Patents by Inventor Takuya Okamoto

Takuya Okamoto 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: 10913680
    Abstract: The purpose of the present invention is to provide a lead-free glass composition in which crystallization is suppressed and which has a low softening point. This lead-free glass composition is characterized by containing silver oxide, tellurium oxide and vanadium oxide, and further containing at least one compound selected from among yttrium oxide, lanthanum oxide, cerium oxide, erbium oxide, ytterbium oxide, aluminum oxide, gallium oxide, indium oxide, iron oxide, tungsten oxide and molybdenum oxide as an additional component, and in that the content values (mol %) of silver oxide, tellurium oxide and vanadium oxide satisfy the relationships Ag2O>TeO2?V2O5 and Ag5O?2V2O5 when calculated in terms of the oxides, and in that the content of TeO2 is 25-37 mol. %.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: February 9, 2021
    Assignee: HITACHI, LTD.
    Inventors: Takashi Naito, Takuya Aoyagi, Tatsuya Miyake, Takeshi Kondo, Hiroki Kaneko, Kazutaka Okamoto
  • Publication number: 20210031268
    Abstract: Provided is a method of manufacturing a soft magnetic dust core. The method includes: preparing coated powder including amorphous powder made of an Fe-B-Si-P-C-Cu-based alloy, an Fe-B-P-C-Cu-based alloy, an Fe-B-Si-P-Cu-based alloy, or an Fe-B-P-Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.
    Type: Application
    Filed: October 21, 2020
    Publication date: February 4, 2021
    Applicants: JFE STEEL CORPORATION, JFE PRECISION CORPORATION, TOKIN CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Naomichi NAKAMURA, Makoto NAKASEKO, Takuya TAKASHITA, Mineo MURAKI, Hoshiaki TERAO, Raita WADA, Akiri URATA, Yu KANAMORI, Makoto YAMAKI, Koichi OKAMOTO, Toshinori TSUDA, Shoichi SATO, Kimihiro OZAKI
  • Patent number: 10909736
    Abstract: An information processing apparatus includes an output unit. When pieces of additional information are extracted, the pieces of additional information being disposed in copies of an identical image and satisfying a predetermined condition, the output unit outputs data in which combined additional information is disposed in the image. The combined additional information is information in which the pieces of additional information are combined.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: February 2, 2021
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takenori Matsuo, Rumiko Kakehi, Atsushi Maruyama, Naoki Okamoto, Takuya Okamoto
  • Publication number: 20210028857
    Abstract: There is provided an optical transmission system in which a plurality of optical transmission and reception apparatuses perform 1-to-N transmission and reception of optical signals (N is an integer equal to or greater than 1), the optical transmission system being configured to select a communication condition that includes at least a modulation scheme or a baud rate and is a communication condition when each of the optical transmission and reception apparatuses performs transmission and reception in accordance with a transmission line condition that is between any one first optical transmission and reception apparatus and each of second optical transmission and reception apparatuses, which are N grounds, other than the first optical transmission and reception apparatus.
    Type: Application
    Filed: March 1, 2019
    Publication date: January 28, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Fumikazu INUZUKA, Shokei KOBAYASHI, Akira HIRANO, Wataru KAWAKAMI, Tetsuro INUI, Seiki KUWABARA, Kei KITAMURA, Takafumi TANAKA, Takuya ODA, Hideki NISHIZAWA, Seiji OKAMOTO
  • Patent number: 10896676
    Abstract: A server system includes: a related word storage unit that stores information representing a relation between a plurality of registered words; a content storage unit that stores information about a content corresponding to any one of the plurality of words; a communication unit that acquires an input word; a related word search unit that searches for a related word, which is related to the acquired input word, by using the related word storage unit; and a content determination unit that provides a user with any of information about a content corresponding to the input word and information about a content corresponding to the related word.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: January 19, 2021
    Assignee: CLARION CO., LTD.
    Inventors: Yusuke Matsumoto, Makoto Orino, Takuya Fujieda, Kimio Okamoto, Noriyuki Abe
  • Publication number: 20210009776
    Abstract: A prepreg contains: a reinforcing fiber material; and a resin composition with which the reinforcing fiber material is impregnated. The resin composition contains an epoxy resin, an amine curing agent, and an imidazole curing agent. An amount of the amine curing agent is less than or equal to 3.8 parts by mass, relative to 100 parts by mass of the epoxy resin, and a sum of the amount of the amine curing agent and an amount of the imidazole curing agent is less than or equal to 10 parts by mass, relative to 100 parts by mass of the epoxy resin. The fiber-reinforced composite material is a cured product of the prepreg.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 14, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takuya TERANISHI, Satoshi OKAMOTO, Akira OOTA, Masahiro ICHINO
  • Publication number: 20210013963
    Abstract: A state estimating device includes a pre-processing unit and an estimating unit. The pre-processing unit acquires data representing at one or more of a phase of a signal transmitted from a transmission unit of a transmission device and received at a reception unit of another transmission device via a transmission path, a reception strength, a reception quality, a voltage after conversion into an electric signal, and a signal processing parameter used in reception processing, and processes the acquired data into feature data to be used for state estimation. The estimating unit estimates a state of the transmission path, an abnormal state of the transmission unit, or an abnormal state of the reception unit, on the basis of the feature data.
    Type: Application
    Filed: February 13, 2019
    Publication date: January 14, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Seiki KUWABARA, Wataru KAWAKAMI, Hideki NISHIZAWA, Seiji OKAMOTO, Akira HIRANO, Shokei KOBAYASHI, Tetsuro INUI, Takuya ODA, Fumikazu INUZUKA, Takafumi TANAKA
  • Patent number: 10847103
    Abstract: Provided is a display control device which can display image data with improved quality while consuming less electric power. A display control section (201) includes a first frame rate setting section (22) configured to set a frame rate in accordance with a determination result determined by an image data update determining section (21) which is configured to determine, for each preset image data update period, whether image data is updated.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: November 24, 2020
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takuya Okamoto, Kenji Maeda
  • Patent number: 10837801
    Abstract: A vehicle includes: a traction motor; and a drive controller. The traction motor includes a rotational position sensor configured to detect a rotational position of a rotor magnetically. The drive controller controls a driving current output to the traction motor. The drive controller is able to switch a control mode of the driving current between a sensing control mode configured to control the driving current by using a detection result from the rotational position sensor and a sensing-less control mode configured to control the driving current without using a detection result from the rotational position sensor.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 17, 2020
    Assignee: SUBARU CORPORATION
    Inventors: Fumiyuki Moriya, Takuya Horie, Tomofumi Okamoto
  • Patent number: 10836260
    Abstract: A vehicle includes: a traction motor; a diagnostic module; a receiving coil; and a controller. The diagnostic module executes a diagnostic test of a rotational position sensor of the traction motor. The receiving coil receives a power wirelessly. The controller switches the diagnostic module to a state that is less likely to determine an error than normal when the receiving coil is positioned with respect to a supplying coil in a ground equipment.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 17, 2020
    Assignee: SUBARU CORPORATION
    Inventors: Fumiyuki Moriya, Tomofumi Okamoto, Takuya Horie
  • Publication number: 20200293610
    Abstract: A document editing apparatus includes a receiver, a processor, and a bundling unit. The receiver is configured to receive an operation of bundling plural documents. The processor is configured to, when the receiver receives the operation of bundling during editing of a part of the plural documents, perform a process for bundling the plural documents. The bundling unit is configured to, when the editing of the part of the plural documents is completed, bring the plural documents into a state in which an editing result of the part of the plural documents is reflected and the plural documents are bundled, using a process result by the processor.
    Type: Application
    Filed: August 13, 2019
    Publication date: September 17, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Takuya OKAMOTO
  • Patent number: 10777725
    Abstract: A thermoelectric generator includes a tube in which a first fluid flows, a power generation module, a holding member, and a heat exchanging fin. The power generation module includes a thermoelectric conversion element. The holding member holds a stacked body in which the power generation module and the tube are stacked with each other such that heat can be transferred between the power generation module and the tube. Both end portions of the holding member are located and fixed outside both ends of the stacked body. The heat exchanging fin includes a pair of end fin portions provided on the reverse surface of the holding member at portions corresponding to the both ends of the stacked body, and an intermediate fin located between the pair of end fin portions and higher in stiffness than the pair of end fin portions.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: September 15, 2020
    Assignee: DENSO CORPORATION
    Inventors: Takuya Matsuda, Shinya Kitagawa, Yoshiyuki Okamoto
  • Publication number: 20200286419
    Abstract: A display panel of a display device includes a plurality of pixels each including a self-light-emitting element as a light source. In a non-display period of the display panel, the display panel detects deterioration data indicating the deterioration condition of the display panel. In the non-display period of the display panel, a host device of the display device generates a correction parameter for correcting the gradation value of each pixel of the input image based on the deterioration data obtained from the display panel.
    Type: Application
    Filed: March 3, 2020
    Publication date: September 10, 2020
    Inventor: TAKUYA OKAMOTO
  • Patent number: 10767065
    Abstract: An object is to provide a non-aqueous inkjet ink composition offering excellent wettability, fixing property, solid-fill property, anti-mottling property, as well as discharge stability, even when printed at high speed on a matter to be printed whose printing side is constituted by a polyvinyl chloride or ethylene-vinyl acetate copolymer or other vinyl polymer, etc. As means for achieving the object, a non-aqueous inkjet ink composition containing an acrylic resin, a pigment, a pigment dispersant, and an organic solvent, is provided, wherein such non-aqueous inkjet ink composition is characterized by containing, as the organic solvent, a propylene carbonate and a diethylene glycol dialkyl ether, wherein the propylene carbonate is compounded by 5 to 25 percent by mass in the ink composition, while the diethylene glycol dialkyl ether is compounded in a manner providing a ratio of diethylene glycol dialkyl ether/propylene carbonate falls in a range of 3 to 8.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: September 8, 2020
    Assignee: SAKATA INX CORPORATION
    Inventors: Yoichi Sato, Okinori Nakashima, Yoshiyuki Aoki, Jun Kinjyo, Takuya Okamoto
  • Patent number: 10767068
    Abstract: A photocurable inkjet printing ink composition contains a photopolymerizable compound and a photopolymerization initiator, wherein in 100 percent by mass of the photocurable inkjet printing ink composition, included are: an acrylamide-based monomer by 5.0 to 50 percent by mass; a monofunctional monomer other than acrylamide-based monomer by 15 to 70 percent by mass; a polymerizable compound having two or more functionalities by 5.0 to 30.0 percent by mass; vinyl caprolactam by 0.1 to 15 percent by mass and/or an acrylated amine compound having two photopolymerizable functional groups and two amino groups in the molecule by 0 to 10 percent by mass; and the percentage of monofunctional monomers in the photopolymerizable compound is 60 to 99.5 percent by mass.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: September 8, 2020
    Assignee: SAKATA INX CORPORATION
    Inventors: Okinori Nakashima, Takuya Myose, Takuya Okamoto, Kazuhiro Fuke
  • Publication number: 20200262221
    Abstract: A liquid ejection apparatus includes a conveying unit, a winding unit, a printing unit, and a rotation control unit. The conveying unit is configured to intermittently convey a printing medium by a predetermined feed amount. The winding unit is configured to wind the printing medium conveyed by the conveying unit. The printing unit is configured to perform printing on the conveyed printing medium. The rotation control unit is configured to control the winding unit to rotate in a winding direction at a predetermined timing after the conveying unit has started to convey the printing medium intermittently, and then cause the winding unit to rotate in a reverse direction opposite to the winding direction.
    Type: Application
    Filed: February 11, 2020
    Publication date: August 20, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Suguru Yokozawa, Suguru Masunaga, Takuya Okamoto
  • Patent number: 10708862
    Abstract: A control apparatus to control a plurality of process executing apparatuses, the control apparatus including: a communication unit; and a processor. The processor transmits a request to execute predetermined processing common to the process executing apparatuses, a request to change to an energy saving mode, and a request to change to a normal mode, to each of the process executing apparatuses via the communication unit, and performs control of transmission of the request to execute the predetermined processing, the request to change to the energy saving mode, and the request to change to the normal mode, such that one of the process executing apparatuses executes the predetermined processing while a rest of the process executing apparatuses is in the energy saving mode, and such that all the process executing apparatuses execute the predetermined processing in sequence.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: July 7, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Toshihiro Kiuchi, Muneyuki Ishihara, Tsuyoshi Horiguchi, Hiroshi Suzuki, Ken Fujita, Takehito Morimatsu, Tomohiko Murakami, Naoya Okamoto, Takuya Koiso
  • Patent number: 10677184
    Abstract: An object of the invention is to provide a drive device of a fuel injection device which can increase the accuracy in an injected fuel injection amount by combining the fuel injections from a plurality of injection pulse widths. In the drive device of the fuel injection device which has a function of driving the fuel injection device such that the fuel injection is performed plural times in one combustion cycle, the fuel injection device is driven such that a fuel injection at a target opening level in which a valve element or a movable element of the fuel injection device reaches a regulation member and a fuel injection at an intermediate opening level in which the valve element does not reach the regulation member are included in the plural times of division injections performed in one combustion cycle.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: June 9, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Ryo Kusakabe, Toshihiro Aono, Motoyuki Abe, Takuya Mayuzumi, Masahiro Toyohara, Takashi Okamoto, Osamu Mukaihara, Shinji Nakagawa, Yusuke Kihara
  • Patent number: 10668427
    Abstract: An acid gas recovery method includes removing acid gas from a target gas by bringing the target gas containing the acid gas into gas-liquid contact with an absorbent amine solution and causing the absorbent amine solution to absorb the acid gas; regenerating the absorbent amine solution by releasing the acid gas from the absorbent amine solution that has absorbed the acid gas; causing a chelate resin to adsorb iron ions from the absorbent amine solution by causing the absorbent amine solution to pass through the chelate resin; causing a regenerant solution to pass through a chelate resin having iron ions adsorbed thereon; regenerating the chelate resin and obtaining a regenerant solution containing the iron ions and quantitatively measuring the iron ions in the regenerant solution containing the iron ions and calculating a concentration of iron ions in the absorbent amine solution.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: June 2, 2020
    Assignee: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Takuya Hirata, Shinichi Okamoto, Hiromitsu Nagayasu, Masaru Chiyomaru, Tatsuya Tsujiuchi
  • Publication number: 20200155996
    Abstract: A method for recovering an acidic gas, includes: a step of bringing a gas to be treated that contains an acidic gas into gas-liquid into contact with an amine absorbing solution, allowing the amine absorbing solution to absorb the acidic gas, thereby removing the acidic gas from the gas to be treated; a step of allowing the amine absorbing solution that has absorbed the acidic gas to release the acidic gas, thereby regenerating the amine absorbing solution, and at the same time, recovering the released acidic gas; and an analysis step of calculating concentrations of iron ions and/or heavy metal ions in the amine absorbing solution.
    Type: Application
    Filed: October 16, 2018
    Publication date: May 21, 2020
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Shinichi Okamoto, Shinji Nakamura, Takuya Hirata