optical receiver configured to receive light with the activate state or the inactivate state of the optical transmitter the optical receiver being included in the receiving unit, wherein the receiving unit regenerates the control signal, based on a power of the received light.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: July 21, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Jun Matsui, Takatoshi Yagisawa, Tsuyoshi Yamamoto, Satoshi Ide
  • Publication number: 20150192604
    Abstract: At the time of carrying out measurement of a biological tissue with a probe microscope, measurement is to be realized while maintain survival conditions for a cell. As a holder for the probe microscope, a measurement holder including: a container in which a measurement object is housed; a first cover section which covers at least a part of the measurement object and has an aperture for inserting a measurement probe; and a second cover section which is connected to the first cover section, covers the container, and has an aperture for inserting the measurement probe, is used.
    Type: Application
    Filed: July 27, 2012
    Publication date: July 9, 2015
    Applicant: HITACHI, LTD.
    Inventors: Tsuyoshi Yamamoto, Seiji Heike, Akira Nambu, Tomihiro Hashizume, Hideaki Koizumi
  • Publication number: 20150177275
    Abstract: Provided is a scanning probe microscope that takes measurements at high spatial resolution on physical information such as array structure of water molecules at a specimen-culture fluid interface in a culture fluid as well as irregularities of the surface of a specimen and composition distribution and array structure of molecules, proteins, etc. even in the atmosphere, an ambient air, vacuum, among others. The scanning probe microscope includes: a probing needle (1); a specimen holder (11) in which a specimen (3) is mounted; an oscillator (2) that produces a periodic oscillation to change the probing needle position; a pulse oscillation type laser light source (27, 28) that emits light toward a spot, which is put under measurement by the probing needle, on the specimen; a detector (25) that measures intensity of output light which is output from the specimen by energy spectroscopy; and a control device (26).
    Type: Application
    Filed: August 28, 2012
    Publication date: June 25, 2015
    Inventors: Akira Nambu, Tsuyoshi Yamamoto, Hideaki Koizumi, Tomihiro Hashizume, Seiji Heike
  • Publication number: 20150147041
    Abstract: An optical fiber includes a core, a cladding, and a thermally conductive member. The cladding is formed in a surrounding of the core. The thermally conductive member is formed in a surrounding of the cladding and includes a thermal conductivity higher than thermal conductivities of the core and the cladding.
    Type: Application
    Filed: October 16, 2014
    Publication date: May 28, 2015
    Inventors: Takashi Shimizu, Tsuyoshi Yamamoto, Jun Matsui, Eiji Yoshida
  • Publication number: 20150137087
    Abstract: An organic light-emitting element including: a substrate; a light-emitting part above the substrate, the light-emitting part including an organic layer; and banks defining bounds of the organic layer in a direction along a main surface of the substrate. In the organic light-emitting element, in plan view, a surface of the organic layer is longer in a first direction than in a second direction perpendicular to the first direction, and in the second direction, the surface of the organic layer is convex, protruding upwards in a thickness direction of the organic layer, and in the first direction, the surface of the organic layer is concave, protruding downwards in the thickness direction.
    Type: Application
    Filed: September 26, 2012
    Publication date: May 21, 2015
    Applicant: PANASONIC CORPORATION
    Inventor: Tsuyoshi Yamamoto
  • Publication number: 20150138537
    Abstract: A hatching egg inspection apparatus includes a loader unit, an inspection unit for determining the viability or the like as to whether a hatching egg is an unfertilized egg or a growth-stopping egg, a rejection unit for rejecting a hatching egg determined to be an unfertilized egg or the like, and an unloader unit for sending a hatching egg toward the next step. The inspection unit is provided with a light emitting unit for emitting prescribed light toward the hatching egg, a cap attachment unit through which the light having been emitted to the hatching egg and having transmitted through the hatching egg passes, and a light receiving unit for receiving the light that has passed through the cap attachment unit. The cap attachment unit includes a cylindrical cap coming into contact with the hatching egg, and a plate to which the cap is attached.
    Type: Application
    Filed: May 18, 2012
    Publication date: May 21, 2015
    Applicants: NABEL CO., LTD., YAMAMOTO CORP.
    Inventors: Mitsuo Yamamoto, Tsuyoshi Yamamoto, Shinichi Fujitani, Takatsugu Tahara, Toyoaki Ohashi
  • Patent number: 9020341
    Abstract: An optical transmission system includes at least a first optical link to transmit a first data signal as a part of a multi-lane signal and a second optical link to transmit a second data signal as another part of the multi-lane signal; on the transmission side, a reference clock is constantly applied to the first data signal of the first optical link, and a delay clock is applied to the second data signal responsive to a control signal on the second optical link; on the receiving side, the phase of a first clock signal detected from the first data signal received on the first optical link and the phase of a second clock signal detected from the second data signal received on the second optical link are compared, and the control signal is detected from the comparison result.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: April 28, 2015
    Assignee: Fujitsu Limited
    Inventor: Tsuyoshi Yamamoto
  • Publication number: 20150093055
    Abstract: A motion guide device includes a plurality of rolling element guide members provided along the entire length of a rolling element rolling surface so as to guide the unloaded side of a plurality of rolling elements that perform a rolling movement under load between the rolling element rolling surface and a loaded rolling element rolling surface. The rolling element guide member includes a beam member an outer member including a rolling element guide surface for guiding the unloaded side of the rolling elements, and the beam member and the outer member are insert-molded. Such a structure provides the motion guide device including the rolling element guide member that enables low cost manufacturing of a complex shape and capability of secure installation and guidance of the rolling elements with no deflection and can be adapted for use in various types by optionally selecting a connecting means.
    Type: Application
    Filed: May 10, 2013
    Publication date: April 2, 2015
    Applicant: THK CO., LTD.
    Inventors: Nobuyuki Ikegami, Tsuyoshi Yamamoto, Fumiaki Morita, Manabu Sato, Kentaro Hikomoto, Mitsumasa Wada, Takuya Horie
  • Patent number: 8958695
    Abstract: An optical adding and dropping device includes a drop section including an input port and having a through port and a plurality of drop ports set as output ports, a first multiplexer adapted to multiplex light from the through port and light from a plurality of add ports, and a spectrum foot removing section provided on the input side of the first multiplexer and adapted to remove a foot of a spectrum of light to be inputted from the add ports to the first multiplexer. The optical adding and dropping device can be configured at a low cost while it has adding and dropping functions.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: February 17, 2015
    Assignee: Fujitsu Limited
    Inventors: Hiroki Ooi, Takafumi Terahara, Kentaro Nakamura, Chihiro Ohshima, Tsuyoshi Yamamoto
  • Publication number: 20150041850
    Abstract: A semiconductor device includes a switching element having: a drift layer; a base region; an element-side first impurity region in the base region; an element-side gate electrode sandwiched between the first impurity region and the drift layer; a second impurity region contacting the drift layer; an element-side first electrode coupled with the element-side first impurity region and the base region; and an element-side second electrode coupled with the second impurity region, and a FWD having: a first conductive layer; a second conductive layer; a diode-side first electrode coupled to the second conductive layer; a diode-side second electrode coupled to the first conductive layer; a diode-side first impurity region in the second conductive layer; and a diode-side gate electrode in the second conductive layer sandwiched between first impurity region and the first conductive layer and having a first gate electrode as an excess carrier injection suppression gate.
    Type: Application
    Filed: October 14, 2014
    Publication date: February 12, 2015
    Inventors: Hirotaka SAIKAKU, Tsuyoshi YAMAMOTO, Shoji MIZUNO, Masakiyo SUMITOMO, Tetsuo FUJII, Jun SAKAKIBARA, Hitoshi YAMAGUCHI, Yoshiyuki HATTORI, Rie TAGUCHI, Makoto KUWAHARA
  • Patent number: 8948606
    Abstract: A semiconductor optical amplifier includes an n-type semiconductor layer, a p-type semiconductor layer an active layer provided between the n-type semiconductor layer and the p-type semiconductor layer, the active layer transmitting an optical signal and a current-injection part that injects current into the active layer via the n-type semiconductor layer and the p-type semiconductor layer, the active layer including a first active layer that includes AlGaInAs, and a second active layer that includes GaInAsP, the second active layer provided closer to an output side than the first active layer, and the first active layer and the second active layer being butt-jointed.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: February 3, 2015
    Assignee: Fujitsu Limited
    Inventors: Shinsuke Tanaka, Tsuyoshi Yamamoto
  • Publication number: 20140369445
    Abstract: A decision circuit includes: a first decision block to distinguish a first bit of bits using an amplitude of an analog signal as a discrimination point, the analog signal being an amplitude shift keyed signal; a superposition block to acquire an absolute value of a difference of the analog signal in respect to an amplitude center value of the analog signal by superposing divided analog signals; an inversion block to control inverting of the signal based on a first distinction result of the first decision block; a second decision block to distinguish a second bit of the bits based on an amplitude of an output signal from the inversion block and the discrimination point; and an output buffer to output the first distinction result and a second distinction result of the second decision block in synchronization with a clock.
    Type: Application
    Filed: March 19, 2014
    Publication date: December 18, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Takashi Shimizu, Jun Matsui, Tsuyoshi Yamamoto
  • Patent number: 8906721
    Abstract: A method for manufacturing a semiconductor light emitting device includes forming a lower cladding layer over a GaAs substrate; forming a quantum dot active layer over the lower cladding layer; forming a first semiconductor layer over the quantum dot active layer; forming a diffraction grating by etching the first semiconductor layer; forming a second semiconductor layer burying the diffraction grating; and forming an upper cladding layer having a conductive type different from that of the lower cladding layer over the second semiconductor layer, wherein the processes after forming the quantum dot active layer are performed at a temperature not thermally deteriorating or degrading quantum dots included in the quantum dot active layer.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: December 9, 2014
    Assignees: Fujitsu Limited, The University of Tokyo
    Inventors: Nobuaki Hatori, Tsuyoshi Yamamoto, Manabu Matsuda, Yasuhiko Arakawa