Patents by Inventor Yoshio Okamoto

Yoshio 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).

  • Publication number: 20200321810
    Abstract: An electric power transmission device transmits electric power to an electric power reception device including an electric power reception coil in water. The electric power transmission device includes one or more transmission coils which include an electric power transmission coil configured to transmit electric power to the electric power reception coil via a magnetic field, an electric power transmitter, configured to transmit AC power to the electric power transmission coil, a capacitor which is connected to the transmission coil and forms a resonance circuit which resonates with the transmission coil, a first tubular member which is waterproof and seals a periphery of the transmission coil, a second tubular member which surrounds the first tubular member and includes a plurality of holes, and an adjuster, configured to adjust an amount of air in a gap between the first tubular member and the second tubular member.
    Type: Application
    Filed: February 8, 2019
    Publication date: October 8, 2020
    Applicant: PANASONIC CORPORATION
    Inventors: Katsuya OKAMOTO, Souichi KAWATA, Kazuhiro EGUCHI, Yoshio KOYANAGI, Ryosuke HASABA
  • Patent number: 10790705
    Abstract: A power transmission device transmits power underwater to a power reception device including a power reception coil. The power transmission device includes: a power transmission coil that transmits power to the power reception coil through a magnetic field; a power transmitter that transmits an alternating current power having a predetermined frequency to the power transmission coil; and a first capacitor that is connected to the power transmission coil and forms a resonance circuit resonating with the power transmission coil. The predetermined frequency is a frequency between a first frequency at which a geometric mean value of a Q value of the power transmission coil and a Q value of the power reception coil are the maximum and a second frequency at which the Q value of the power transmission coil and the Q value of the power reception coil are the same.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: September 29, 2020
    Assignee: PANASONIC CORPORATION
    Inventors: Futoshi Deguchi, Souichi Kawata, Kazuhiro Eguchi, Katsuya Okamoto, Yoshio Koyanagi, Ryosuke Hasaba
  • Publication number: 20200248975
    Abstract: A metal base plate material includes trip-shaped first regions each having a plurality of first ridges arranged substantially parallel to each other and at substantially equal intervals such that an angle of intersection with a longitudinal direction is greater than or equal to 10° and less than or equal to 25°. Strip-shaped second regions each have a plurality of second ridges arranged substantially parallel to each other and at substantially equal intervals and angled to face the plurality of the first ridges in a crosswise direction. The first regions and second regions are separated by a gap regions therebetween, at substantially equal intervals. First ends on a downstream side of the plurality of the first ridges and second ends on a downstream side of the plurality of the second ridges are positioned differently from each other in the longitudinal directions.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 6, 2020
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Keitaro TAMURA, Yoshio ITSUMI, Kazuhisa FUKUTANI, Akio OKAMOTO
  • Publication number: 20200247818
    Abstract: The present invention provides industrially suitable processes for preparing intermediates in the production of substituted polycyclic pyridone derivatives having a cap-dependent endonuclease inhibitory activity. In the process as shown below, wherein each symbol is as defined in the specification, an optically active substituted tricyclic pyridone derivative of the formula (VII) is obtained in high yield and high enantioselectivity by subjecting a compound of the formula (III) or (VI) to intramolecular cyclization with controlling stereochemistry to obtain a compound of the formula (IV) having a removable functional group on an asymmetric carbon, and then removing the functional group thereof.
    Type: Application
    Filed: October 5, 2018
    Publication date: August 6, 2020
    Applicant: Shionogi & Co., Ltd.
    Inventors: Kazuya OKAMOTO, Tatsuhiko UENO, Yoshio HATO, Toshikazu HAKOGI, Shohei MAJIMA
  • Patent number: 10703693
    Abstract: A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated: CFaCl3-a—CH2—CHFbCl2-b??(1) In the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: July 7, 2020
    Assignee: CENTRAL GLASS COMPANY, LIMITED
    Inventors: Masamune Okamoto, Kohei Sumida, Kei Matsunaga, Yoshio Nishiguchi, Satoru Okamoto
  • Patent number: 10686292
    Abstract: A laser module has a base portion having a metal holding portion; a laser light source fixed to the base portion; an optical outputting portion deriving the laser light from a collimating optical system out of the base portion. The collimating optical system includes an input lens receiving the laser light from the laser light source; and an output lens receiving the laser light from the input lens and outputting the laser light to the optical outputting portion, each located in order from the laser light source. The input lens is a convex lens fixed in a first cylinder body made of metal and welded to the holding portion. The output lens is a convex lens having a focal point length longer than that of the input lens and held by the holding member glued to the base portion.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: June 16, 2020
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Daisuke Nagatomo, Yoshio Okamoto, Takashi Nakai, Kenji Nagashima
  • Publication number: 20200169117
    Abstract: A power transmitting device transmits power tower power receiving device having a power receiving coil, in water. The power transmitting device includes one or more annular transmitting coils including a power transmitting coil configured to transmit the power to the power receiving coil via a magnetic field, a support member located in an inner space of the transmitting coil, which is formed by the annular transmitting coil, the support member including an outer periphery along an inner periphery of the annular transmitting coil, and supporting the transmitting coil from the inner space, a power transmitting unit configured to supply A/C power to the power transmitting coil, and a capacitor connected to the transmitting coil, and forming a resonance circuit resonating together with the transmitting coil.
    Type: Application
    Filed: May 10, 2018
    Publication date: May 28, 2020
    Applicant: PANASONIC CORPORATION
    Inventors: Katsuya OKAMOTO, Souichi KAWATA, Kazuhiro EGUCHI, Ryosuke HASABA, Yoshio KOYANAGI, Tamaki URA
  • Patent number: 10663894
    Abstract: A fixing device includes a fixing belt and a pressure rotator that presses against a nip formation pad via the fixing belt to form a fixing nip between the pressure rotator and the fixing belt. A first holder holds a first lateral end of the fixing belt in an axial direction thereof. A second holder holds a second lateral end of the fixing belt in the axial direction thereof. The second holder, together with the first holder, defines a holder interval provided between the first holder and the second holder in the axial direction of the fixing belt. A lubricant supplying sheet impregnated with a lubricant is sandwiched between the nip formation pad and the fixing belt at the fixing nip. The lubricant supplying sheet has a sheet span in the axial direction of the fixing belt. The sheet span is within the holder interval.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: May 26, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Jun Okamoto, Yoshio Hattori, Haruyuki Honda, Takumi Waida, Kiwako Hiroi, Yuusuke Furuichi, Tomoya Adachi
  • Patent number: 10634105
    Abstract: One passage for swirling is formed in an orifice plate fixed on a nozzle body. Two swirl chambers in which fuel is caused to swirl so that the fuel has swirling force are provided at an end of the one passage for swirling on the downstream side of the flow direction of fuel. Therefore, the collision between the swirling flow in the swirl chamber and the fuel flowing in the passage for swirling is mitigated, and the swirling flow can be smoothly produced to promote pulverization of sprays injected from fuel injection ports.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: April 28, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Yoshio Okamoto, Yoshihito Yasukawa, Noriyuki Maekawa, Nobuaki Kobayashi, Takahiro Saito
  • Patent number: 10549652
    Abstract: A power transmission device is configured to transmit power underwater to an underwater vehicle having a power reception coil. The power transmission device includes a power transmission coil configured to transmit power to the power reception coil through a magnetic field, a power transmission unit configured to transmit an alternating current voltage having a frequency a 10 kHz or lower to the power transmission coil, and a first capacitor connected to the power transmission coil and configured to form a resonance circuit resonating at the frequency with the power transmission coil.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: February 4, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Futoshi Deguchi, Yoshio Koyanagi, Kazuhiro Eguchi, Katsuya Okamoto, Ryosuke Hasaba
  • Publication number: 20200010388
    Abstract: A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated: CFaCl3-a—CH2—CHFbCl2-b??(1) In the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.
    Type: Application
    Filed: September 17, 2019
    Publication date: January 9, 2020
    Inventors: Masamune OKAMOTO, Kohei SUMIDA, Kei MATSUNAGA, Yoshio NISHIGUCHI, Satoru OKAMOTO
  • Patent number: 10466490
    Abstract: A video projection device 001 includes a video generation section 041 that has a micro display element 003 which generates video and an illuminating optical system 002 which illuminates a micro display element; projection section 043 that project the video which is generated by the video generation section onto the eyes of a user through an eyepiece section; and a mechanical support section 042 that connects the video generation section to the projection section using a housing section. The mechanical support section includes at least one transparent area 011 that is surrounded by the housing section, and penetrates in a direction parallel to a direction in which the video from the projection section is projected. The illuminating optical system includes a light source that emits light in a plurality of wavelength bands, and a controller 440 that controls the output of the light source.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: November 5, 2019
    Assignee: Hitachi-LG Data Storage, Inc.
    Inventors: Tomoto Kawamura, Toshiteru Nakamura, Yoshiho Seo, Satoshi Ouchi, Hidenao Saito, Yoshio Okamoto, Kenji Kiya
  • Publication number: 20190334380
    Abstract: An electric power transmission device capable of efficiently performing contactless electric power transmission to an underwater vehicle in water is provided. The electric power transmission device, which is an electric power transmission device transmitting electric power to an electric power reception device including an electric power reception coil in water, includes one or more transmission coils including an electric power transmission coil which transmits electric power to an electric power reception coil via a magnetic field, an electric power transmission unit which transmits AC power to an electric power transmission coil, a capacitor which is connected to the transmission coil and forms a resonant circuit which resonates with the transmission coil, and a buoyant body connected to at least one of the transmission coils.
    Type: Application
    Filed: September 5, 2017
    Publication date: October 31, 2019
    Applicant: PANASONIC CORPORATION
    Inventors: Yoshio KOYANAGI, Kazuhiro EGUCHI, Souichi KAWATA, Futoshi DEGUCHI, Katsuya OKAMOTO, Ryosuke HASABA, Tamaki URA
  • Publication number: 20190326725
    Abstract: A laser module has a base portion having a metal holding portion; a laser light source fixed to the base portion; an optical outputting portion deriving the laser light from a collimating optical system out of the base portion. The collimating optical system includes an input lens receiving the laser light from the laser light source; and an output lens receiving the laser light from the input lens and outputting the laser light to the optical outputting portion, each located in order from the laser light source. The input lens is a convex lens fixed in a first cylinder body made of metal and welded to the holding portion. The output lens is a convex lens having a focal point length longer than that of the input lens and held by the holding member glued to the base portion.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Applicant: STANLEY ELECTRIC CO., LTD.
    Inventors: Daisuke NAGATOMO, Yoshio OKAMOTO, Takashi NAKAI, Kenji NAGASHIMA
  • Patent number: 10443899
    Abstract: An object of the present invention is to provide a refrigerant circulation device and method that can suppress acid generation caused by decomposition of a refrigerant containing an HFO or HCFO. The refrigerant circulation device has a compressor, a condenser, expansion valves and an evaporator connected by a main pipe to form a refrigerant circulation circuit through which a refrigerant is circulated, the refrigerant circulation circuit being filled with a refrigerant containing a hydrofluoroolefin or a hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, wherein the refrigerant circulation device includes a drive that drives the compressor via a speed increaser, and a drive cooling unit that cools the drive with the refrigerant condensed in the condenser, and a desiccant that can trap moisture is disposed in the evaporator or the drive cooling unit.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: October 15, 2019
    Assignees: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., CENTRAL GLASS CO., LTD.
    Inventors: Noriyuki Matsukura, Kenji Ueda, Naoki Kobayashi, Ryosuke Suemitsu, Norihisa Horaguchi, Satoru Okamoto, Yoshio Nishiguchi
  • Publication number: 20190229557
    Abstract: A power transmission device transmits power underwater to a power reception device including a power reception coil. The power transmission device includes: a power transmission coil that transmits power to the power reception coil through a magnetic field; a power transmitter that transmits an alternating current power having a predetermined frequency to the power transmission coil; and a first capacitor that is connected to the power transmission coil and forms a resonance circuit resonating with the power transmission coil. The predetermined frequency is a frequency between a first frequency at which a geometric mean value of a Q value of the power transmission coil and a Q value of the power reception coil are the maximum and a second frequency at which the Q value of the power transmission coil and the Q value of the power reception coil are the same.
    Type: Application
    Filed: June 19, 2017
    Publication date: July 25, 2019
    Applicant: PANASONIC CORPORATION
    Inventors: Futoshi DEGUCHI, Souichi KAWATA, Kazuhiro EGUCHI, Katsuya OKAMOTO, Yoshio KOYANAGI, Ryosuke HASABA
  • Patent number: 10119022
    Abstract: Provided is a polycarbonate resin composition, including: a polycarbonate resin (A) containing a polycarbonate-polyorganosiloxane copolymer (A-1) having a specific structure; a copolymer (B) having constituent units derived from acrylonitrile and styrene, and being free of a constituent unit derived from methyl methacrylate; a copolymer (C) having constituent units derived from butadiene and methyl methacrylate; and a flame retardant (D), the resin composition satisfying a predetermined expression (a).
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: November 6, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoshio Okamoto, Tsuyoshi Murakami
  • Patent number: 10066101
    Abstract: Provided is a polycarbonate resin molding material for articles to be coated, containing a polycarbonate resin (A) containing a polycarbonate-polyorganosiloxane copolymer (A-1) having a specific structure, and a copolymer (B) having a constituent unit derived from butadiene, and a content of the polyorganosiloxane block moiety in entirety of the molding material is in the range of 0.50 to 10% by mass and a content of the constituent unit derived from butadiene in entirety of the molding material is in the range of 1 to 10% by mass.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: September 4, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yusuke Aoki, Yoshio Okamoto, Tsuyoshi Murakami
  • Publication number: 20180230305
    Abstract: Provided is a polycarbonate resin composition, including: a polycarbonate resin (A) containing a polycarbonate-polyorganosiloxane copolymer (A-1) having a specific structure; a copolymer (B) having constituent units derived from acrylonitrile and styrene, and being free of a constituent unit derived from methyl methacrylate; and a copolymer (C) having constituent units derived from butadiene and methyl methacrylate, in which: a content of the polyorganosiloxane block moiety in the entire resin composition is from 0.1 mass % to 10 mass %; a total of a content of the constituent unit derived from the acrylonitrile in the entire resin composition and a content of the constituent unit derived from the styrene in the entire resin composition is from 8 mass % to 45 mass %; a content of the constituent unit derived from the butadiene in the entire resin composition is from 3 mass % to 10 mass %; and the (A) has a viscosity-average molecular weight (Mv) of from 20,000 to 25,000.
    Type: Application
    Filed: August 2, 2016
    Publication date: August 16, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoshio OKAMOTO, Tsuyoshi MURAKAMI
  • Publication number: 20180148392
    Abstract: Provided is a separating agent for optical isomers, which is configured of a novel xylan derivative and a carrier. Specifically provided is a separating agent for optical isomers, which is configured of a carrier and a xylan-phenylcarbamate derivative that is obtained by substituting a hydroxy group of xylan with a group represented by formula (I) or (II). (In formula (I), R1 represents a halogen or an alkyl group having 1-5 carbon atoms; and the position of substitution of the R1 moiety is the meta position or the para position. In formula (II), each of R2 and R3 independently represents a halogen or an alkyl group having 1-5 carbon atoms, and R2 and R3 are groups different from each other.
    Type: Application
    Filed: May 16, 2016
    Publication date: May 31, 2018
    Applicant: DAICEL CORPORATION
    Inventors: Jun SHEN, Qiang LI, Geng LI, Yoshio OKAMOTO