Patents by Inventor Akira Takahashi

Akira Takahashi 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: 20140256831
    Abstract: A hydrogel is provided which is obtained by reacting an azide group and a cyclooctyne group in the absence of a catalyst, especially in the absence of a copper catalyst. The hydrogel has: (a) a first polymer moiety composed of hyaluronic acid, carboxymethyl dextran or the like; (b) a second polymer moiety composed of hyaluronic acid, carboxymethyl dextran or the like, said second polymer moiety being of a kind that is same as or different from the kind of the moiety (a) and is composed of a molecule different from the moiety (a); and (c) a triazole ring group or a derivative group thereof.
    Type: Application
    Filed: May 30, 2012
    Publication date: September 11, 2014
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Taichi Ito, Yukimitsu Suzuki, Akira Takahashi, Atsushi Shimizu
  • Patent number: 8827440
    Abstract: A printer includes a printer unit that performs a recording operation on a recording medium pulled out from a first recording medium holding unit and on a recording medium held by a second recording medium holding unit included in a paper-feeding/paper-reversing unit. The paper-feeding/paper-reversing unit has a third recording medium transportation path in which the side of the recording medium to be subject to simplex recording is switched and through which the recording medium is fed back to a recording unit of the printer unit. The third recording medium transportation path partially overlaps a second recording medium transportation path through which the recording medium is fed to the printer unit.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: September 9, 2014
    Assignees: Citizen Holdings Co., Ltd., Citizen Systems Japan Co., Ltd.
    Inventors: Yutaka Inokuchi, Yuichi Taguchi, Akira Takahashi, Takeshi Yamazaki, Shinya Hosoda
  • Publication number: 20140232277
    Abstract: An LED module includes: a first LED array which includes a plurality of first LEDs connected in series and through which a first branch current flows; a second LED array which includes a plurality of second LEDs 121 connected in series and through which a second branch current flows; and a transistor which is connected to the second LED array in series, and adjusts a second branch current according to a differential voltage between a first total forward voltage and a second total forward voltage. The first total forward voltage is a sum of forward voltages and includes the same number of the forward voltages as the number of the first LEDs. The second total forward voltage is a sum of forward voltages and includes the same number of the forward voltages as the number of the second LEDs.
    Type: Application
    Filed: February 10, 2014
    Publication date: August 21, 2014
    Applicant: Panasonic Corporation
    Inventors: Akira TAKAHASHI, Kazuhiko ITOH
  • Publication number: 20140208015
    Abstract: A memory control system includes: a plurality of I/O circuits; and a power control circuit that performs, when a predetermined condition for usage states of memories is satisfied, and an unused memory is present among the memories, a power consumption reduction process for causing a target I/O circuit to consume less power than an other one of the I/O circuits, the target I/O circuit being an I/O circuit among the I/O circuits that is connected to the unused memory.
    Type: Application
    Filed: March 24, 2014
    Publication date: July 24, 2014
    Applicant: Panasonic Corporation
    Inventors: Takashi MUROYAMA, Akira TAKAHASHI
  • Publication number: 20140193739
    Abstract: It is an object of the present invention to provide an oxygen reducing catalyst having high catalytic activity and high durability using a transition metal (such as titanium); and a method for producing a fuel cell electrode catalyst using the oxygen reducing catalyst. The present invention provides the oxygen reduction catalyst including titanium, carbon, nitrogen, and oxygen as constituent elements at a specific ratio, wherein in XRD measurement using a Cu—K? ray, peaks are each present in at least regions A and B among regions A to D which occupy 2? ranges of 42° to 43°, B: 36.5° to 37°, 25° to 26°, and 27° to 28°, respectively; and each of maximum peak intensities IA, IB, IC, and ID in the regions A to D satisfies both relationships of IA>IB and 0.3?(IA/(IA+IC+ID))?1.
    Type: Application
    Filed: April 13, 2012
    Publication date: July 10, 2014
    Applicant: SHOWA DENKO K.K.
    Inventors: Akira Takahashi, Takuya Imai, Ryuji Monden, Yasuaki Wakizaka, Takashi Sato
  • Patent number: 8760158
    Abstract: A current sensor including a magnetic detecting bridge circuit which is constituted of four magneto-resistance effect elements with a resistance value varied by application of an induced magnetic field from a current to be measured, and which has an output between two magneto-resistance effect elements. The four magneto-resistance effect elements have the same resistance change rate, and include a self-pinned type ferromagnetic fixed layer which is formed by anti-ferromagnetically coupling a first ferromagnetic film and a second ferromagnetic film via an antiparallel coupling film therebetween, a nonmagnetic intermediate layer, and a soft magnetic free layer. Magnetization directions of the ferromagnetic fixed layers of the two magneto-resistance effect elements providing the output are different from each other by 180°. The magnetic detecting bridge circuit has wiring symmetrical to a power supply point.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: June 24, 2014
    Assignee: Alps Green Devices Co., Ltd.
    Inventors: Kenji Ichinohe, Masamichi Saito, Akira Takahashi, Yosuke Ide
  • Patent number: 8754642
    Abstract: A magnetic balance type current sensor includes a magnetoresistance effect element whose resistance value changes owing to the application of an induction magnetic field from a current to be measured; a feedback coil disposed in the vicinity of the magnetoresistance effect element and generating a cancelling magnetic field cancelling out the induction magnetic field; a magnetic field detection bridge circuit including two outputs causing a voltage difference corresponding to the induction magnetic field to occur; and a magnetic shield attenuating the induction magnetic field and enhancing the cancelling magnetic field, wherein, on the basis of the current flowing through the feedback coil at the time of an equilibrium state in which the induction magnetic field and the cancelling magnetic field are cancelled out, the current to be measured is measured, wherein the feedback coil, the magnetic shield, and the magnetic field detection bridge circuit are formed on a same substrate.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: June 17, 2014
    Assignee: Alps Green Devices., Ltd.
    Inventors: Yosuke Ide, Masahiro Iizuka, Masamichi Saito, Akira Takahashi, Hideharu Matsuo, Tsuyoshi Nojima, Shigenobu Miyajima, Naoki Sakatsume, Kenji Ichinohe, Yoshihiro Nishiyama, Tatsuya Kogure, Hidekazu Kobayashi
  • Patent number: 8744093
    Abstract: An active vibration/noise control device which is provided with a plurality of cancel signal generation parts for generating output signals for respectively cancelling noises generated at a plurality of vibration/noise generation sources. The effect of the suspension of either of first and second cancel signal generation parts on the other is reduced. According to the operating state of the first cancel signal generation part, the simulated transmission properties of the second cancel signal generation part are adjusted. Consequently, without regard to the operating state of the first cancel signal generation part, the noise control performance of the second cancel signal generation part can be maintained.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: June 3, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Kosuke Sakamoto, Toshio Inoue, Akira Takahashi, Yasunori Kobayashi
  • Publication number: 20140123611
    Abstract: A sealed honeycomb structure which can suppress increase of pressure loss and improve durability favorably is disclosed. A sealed honeycomb structure 100 including includes a honeycomb structure having porous walls dividedly forming inlet cells and outlet cells, an outlet side sealing portion, and an inlet side sealing portion, wherein an opening area of the inlet cell is larger than an opening area of an outlet cell on a cross-section of the honeycomb structure, wherein at least one outlet cell is a reinforced cell where a reinforcing part for reinforcing the outlet cell is formed at at least one corner portion at which the walls on a cross-section vertical to an extending direction of the cell cross each other, and wherein the inlet cell is a non-reinforced cell where the reinforcing part is not formed at all the corner portions at which the walls on the cross-section vertical to the extending direction of the cell cross each other.
    Type: Application
    Filed: March 30, 2012
    Publication date: May 8, 2014
    Applicants: HYUNDAI MOTOR COMPANY, NGK INSULATORS, LTD, KIA MOTORS CORPORATION
    Inventors: Tetsuo Toyoshima, Akira Takahashi, Yuichi Hamazaki, Jung Min Seo, Won Soon Park
  • Publication number: 20140127453
    Abstract: A sealed honeycomb structure may include porous walls dividedly forming inlet cells and outlet cells extending from an end surface of an inlet side to an end surface of an outlet side, an outlet side sealing portion, and an inlet side sealing portion, wherein at least one outlet cell is a reinforced cell, where a reinforced part for reinforcing the outlet cell is formed at at least one corner portion at which the walls on a cross-section vertical to an extending direction of the cell cross each other, and wherein the inlet cell is a non-reinforced cell where the reinforced part is not formed at all the corner portions at which the walls on the cross-section vertical to the extending direction of the cell cross each other.
    Type: Application
    Filed: March 30, 2012
    Publication date: May 8, 2014
    Applicants: HYUNDAI MOTOR COMPANY, NGK INSULATORS, LTD., KIA MOTORS CORPORATION
    Inventors: Tetsuo Toyoshima, Akira Takahashi, Yuichi Hamazaki, Jung Min Seo, Won-Soon Park
  • Publication number: 20140120454
    Abstract: A fuel cell electrode catalyst which includes, at least, M1 that is at least one element selected from 3 to 7 group transition metal elements; M2 that is at least one element selected from iron group elements; M3 that is at least one element selected from 13 group elements; carbon; nitrogen; and oxygen, as constitutional elements, wherein when the atomic ratios of the elements (M1:M2:M3:carbon:nitrogen:oxygen) are represented by a:b:c:x:y:z, 0<a<1, 0<b?0.5, 0<c<1, 0<x?6, 0<y?2, 0<z?3 and a+b+c=1, and BET specific surface area is 100 m2/g or more.
    Type: Application
    Filed: January 12, 2012
    Publication date: May 1, 2014
    Applicant: SHOWA DENKO K.K.
    Inventors: Akira Takahashi, Masaki Horikita, Takuya Imai, Yasuaki Wakizaka, Takashi Sato
  • Patent number: 8712664
    Abstract: In a vehicle control apparatus employing a first speed self-adjustment control system configured to control a speed of a host vehicle based on a first command value, in a manner so as to maintain a distance of the host vehicle from a preceding vehicle or to maintain a set speed, a second speed self-adjustment control system is provided for controlling the host vehicle's speed based on a second command value determined based on information about a lateral acceleration acting on the host vehicle. Also provided is a deceleration selector configured to select either one of the first and second command values, which selected command value produces a greater deceleration exerted on the host vehicle. A control unit is configured to control the host vehicle's speed by driving an actuator based on the selected command value.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: April 29, 2014
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Toshiya Oosawa, Hiroki Sonoda, Akira Takahashi
  • Patent number: 8686305
    Abstract: This invention is directed to providing a handle switch which is easy in operating a horn switch and also can be easily distinguished from other switches. In a handle switch 30 of a vehicle, a horn switch 32 is disposed at a position which is overlaid on an axis line (D) of a handle grip 10 when a housing 60 is projected from a driver's front view direction and also on the vehicle body rear side further than other switches. Other switches including an optical-axis changing switch 31 and a turn signal switch 33 are disposed so as to deviate vertically with respect to the horn switch 32. The horn switch 32 is formed so as to be longer in the axis line direction of the handle grip 10, swinging about a swing shaft 36 installed at the end closer to the handle grip 10 by being pressed toward the vehicle body front side.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: April 1, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Shigeru Kodaira, Koichi Shimamura, Kota Nakahira, Akira Takahashi
  • Patent number: 8674215
    Abstract: This invention aims to provide a photpelectrical device with a superior conversion efficiency, which comprises an electron transport layer giving a superior electron-transporting performance and a sufficiently large dimentional interface. The photoelectric device further comprises a pair of electrode and a hole transport layer with the electron transport layer and the hole transport layer being interposed between electrodes. The electron transport layer is made of an organic compound having a redox moiety capable of being oxidized and reduced repeatedly. The organic compound is included in a gel layer containing an electrolyte solution which stabilizes a reduction state of the redox moiety.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: March 18, 2014
    Assignees: Panasonic Corporation, Waseda University
    Inventors: Takashi Sekiguchi, Hiroyuki Nishide, Kenichi Oyaizu, Fumiaki Kato, Akira Takahashi, Takeyuki Yamaki, Mitsuo Yaguchi, Michio Suzuka, Satoko Kambe
  • Publication number: 20140071194
    Abstract: A printer includes a printer unit that performs a recording operation on a recording medium pulled out from a first recording medium holding unit and on a recording medium held by a second recording medium holding unit included in a paper-feeding/paper-reversing unit. The paper-feeding/paper-reversing unit has a third recording medium transportation path in which the side of the recording medium to be subject to simplex recording is switched and through which the recording medium is fed back to a recording unit of the printer unit. The third recording medium transportation path partially overlaps a second recording medium transportation path through which the recording medium is fed to the printer unit.
    Type: Application
    Filed: June 28, 2013
    Publication date: March 13, 2014
    Inventors: Yutaka Inokuchi, Yuichi Taguchi, Akira Takahashi, Takeshi Yamazaki, Shinya Hosoda
  • Publication number: 20140059863
    Abstract: A cutter includes a replaceable blade detachably attached to a cutter body. A main body block of the cutter body includes a container section that houses a slide block, a main body supporting section, and a main body connecting section that connects with the replaceable blade. The slide block includes a rear-side supporting section, a slide connecting section, a flexible section, and a wing section. A front side retaining section that retains the wing section from a front side is formed in at least one side of the container section in a height direction, and the front side retaining section includes a protruding engaging section. In an attached state, the wing section is engaged from a foreside by the protruding engaging section, and the wing section is released from the protruding engaging section by bending the flexible section of the slide block from the attached state.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 6, 2014
    Applicant: FEATHER SAFETY RAZOR CO., LTD.
    Inventors: Masao Ichiyanagi, Akira Takahashi
  • Publication number: 20140050939
    Abstract: A surface-treated metal material of the present invention has a composite film on the surface of a metal material. The composite film includes an organic silicon compound (W) having cyclic siloxane bonds, at least one metal compound (X) selected from a group consisting of a titanium compound and a zirconium compound, a phosphate compound (Y) and a fluorine compound (Z). In each of the components of the composite film, the ratio of XS/WS is from 0.06 to 0.16, where WS is a solid mass of Si derived from the organic silicon compound (W) and XS is a solid mass of at least one metal component selected from a group consisting of Ti and Zr included in the metal compound (X); the ratio of YS/WS is from 0.15 to 0.31, where WS is the solid mass of Si and YS is a solid mass of P derived from the phosphate compound (Y); and the ratio of ZS/WS is from 0.08 to 0.50, where WS is the solid mass of Si and ZS is a solid mass of F derived from the fluorine compound (Z).
    Type: Application
    Filed: April 26, 2012
    Publication date: February 20, 2014
    Applicants: NIHON PARKERIZING CO., LTD., NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Atsushi Morishita, Taihei Kaneto, Yoshio Kimata, Akira Takahashi, Ikuo Kikuchi, Hidehiro Yamaguchi, Shinji Nomura
  • Patent number: 8653952
    Abstract: A power line communication system includes a plurality of communication nodes, a communication line coupling the communication nodes, a direct current power line coupling a connection point of the communication line with one of a positive terminal of a battery and a supply terminal of a load, and a capacitor coupled between the direct current power line and a ground. The communication nodes communicate with each other by superimposing a high frequency signal having a wavelength of ? to the communication line. The capacitor is coupled with the direct current power line at a position where a line length from the connection point is (n×?/2+?/4), where n is a natural number including zero.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: February 18, 2014
    Assignees: DENSO CORPORATION, Nippon Soken, Inc.
    Inventors: Taiji Abe, Yuji Sugimoto, Akira Takahashi
  • Patent number: 8634571
    Abstract: In an acoustic control system an operation range of an active type noise control device (an ANC device) and an operation range of an active type effect sound control device (an ASC device) are exchanged in accordance with the number of working cylinders of an engine.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: January 21, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Kosuke Sakamoto, Toshio Inoue, Akira Takahashi, Yasunori Kobayashi, Shungo Fueki
  • Publication number: 20130323375
    Abstract: A method for sterilizing fruits and vegetables includes irradiating a surface of fruits and vegetables with UVA, while the surface of the fruits and vegetables is in contact with chlorine water containing sodium hypochlorite having a chlorine concentration of 5 ppm or more. According to the method for sterilizing fruits and vegetables, the fruits and vegetables can be quite efficiently sterilized by chlorine water having a quite low concentration, that is 5 ppm or more, slightly higher than that of tap water. Further, multiplication of bacteria in the sterilized fruits and vegetables can be effectively prevented, while a residual chlorine concentration in the sterilized fruits and vegetables is significantly reduced.
    Type: Application
    Filed: November 4, 2011
    Publication date: December 5, 2013
    Applicant: The University Of Tokushima
    Inventors: Akira Takahashi, Yohsuke Kinouchi, Masatake Akutagawa, Xin Lian