Patents by Inventor Hiroshi Kojima

Hiroshi Kojima 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: 20210234521
    Abstract: A radio frequency circuit includes: an amplifier circuit configured to amplify a first radio frequency signal using a first power supply voltage, and amplify a second radio frequency signal using a second power supply voltage. The first radio frequency signal is a signal in a first band for Long Term Evolution (LTE), the second radio frequency signal is a signal in a second band for 5th Generation New Radio (5G NR) or a wireless local area network (WLAN) signal, and in a state in which a first predetermined condition regarding the first radio frequency signal and the second radio frequency signal is satisfied, a value of the second power supply voltage is greater than a value of the first power supply voltage.
    Type: Application
    Filed: January 20, 2021
    Publication date: July 29, 2021
    Inventors: Hiroshi KOJIMA, Reiji NAKAJIMA, Hirotsugu MORI
  • Patent number: 10989269
    Abstract: An anti-vibration device (1) of the present invention includes a cylindrical first attaching member (11) and a second attaching member (12), an elastic body (13), and a partition member (17) which is configured to partition a liquid chamber (14) in the first attaching member into a main liquid chamber (15) and an auxiliary liquid chamber (16). The partition member includes a membrane (31) that forms a part of the partition wall of the main liquid chamber, and an intermediate chamber (35) which is located on a side opposite to the main liquid chamber with the membrane therebetween and has a membrane as a part of a partition wall of the main liquid chamber.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: April 27, 2021
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Hiroshi Kojima
  • Publication number: 20210094029
    Abstract: A container comprising: a first panel; a second panel opposing the first panel; a first side; a second side opposing the first side; a third side; a fourth side opposing the third side; wherein each of the sides joins the first panel and the second panel; a chamber defined by the four sides, the first panel, and the second panel, wherein the chamber is configured to receive a biological specimen; a port defined in the first side; a plug inserted into the port; an opening defined in the second side; and a closure element coupled to the opening, wherein the chamber is leak proof.
    Type: Application
    Filed: April 26, 2018
    Publication date: April 1, 2021
    Applicant: THE USA, AS REPRESENTED BY THE SECRETARY, DEPARTMENT OF HEALTH & HUMAN SERVICES
    Inventors: Stephen M. Hewitt, Robert A. Star, Jeffrey C. Hanson, Hiroshi Kojima, Russell Bandle, Armando Filie
  • Publication number: 20210091441
    Abstract: A dielectric waveguide filter includes at least four dielectric waveguide resonators arranged along a main coupling path for signal propagation, and main coupling portions each of which is provided between the dielectric waveguide resonators that are adjacent to each other along the main coupling path among the at least four dielectric waveguide resonators. The main coupling portions include an inductive coupling portion and a capacitive coupling portion, and the inductive coupling portion and the capacitive coupling portion are alternately and repeatedly arranged along the main coupling path.
    Type: Application
    Filed: December 3, 2020
    Publication date: March 25, 2021
    Inventors: Manabu NAKAHORI, Hiroshi KOJIMA, Masayuki KIKUDA
  • Patent number: 10851866
    Abstract: A vibration damping device (1, 10, 100) includes a tubular metal bracket (20, 120), a first attachment member (12, 112), a second attachment member (11, 23, 111), an elastic body (13, 113), a partition member (17, 117), and a diaphragm (19, 119). A fixed portion (11g, 23c, 111c) fixed to a fixing portion (20b, 120b) of the metal bracket is formed in the second attachment member. A gap (S2, S21) is provided between a portion of an outer circumferential surface of the second attachment member except for the fixed portion, and a portion of an inner circumferential surface of the metal bracket except for the fixing portion, and a second seal portion (22, 123) is provided between the fixed portion and the fixing portion.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: December 1, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Hiroshi Kojima
  • Publication number: 20200362938
    Abstract: The anti-vibration device (1) includes: an inner attachment member (11); an outer cylinder (12) that surrounds the inner attachment member; and elastic bodies (31, 32) that elastically couple the inner attachment member and the outer cylinder. The elastic bodies include: a pair of end elastic bodies (31) fitted in the outer cylinder; and a pair of intermediate elastic bodies (32) separately arranged on both sides of the inner attachment member and between the end elastic bodies. Covering members (17) that form liquid chambers (14a, 14b) between the covering members and the inner attachment member is arranged between the inner attachment member and the outer cylinder. An orifice passage that provides communication between the liquid chambers is formed between the covering members and the outer cylinder. The entire intermediate elastic bodies are formed of rubber material.
    Type: Application
    Filed: November 8, 2018
    Publication date: November 19, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Hiroshi KOJIMA
  • Publication number: 20200279691
    Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on a surface of the anode body, and a solid electrolyte layer disposed on a surface of the dielectric layer. The solid electrolyte layer includes a conductive polymer and a first compound. The first compound has a naphthalene skeleton, and includes at least one COOM1 group and at least one sulfonate group. The at least one sulfonate group is bonded to the naphthalene skeleton. The at least one COOM1 group is bonded to the naphthalene skeleton, where M1 is a hydrogen atom, a metal atom, or an onium group.
    Type: Application
    Filed: December 21, 2018
    Publication date: September 3, 2020
    Inventors: HITOSHI FUKUI, AI MAKINO, HIROSHI KOJIMA
  • Publication number: 20200279692
    Abstract: A method for manufacturing an electrolytic capacitor includes: preparing an anode body that includes a dielectric layer, and forming a solid electrolyte layer on the dielectric layer. The forming of the solid electrolyte layer includes: forming a first conductive polymer layer on the dielectric layer, applying a first treatment liquid to the first conductive polymer layer, and forming a second conductive polymer layer after the applying of the first treatment liquid. The first conductive polymer layer includes a first conductive polymer. The first treatment liquid contains a first compound and a solvent. The first compound has a skeleton of naphthalene or anthraquinone, and includes at least one SO3-containing group bonded to the skeleton. The at least one SO3-containing group is at least one selected from a group consisting of a sulfonic acid group and a sulfonate group.
    Type: Application
    Filed: December 21, 2018
    Publication date: September 3, 2020
    Inventors: HITOSHI FUKUI, AI MAKINO, HIROSHI KOJIMA
  • Patent number: 10759364
    Abstract: An electrical apparatus includes a circuit structure, a case provided with a bottom panel and a case peripheral wall, and a cover provided with a cover panel and a cover peripheral wall. At least a part of an inner surface of the cover peripheral wall and an outer surface of the case peripheral wall face one another, thereby forming a housing space and housing the circuit structure within the housing space. A groove is formed in at least one of (i) the entire periphery of the outer surface of the case peripheral wall or (ii) the entire periphery of the inner surface of the cover peripheral wall. This configuration provides a structure that suppresses infiltration of liquid to the inside of the case, and suppresses adhesion of liquid to the circuit structure.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: September 1, 2020
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Satoru Chaen, Keiichi Ogawa, Hiroshi Kojima
  • Publication number: 20200232534
    Abstract: The vibration-damping device includes a tubular first attachment member; a second attachment member; an elastic body that couples the first attachment member and the second attachment member to each other; and a partition member that partitions a liquid chamber within the first attachment member into a main liquid chamber having the elastic body in a portion of a barrier wall thereof, and an auxiliary liquid chamber. The partition member includes a membrane; a first orifice passage that includes a main liquid chamber-side passage, and an opposite liquid chamber-side passage; and a damping force difference increasing part that restrains any one of swelling deformation of the membrane toward the main liquid chamber side and swelling deformation of the membrane toward the opposite liquid chamber and increases a difference between a damping force generated when a bound load is input and a damping force generated when a rebound load is input.
    Type: Application
    Filed: October 11, 2018
    Publication date: July 23, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Hiroshi KOJIMA
  • Publication number: 20200217392
    Abstract: A partition member (217) of the present invention includes a membrane (231) which forms a part of a partition wall of a main liquid chamber (215), and a first orifice passage (221) which communicates with the main liquid chamber (215) and opens toward a sub liquid chamber (216), and a flow resistance of a liquid in a portion positioned on the main liquid chamber (215) side and the flow resistance of a liquid in a portion (221a) positioned on the sub liquid chamber (216) side are different from each other in the first orifice passage (221).
    Type: Application
    Filed: October 11, 2018
    Publication date: July 9, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Hiroshi KOJIMA
  • Patent number: 10685787
    Abstract: An electrolytic capacitor includes an anode body, a dielectric layer formed on the anode body, and a conductive polymer layer covering at least a part of the dielectric layer. The conductive polymer layer includes a conductive polymer and a polymer dopant. The polymer dopant includes a copolymer that includes a first monomer unit and a second monomer unit. The first monomer unit has a sulfonate group. Time second monomer unit has a functional group represented by a formula (i); —CO—R1—COOH (where R1 represents an aliphatic hydrocarbon group having 1 to 8 carbon atoms, an aromatic group, or a divalent group —OR2—, R2 representing an aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic group).
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 16, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Youichirou Uka, Katsuya Miyahara, Hiroshi Kojima
  • Publication number: 20200168404
    Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a self-doped conductive polymer and an organic alkali.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 28, 2020
    Inventors: HITOSHI FUKUI, HIROSHI KOJIMA, AI MAKINO
  • Patent number: 10641448
    Abstract: An object is to provide a daylighting sheet which efficiently performs daylighting and in which, when the daylighting sheet is applied to a window of a building or the like, it is possible to see an outdoor side. The daylighting sheet includes a translucent base material layer; and a light deflection layer that is formed on the base material layer, and the light deflection layer includes: light transmission portions that are aligned along one surface of the base material layer so as to be able to transmit light, each of which including a groove at a portion being in a light entering side in a position where the light transmission portion is arranged in the opening portion of a building; and light deflection portions that are formed between the light transmission portions and filled with a material whose refractive index is lower than that of the light transmission portions.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: May 5, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Tsuyoshi Kashiwagi, Kazunobu Ogawa, Hideki Miyata, Tatsuaki Inoue, Hiroshi Kojima
  • Publication number: 20200116226
    Abstract: In the present invention, any two of a second liquid chamber (27), a third liquid chamber (28), and a fourth liquid chamber (29) communicate with each other through a first restricted passage (31) formed in an outer attachment member (11), an inner attachment member (12) or a partition member (15), and the remaining one liquid chamber communicates with a fifth liquid chamber (32) formed in the outer attachment member (11), the inner attachment member (12) or the partition member (15), the remaining one liquid chamber is divided in a circumferential direction, and each of the liquid chambers divided in the circumferential direction and the fifth liquid chamber (32) separately communicate with each other through a second restricted passage (33) formed in the outer attachment member (11), the inner attachment member (12) or the partition member (15).
    Type: Application
    Filed: January 16, 2018
    Publication date: April 16, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Hiroshi KOJIMA
  • Publication number: 20200103868
    Abstract: A machining assist system includes a knowledge database, a receiver, a control unit, and a display. The knowledge database stores various pieces of information indicative of know-how concerning a machining method and a machining facility. The receiver receives a question. The control unit executes a driving solver and a solution-providing solver so as to search the knowledge database using a search condition based on the question and derive a response. The display presents the response. The response includes a plurality of measures, priorities assigned to the measures, and progress information indicative of a search process and a search route. The search process includes a plurality of factors to be used to derive the measures. The search route is a link between the factors. The search process and the search route are visually presented on the display.
    Type: Application
    Filed: September 24, 2019
    Publication date: April 2, 2020
    Applicant: JTEKT Corporation
    Inventors: Hiroshi Kojima, Yoshihiko Yamada, Takayuki Azuma, Toshiki Sakai, Shigetoshi Noritake, Kazunari Teramoto
  • Patent number: 10600579
    Abstract: An electrolytic capacitor includes an anode body, a first conductive polymer layer, and a second conductive polymer layer. The anode body includes a dielectric layer. The first conductive polymer layer covers at least a part of the dielectric layer. The second conductive polymer layer covers at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer. The second conductive polymer layer includes a second conductive polymer. At least one of the first conductive polymer layer and the second conductive polymer layer further includes a hydroxy compound. The hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, and has a melting point ranging from 40° C. to 150° C., inclusive.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: March 24, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Youichirou Uka, Katsuya Miyahara, Hiroshi Kojima
  • Patent number: 10578188
    Abstract: A vibration damping device (10) comprises a tubular outer attachment member (11) and an inner attachment member (12); a pair of main rubber portions (13) that couple the outer attachment member (11) to the inner attachment member (12), and that are arranged so as to be spaced in an axial direction along a central axis (O) of the outer attachment member (11); and a partition portion (15) that couples the outer attachment member (11) to the inner attachment member (12), and that partitions a liquid chamber (25) between the pair of main rubber portions (13), in the axial direction, into a first liquid chamber (26) and a second liquid chamber (27). The partition portion (15) comprises an annular rigid portion (30) in which a restricted passage (33) that connects the first liquid chamber (26) to the second liquid chamber (27) is formed, and an annular elastic portion (29) that is adjacent to the rigid portion (31) in the radial direction.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 3, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Hiroshi Kojima
  • Publication number: 20190389296
    Abstract: This vibration-damping device is configured such that an outer mounting member (11), an inner mounting member (12), or a partition member (16) has formed therein: a first restriction passage (23) for providing communication between a fourth liquid chamber (21) and a second liquid chamber (15) or a third liquid chamber (20); and a second restriction passage (24) for providing communication between the second liquid chamber (15) and the third liquid chamber (20). The flow resistance of the first restriction passage (23) and that of the second restriction passage (24) are different.
    Type: Application
    Filed: January 11, 2018
    Publication date: December 26, 2019
    Applicant: Bridgestone Corporation
    Inventor: Hiroshi KOJIMA
  • Patent number: 10502279
    Abstract: An anti-vibration device includes: a cylinder body coupled to a vibration receiver; a support body coupled to a vibration source; an elastic body that attaches the support body to the cylinder body such that the support body is capable of moving relative to the cylinder body; a first liquid chamber sectioned by an orifice pathway and the elastic body; a second liquid chamber that a liquid flows to and from the first liquid chamber through the orifice pathway; a first gas chamber with a wall configured by a diaphragm; a second gas chamber capable of communicating with the first gas chamber; and a switching section that switches a state of communication of the first gas chamber and the second gas chamber.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: December 10, 2019
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Hiroshi Kojima