Patents Assigned to The Ritsumeikan Trust
  • Publication number: 20130293202
    Abstract: Provided is an electronic device capable of supplying desired electric power to a load so as to operate the load even in a case where charged power is minute and a voltage increase rate of a capacitor, which increases by charge, is low. The electronic device includes: a power source which has supply power less than consumption power of the load; a capacitor to be charged with the supply power; and a charge/discharge control circuit which controls charging of the capacitor and consumption of charged power of the capacitor by the load, and the charge/discharge control circuit includes: a first node to which the supply power of the power source is supplied; and a circuit which charges the capacitor with the supply power from the first node.
    Type: Application
    Filed: April 26, 2013
    Publication date: November 7, 2013
    Applicants: The Ritsumeikan Trust, Seiko Instruments Inc.
    Inventors: Fumiyasu UTSUNOMIYA, Takakuni DOUSEKI, Ami TANAKA
  • Publication number: 20130267929
    Abstract: Provided are a method for delivering a substance to be introduced and a method for operating a device for delivering a substance to be introduced, in which, in a subject, by supplying the substance to be introduced to a site different from a target site and thereafter applying pressure to the target site in the subject, the substance to be introduced is delivered into the target site.
    Type: Application
    Filed: May 26, 2011
    Publication date: October 10, 2013
    Applicants: KYOTO UNIVERSITY, THE RITSUMEIKAN TRUST
    Inventors: Kazunori Shimizu, Satoshi Konishi, Shigeru Kawakami, Mitsuru Hashida
  • Publication number: 20130261477
    Abstract: An in-vehicle electrocardiograph device includes: a direct electrode that is used to detect an electric potential of a body of a vehicle occupant in a state in which the direct electrode contacts a skin of the occupant; a capacitive-coupled electrode that is used to detect the electric potential of the body of the occupant in a state in which the capacitive-coupled electrode does not contact the skin of the occupant; and an electrocardiographic waveform determination unit that determines an electrocardiographic waveform of the occupant based on an electric potential at the direct electrode and an electric potential at the capacitive-coupled electrode.
    Type: Application
    Filed: May 24, 2013
    Publication date: October 3, 2013
    Applicants: The Ritsumeikan Trust, Toyota Jidosha kabushiki Kaisha
    Inventors: Yoshitaka FUWAMOTO, Masaaki MAKIKAWA, Yuta ITO, Toshiyuki MATSUDA, Takashi KOMURA, Taiji KAWACHI
  • Patent number: 8520974
    Abstract: A tomographic apparatus of this invention includes a dividing unit for dividing a sectional image into a pixel group including artifacts and a pixel group not including artifacts by carrying out an independent component analysis (ICA) of the artifacts, and a pixel group processing unit for applying a smoothing filter as a predetermined process relating to correction only with respect to the above pixel group including the artifacts, whereby a correction process is carried out to remove the artifacts. Thus, the artifacts can be removed stably.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: August 27, 2013
    Assignees: Shimadzu Corporation, The Ritsumeikan Trust
    Inventors: Akinori Fujita, Yen-Wei Chen, Guifang Duan
  • Patent number: 8491776
    Abstract: A flowcell 2 is constituted of insulating substrates 2a and 2b. The two substrates 2a and 2b have been directly bonded to each other by a bonding method for attaining tenacious bonding, for example, anodic bonding or hydrofluoric acid bonding. A channel 6 has been formed at the interface between the substrates 2a and 2b. Part of the substrate 2a which faces the channel 6 has a carbon electrode 4a formed thereon by sintering a pasty carbon material, the electrode 4a extending along the channel 6. On the other hand, the substrate 2b has a groove 6a serving as the channel 6, and has an electrode 4b made of a metal film formed on a bottom surface of the groove 6a.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: July 23, 2013
    Assignees: Shimadzu Corporation, The Ritsumeikan Trust
    Inventors: Hiroaki Nakanishi, Satoshi Konishi, Keisuke Naka
  • Publication number: 20130129083
    Abstract: The present invention provides an integrated memory circuit applicable to an S-box of a cryptographic circuit, the integrated memory circuit having a row decoder, a column decoder, and a sense amplifier composed of a domino-RSL circuit, wherein data reading and data writing from/to memory cells of a memory cell array are performed via two complementary bit lines, and the transition probability of a signal line is equalized by input of random-number data supplied from a random-number generating circuit using an arbiter circuit.
    Type: Application
    Filed: July 28, 2010
    Publication date: May 23, 2013
    Applicant: THE RITSUMEIKAN TRUST
    Inventor: Takeshi Fujino
  • Publication number: 20130039599
    Abstract: An image transforming device transforms a part of a captured image of an object based on a predetermined type of transformation. The image transforming device includes an obtaining unit that obtains the captured image of the object, a detecting unit that detects characteristic information from the captured image of the object, a grid point setting unit that sets grid points for the captured image, and setting movement information of the grid points based on the control points and the movement information of the control points, and an image transforming unit that transforms an image area by moving the grid points based on the movement information of the grid points.
    Type: Application
    Filed: April 1, 2011
    Publication date: February 14, 2013
    Applicants: THE RITSUMEIKAN TRUST, OMRON Corporation
    Inventors: Hiromatsu Aoki, Yen-Wei Chen, Masataka Seo, Mizuho Ohmura
  • Patent number: 8367263
    Abstract: A fuel cell apparatus is capable of quickly heating a solid electrolyte to a proper temperature in order to perform effective electric power generation. The apparatus includes a fuel cell (1) for generating electric power by cell reacting a fuel gas on an anode-(3) side with oxygen on a cathode-(4) side. The fuel cell (1) includes a solid electrolyte (2) formed of a porous mass and uses a differential pressure to cause the fuel gas on the anode-(3) side to permeate through the solid electrolyte to the cathode-(4) side. The solid electrolyte (2) is heated by combustion reaction of the fuel gas permeated through the solid electrolyte (2) and mixed with the oxygen.
    Type: Grant
    Filed: February 1, 2007
    Date of Patent: February 5, 2013
    Assignee: Ritsumeikan Trust
    Inventors: Yoshinobu Yoshihara, Yasufumi Nakanishi
  • Publication number: 20120229342
    Abstract: An antenna device has a substrate having a first surface and a second surface on the opposite side of the first surface, a first-surface-side conductive layer formed on the first surface of the substrate, a second-surface-side conductive layer formed on the second surface of the substrate, and through hole conductors connecting the first-surface-side conductive layer and the second-surface-side conductive layer. The first-surface-side conductive layer and the second-surface-side conductive layer are formed such that the first-surface-side conductive layer and the second-surface-side conductive layer are connected via the through hole conductors in a crank form from the first surface to second surface of the substrate.
    Type: Application
    Filed: February 28, 2012
    Publication date: September 13, 2012
    Applicants: IBIDEN Co., Ltd., The Ritsumeikan Trust, IBIDEN USA R&D INC.
    Inventors: Tadahiko MAEDA, Masataka Ito, Dongdong Wang, Yoshitsugu Wakazono, Yasuhiko Mano
  • Patent number: 8258509
    Abstract: A micro vacuum gauge includes a substrate, a floating structure that is held above the substrate by a supporting structure extending from the substrate in a state where the floating structure is thermally isolated from the substrate, a heat generator that is arranged in the floating structure to generate heat, and a temperature sensor that is arranged in the floating structure to measure a difference in temperature between the substrate and the floating structure. A second member having a lower emissivity than a first member surrounding the heat generator and the temperature sensor is formed at least on a surface of the floating structure by being joined to the first member.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: September 4, 2012
    Assignee: The Ritsumeikan Trust
    Inventor: Masafuni Kimata
  • Publication number: 20120211371
    Abstract: A porous structure including a pair of electrodes disposed in a flow direction of exhaust gas and a solid electrolyte interposed between the electrodes is arranged in an exhaust passage of an internal combustion engine, and the amount of a particulate matter in exhaust gas is specified based on a potential difference generated between the electrodes.
    Type: Application
    Filed: June 7, 2011
    Publication date: August 23, 2012
    Applicants: The Ritsumeikan Trust, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Nishijima, Shinji Ikeda, Keiichiro Aoki, Yoshinobu Yoshihara, Yasufumi Nakanishi, Takaya Suzuki
  • Publication number: 20120007039
    Abstract: A method of crystal growth is provided which can suppress development of dislocations and cracks and a warp in a substrate. The method of crystal growth of a group III nitride semiconductor has: a step of heating a silicon substrate; and a step of forming a depressed structure on the substrate surface by advance-feeding onto the heated silicon substrate a gas containing at least TMA (trimethylaluminum).
    Type: Application
    Filed: March 3, 2011
    Publication date: January 12, 2012
    Applicants: THE RITSUMEIKAN TRUST, SHARP KABUSHIKI KAISHA
    Inventors: Yoshihiro Ueta, Masataka Ohta, Yoshinobu Aoyagi, Misaichi Takeuchi
  • Publication number: 20110207297
    Abstract: A highly safe method of obtaining chalcopyrite film wherein a Ib group metal and IIIb group metal are sufficiently combined with a VIb group element by only heat treatment without using an atmosphere containing a VIb group element (Se, S, Te). A chalcopyrite film 10 made of a Ib-IIIb-VIb group compound is formed on a bottom electrode 3 that is formed on a substrate 2, by forming a precursor film 7 that includes a Ib group metal and a IIIb group metal on the bottom electrode 3 beforehand, depositing a VIb group element 9 on the precursor film 7, placing a cover 8 over the precursor film 7 on which the VIb group element 9 has been deposited, and with the Ib group metal, IIIb group metal and VIb group element between the bottom electrode 3 and cover 8, heat treatment is performed in an inert atmosphere to combine the Ib group metal and IIIb group metal with the VIb group element.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 25, 2011
    Applicants: SUMITOMO METAL MINING CO., LTD., THE RITSUMEIKAN TRUST
    Inventors: Kiyoshi Yaginuma, Takashi Minemoto, Keiji Tsutsumi
  • Patent number: 7963691
    Abstract: The light pressure rotator (1) is the light pressure rotator being light pressure trapped by irradiation with light and light pressure rotating about the central axis O of rotation, characterized in that a reverse torque generating section generating a torque for rotating the rotator in the direction reverse to the predetermined direction is removed from a section arranged with three blades (2) each having a first side face (3) extending in the radial direction from the central axis O of rotation, a second side face (4) facing the central axis O of rotation, a third side face (5) facing the first side face (3), a lower surface (6) intersecting the central axis O of the rotation, and an upper surface (7) facing the lower surface (6). The light pressure rotating device comprises the light pressure rotator (1), a light source (C), and an objective (condenser) lens D.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: June 21, 2011
    Assignee: The Ritsumeikan Trust
    Inventor: Hiroo Ukita
  • Publication number: 20110012694
    Abstract: [Subject] An object of the present invention is to provide a resonator readily achieving a high resonance frequency without extreme downsizing and allowing for a high Q factor. [Solving Means] A resonator includes: a substrate serving as a base; a first beam having opposite ends fixed to the substrate via fixed connection portions, and having a vibration receiving location for providing linear reciprocating motion in a direction perpendicular to the longitudinal direction thereof; and second beams, branching toward one side from a plurality of branching locations different from the vibration receiving location in the first beam, for generating torsional vibration in accordance with the linear reciprocating motion. The resonator further includes a plurality of third beam, extending from the plurality of branching locations to a side opposite to the plurality of second beams, for generating torsional vibration.
    Type: Application
    Filed: March 3, 2009
    Publication date: January 20, 2011
    Applicants: SANYO ELECTRIC CO., LTD., THE RITSUMEIKAN TRUST
    Inventors: Akimasa Tamano, Mitsuhiro Okada, Kenichiro Suzuki
  • Publication number: 20100327993
    Abstract: A micro mechanical resonator includes a high dielectric substrate, and a torsional vibrator having one end that is a fixed end fixed to high dielectric substrate, and having the other end that is a free end. The torsional vibrator has a substantially circular plate-like shape, has a lower surface serving as the fixed end fixed to the substrate, and has an upper surface serving as the free end that is not fixed. The torsional vibrator torsionally vibrates relative to an axis (torsional vibration axis) connecting the center of the circle of the end surface of the fixed end to the center of the circle of the end surface of the free end. In this way, a micro mechanical resonator can be implemented which can be manufactured readily and achieves a high Q factor.
    Type: Application
    Filed: February 16, 2009
    Publication date: December 30, 2010
    Applicants: SANYO ELECTRIC CO., LTD., THE RITSUMEIKAN TRUST
    Inventors: Akimasa Tamano, Mitsuhiro Okada, Kenichiro Suzuki
  • Patent number: 7728297
    Abstract: There is provided an infrared array sensor, which is capable of positional specification and flow tracking of an object to be detected without performing image processing, and whose cost is low. An infrared array sensor 100 where pixels 101, each having a thermal infrared detector 102 whose electric properties change in accordance with incidence of infrared rays, are arrayed in two-dimensional matrix form, the infrared array sensor 100 including: a row output take-out means 103 configured so as to take out an electric signal to the outside as an output, the electric signal being in accordance with electric properties as a sum of electric properties respectively shown by the thermal infrared detectors 102 on each row; and a column output take-out means 104 configured so as to take out an electric signal to the outside as an output, the electric signal being in accordance with electric properties as a sum of electric properties respectively shown by the thermal infrared detectors 102 on each column.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: June 1, 2010
    Assignee: The Ritsumeikan Trust
    Inventor: Kimata Masafumi
  • Publication number: 20100105992
    Abstract: Object An object of the present invention is to provide a pressure-sensitive conductive yarn capable of detecting different biological information simultaneously when used as an electrode. Means for Achieving the Object A pressure-sensitive conductive yarn comprising a core yarn formed of an elastic yarn around which a winding yarn having conductivity is wound, wherein the winding yarn is a mixed yarn of a conductive fiber and a nonconductive fiber to cause variations in its electrical resistance with elongation or contraction.
    Type: Application
    Filed: October 16, 2009
    Publication date: April 29, 2010
    Applicants: THE RITSUMEIKAN TRUST, OKAMOTO CORPORATION
    Inventors: Syunsuke Oda, Takahiro Araki, Emi Fujita, Masaaki Makikawa
  • Publication number: 20090314062
    Abstract: A fluid actuator includes a piezoelectric body (31), a fluid channel (2) having the piezoelectric body (31) on a part of the inner wall thereof and enabling a fluid to move inside, and a surface acoustic wave generation portion (101) for driving the fluid in the fluid channel by surface acoustic waves generated from a interdigital electrode formed on the surface of the piezoelectric body (31) facing the fluid channel (2). The surface acoustic wave generation portion (101) is arranged at the position offset from the center of the fluid channel (2). The fluid actuator can perform drive with a low voltage and drives the fluid in a narrow fluid channel in a single direction.
    Type: Application
    Filed: December 8, 2006
    Publication date: December 24, 2009
    Applicants: KYOCERA CORPORATION, THE RITSUMEIKAN TRUST
    Inventors: Hirotaka Tsuyoshi, Ryusuke Tsuyoshi, Susumu Suguyama
  • Patent number: 7586440
    Abstract: A linear regression equation is comprised of the objective variables and the explanatory variables. The objective variables are comprised of the L1 carrier phases, the L2 carrier phases, the C/A code pseudorange, the P(Y) code pseudorange, the clock error data, the delay data of the ionosphere, and the delay data of the troposphere that related with every satellite respectively. The explanatory variables are comprised of at least the integer ambiguity and a receiver's position. The receiver's position has been linear-approximated by using the estimation results of the passed receiver's positions. Applying a least square method to the regression equation, the integer ambiguity and the receiver's position is estimated.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: September 8, 2009
    Assignees: The Ritsumeikan Trust, Toyota Jidosha Kabushiki Kaisha
    Inventors: Sueo Sugimoto, Yukihiro Kubo, Kazunori Kagawa, Yasuhiro Tajima, Mitsuru Nakamura