Patents by Inventor Yasuhiro Oda

Yasuhiro Oda 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: 20230192984
    Abstract: A bladder for tire vulcanizing containing a crosslinked fluoroelastomer obtained by peroxide-crosslinking a fluoroelastomer composition including a peroxide-crosslinkable fluoroelastomer (A), a carbon black (B), and a peroxide cross-linking agent (C), wherein the crosslinked fluoroelastomer has a hardness at 25° C. of 60 to 90, a number of foreign particles selected from the group consisting of lumps of carbon and carbon grit having an aspect ratio of 1.1 or less and a Heywood diameter of 5 ?m or more present on a fracture surface obtained by tensile fracture of the crosslinked fluoroelastomer at 170° C. is 10/mm2 or less, and the fluoroelastomer (A) includes a vinylidene fluoride (VdF) fluoroelastomer.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 22, 2023
    Applicants: DAIKIN INDUSTRIES, LTD., BRIDGESTONE CORPORATION
    Inventors: Masashi ARAI, Daisuke OHTA, Akinori UEDA, Yasuhiro ODA, Junichi ORIDE
  • Publication number: 20210162634
    Abstract: Provided is a tire vulcanizing bladder comprising fluororubber, wherein a plurality of grooves extending in a width direction are formed on a circumference of an outer surface of the tire vulcanizing bladder, and a plurality of recesses connecting the grooves to each other are formed between the grooves. Also provided is a pneumatic tire comprising one or more fluorine-containing particles having a maximum diameter of 1.0 ?m or more per area of 100 ?m2 of a tire inner surface, wherein a plurality of bladder ridges extending in a tire width direction are formed on a circumference of the tire inner surface, and a plurality of protrusions connecting the bladder ridges to each other are formed between the bladder ridges.
    Type: Application
    Filed: June 14, 2018
    Publication date: June 3, 2021
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Junichi ORIDE, Yasuhiro ODA, Isao MATSUMURA, Yuya MORITA
  • Publication number: 20210141710
    Abstract: The present invention makes efficient development possible by providing a development support device that automatically establishes a network model, messages to be transmitted and received, etc. for a cooperative simulation that connects a plurality of development support devices. The present invention is characterized in that: a development support device generates a communication definition file in a format that can be read and executed by a development support device; and development support device reads the communication definition file and thereby automatically establishes messages to be transmitted and received by development support device.
    Type: Application
    Filed: July 18, 2018
    Publication date: May 13, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Yuichi KOMORIYA, Yuki HORITA, Yasuhiro ODA, Fumio NARISAWA, Masato HAYASHI, Kohei SAKURAI, Takuya AZUMI, Syota TOKUNAGA
  • Publication number: 20200392304
    Abstract: A fluoroelastomer composition, and a crosslinked fluoroelastomer obtained by crosslinking the fluoroelastomer composition. The fluoroelastomer composition contains 10 to 60 parts by mass of a carbon black (B) and 0.1 to 10 parts by mass of a peroxide cross-linking agent (C) per 100 parts by mass of a peroxide-crosslinkable fluoroelastomer (A). The carbon black (B) has a number of foreign particles of 30/mm2 or less measured as described herein.
    Type: Application
    Filed: February 22, 2019
    Publication date: December 17, 2020
    Applicants: DAIKIN INDUSTRIES, LTD., BRIDGESTONE CORPORATION
    Inventors: Masashi ARAI, Daisuke OHTA, Akinori UEDA, Yasuhiro ODA, Junichi ORIDE
  • Publication number: 20200180249
    Abstract: An object of the present disclosure is to provide a tire production method which effectively inhibits the migration of sulfur to a vulcanizing bladder in a process of vulcanizing an unvulcanized tire provided at an inner surface thereof with a member having a high concentration of sulfur. Specifically, a tire production method includes a vulcanization process of vulcanizing an unvulcanized tire which is provided, in at least a portion of the innermost surface thereof, with a high sulfur concentration rubber member made of a rubber composition containing sulfur by ?1.0 parts by mass with respect to 100 parts by mass of a rubber component, wherein the vulcanization process employs a vulcanizing bladder made of a rubber composition for a bladder, which rubber composition contains fluororubber by 50 mass % to 100 mass %.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 11, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Junichi ORIDE, Yasuhiro ODA, Ryuji IZUMOTO
  • Patent number: 9923281
    Abstract: A disclosed dual antenna system includes a receiving antenna which includes a first surface orthogonal to an incident wave, the first surface being a first antenna aperture, and a transmitting antenna which includes a second surface parallel to a reflection direction which is a transmission direction, the second surface being a second antenna aperture. A portion of a structure of the transmitting antenna is shared by the receiving antenna.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: March 20, 2018
    Assignees: NTT DOCOMO, INC., TOHOKU UNIVERSITY
    Inventors: Tamami Maruyama, Yasuhiro Oda, Jianfeng Li, Qiaowei Yuan, Qiang Chen, Kunio Sawaya
  • Patent number: 9620862
    Abstract: A reflectarray reflects an incident wave in a desired direction, and the reflectarray includes a plurality of elements arranged in a first direction and in a second direction perpendicular to the first direction. The elements reflect the incident wave. A phase of a reflected wave by one element among the plurality of elements differs from a phase of the reflected wave by an element adjacent to the one element in the first direction by a predetermined value, and the phase of the reflected wave by the one element is equal to a phase of the reflected wave by an element adjacent to the one element in the second direction. Gap sizes between patches of a predetermined plural number of elements arranged in the first direction vary from a smallest value to a largest value. Here, an oblique TM incidence is utilized at a spurious resonance frequency.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: April 11, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Jiyun Shen, Ngoc Hao Tran
  • Patent number: 9620864
    Abstract: A method of designing a reflectarray including a substrate having a surface perpendicular to a predetermined axis, wherein elements are disposed on the substrate. The method obtains a reflection phase of the elements as a function of a design parameter such as element spacing, when a radio wave enters the arranged elements, and stores a relationship between the reflection phase and the design parameter in a memory. Here, the design parameter is equally set for the elements. The method repeatedly determines, for each of the elements, the design parameter of a specific element in accordance with the relationship. The function of the design parameter has a range of almost 360 degrees with respect to a range of the design parameter. The reflection phase is the continuous function of the element spacing such that two resonant points occur at which the reflection phase becomes zero.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: April 11, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Hidetoshi Kayama, Ngoc Hao Tran, Jiyun Shen
  • Patent number: 9537221
    Abstract: A reflectarray having multiple elements arranged in an array, each element having a H-shaped patch provided in separation from a ground plate, the H-shaped patch formed by four outer vertices defined by two rectangular outer patches and four inner vertices defined by an inner patch. A length of the inner patch with respect to a first direction is determined to change the reflection phase of an electric field incoming in parallel to the first direction while keeping positions of the four outer vertices and sizes of the outer patches constant. The first direction is determined by positions of the four inner vertices, and a length of the H-shaped patch with respect to a second direction is determined to change the reflection phase of an electric field incoming in parallel to the second direction, wherein the second direction is determined by positions of the four outer vertices.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: January 3, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Jiyun Shen, Ngoc Hao Tran
  • Patent number: 9531079
    Abstract: A reflectarray reflects an incident wave in a desired direction. The reflectarray includes a substrate including a surface which is perpendicular to a predetermined axis; and at least first and second element groups, wherein the first and second element groups are disposed on the substrate, and include elements that reflect a radio wave. The first element group and the second element group reflect the radio wave with corresponding reflection phases which are different from each other. The radio wave enters while forming an angle other than 0 degrees with respect to the predetermined axis. The elements included in the first element group reflect the radio wave with a first reflection phase, and the elements included in the second element group reflect the radio wave with a second reflection phase, wherein the second reflection phase is different from the first reflection phase.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: December 27, 2016
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Hidetoshi Kayama, Ngoc Hao Tran, Jiyun Shen
  • Patent number: 9425512
    Abstract: A reflectarray reflects an incident wave in a desired direction. The reflectarray includes a substrate including a surface which is perpendicular to a predetermined axis, and elements disposed on the substrate. A specific element among the elements reflects the incident wave with a specific reflection phase among a plurality of reflection phases. Each of the elements has an element structure including, at least, a patch and a ground plate. Element spacing of first neighboring elements is different from element spacing of second neighboring elements, and a length of a gap between patches of the first neighboring elements is equal to a length of a gap between patches of the second neighboring elements.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: August 23, 2016
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Hidetoshi Kayama, Jiyun Shen, Ngoc Hao Tran
  • Patent number: 9342643
    Abstract: A timing analysis device includes a storage unit and a processing unit. The processing unit performs storage processing and analysis processing. The storage processing stores circuit information of a circuit to be analyzed, timing constraint information defining timing constraints on the circuit, delay information defining a plurality of delay values associated with a plurality of cells constituting the circuit, and delay upper limit information including at least one delay upper limit for setting an upper limit to the plurality of delay values associated with the plurality of cells into a storage unit. The analysis processing generates a timing analysis result of a circuit to be analyzed, with delay value change processing that changes at least one of the plurality of delay values to the delay upper limit, using the changed delay upper limit in addition to the circuit information, the timing constraint information and the delay information.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: May 17, 2016
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Yasuhiro Oda
  • Patent number: 9337942
    Abstract: A propagation path estimation method using an imaging method according to the invention includes a step of, in a case where a reflectarray which causes reflection and scattering in a different direction (???)° from a specular reflection direction ?° exists on a propagation path from a transmission point to a reception point RX of the radio wave, calculating a virtual reception point VRX by rotating the reception point RX about a rotation center point O, and estimating the propagation path by using the virtual reception point VRX.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: May 10, 2016
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Tatsuo Furuno, Tomoyuki Ohya, Yasuhiro Oda, Ngoc Hao Tran, Jiyun Shen
  • Patent number: 9264157
    Abstract: A propagation path estimation method using an imaging method according to the invention includes a step of, in a case where a reflect array 1 (structure) which causes reflection and scattering in a predetermined direction (?-?)° different from a specular reflection direction ?° exists on a propagation path, rotating the reflect array 1 by ?/2° about a rotation center O to set a virtual rotated reflect array 2 (virtual structure), and estimating the propagation path by using the virtual rotated reflect array 2.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: February 16, 2016
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Tatsuo Furuno, Tomoyuki Ohya, Jiyun Shen, Yasuhiro Oda, Ngoc Hao Tran
  • Patent number: 9184508
    Abstract: A multi-beam reflectarray includes two or more element arrays including plural elements aligned along a predetermined direction. The multi-beam reflectarray is such that, in each of a first element group and a second element group included in at least one of the element arrays, a difference between phases of radio waves reflected by corresponding two elements is in proportion to a first product of a distance between the two elements and a value of a trigonometric function with respect to an angle of reflection by the two elements, and a distance between neighboring elements in the first element group is equal to a product of a rational number and a distance between neighboring elements in the second element group.
    Type: Grant
    Filed: August 15, 2012
    Date of Patent: November 10, 2015
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Jiyun Shen, Ngoc Hao Tran, Hidetoshi Kayama
  • Publication number: 20150229029
    Abstract: A reflectarray having multiple elements arranged in an array, each element having a H-shaped patch provided in separation from a ground plate, the H-shaped patch formed by four outer vertices defined by two rectangular outer patches and four inner vertices defined by an inner patch. A length of the inner patch with respect to a first direction is determined to change the reflection phase of an electric field incoming in parallel to the first direction while keeping positions of the four outer vertices and sizes of the outer patches constant. The first direction is determined by positions of the four inner vertices, and a length of the H-shaped patch with respect to a second direction is determined to change the reflection phase of an electric field incoming in parallel to the second direction, wherein the second direction is determined by positions of the four outer vertices.
    Type: Application
    Filed: September 20, 2013
    Publication date: August 13, 2015
    Applicant: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Jiyun Shen, Ngoc Hao Tran
  • Patent number: 9057987
    Abstract: An image forming apparatus includes a rotatable photoconductor and a developing device that uses a developer that exhibits magnetism, the developing device including a housing having an opening for development at a position facing the photoconductor, and plural developing rollers that are exposed through the opening in the housing, that rotate without contacting a surface of the photoconductor, and that are arranged without contacting each other in a direction in which the surface of the photoconductor rotates, wherein a minimum distance between an inner surface portion extending to the opening of the housing of the developing device and one of the developing rollers arranged close to the inner surface portion and a minimum distance between the housing and the surface of the photoconductor are each equal to or larger than a minimum distance between the developing rollers.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: June 16, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Yasuhiro Oda
  • Publication number: 20150155636
    Abstract: A disclosed dual antenna system includes a receiving antenna which includes a first surface orthogonal to an incident wave, the first surface being a first antenna aperture, and a transmitting antenna which includes a second surface parallel to a reflection direction which is a transmission direction, the second surface being a second antenna aperture. A portion of a structure of the transmitting antenna is shared by the receiving antenna.
    Type: Application
    Filed: January 15, 2013
    Publication date: June 4, 2015
    Applicants: NTT DOCOMO, INC., TOHOKU UNIVERSITY
    Inventors: Tamami Maruyama, Yasuhiro Oda, Jianfeng Li, Qiaowei Yuan, Qiang Chen, Kunio Sawaya
  • Patent number: 8988287
    Abstract: An apparatus having multiple mushroom structures is disclosed. Each of the multiple mushroom structures includes: a ground plate; a patch provided parallel to the ground plate with a separation of a distance to the ground plate, wherein a distance between a ground plate and a patch in a certain mushroom structure is different from a distance between a ground plate and a patch in a different mushroom structure.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: March 24, 2015
    Assignee: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Tatsuo Furuno, Yasuhiro Oda, Jiyun Shen, Tomoyuki Ohya
  • Publication number: 20150070246
    Abstract: A reflectarray reflects an incident wave in a desired direction, and the reflectarray includes a plurality of elements arranged in a first direction and in a second direction perpendicular to the first direction. The elements reflect the incident wave. A phase of a reflected wave by one element among the plurality of elements differs from a phase of the reflected wave by an element adjacent to the one element in the first direction by a predetermined value, and the phase of the reflected wave by the one element is equal to a phase of the reflected wave by an element adjacent to the one element in the second direction. Gap sizes between patches of a predetermined plural number of elements arranged in the first direction vary from a smallest value to a largest value. Here, an oblique TM incidence is utilized at a spurious resonance frequency.
    Type: Application
    Filed: May 20, 2013
    Publication date: March 12, 2015
    Applicant: NTT DOCOMO, INC.
    Inventors: Tamami Maruyama, Yasuhiro Oda, Jiyun Shen, Ngoc Hao Tran