Patents by Inventor Takahiro Sato

Takahiro Sato 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: 20170264269
    Abstract: A surface acoustic wave resonator includes: a piezoelectric substrate; a plurality of metal structures formed on a top surface of the piezoelectric substrate to have a negative profile; and a temperature compensation layer covering the top surface of the piezoelectric substrate and the plurality of metal structures. The surface acoustic wave resonator according to an embodiment of the present invention has a frequency characteristic insensitive to change of profile and has an effect of having a high semi-resonance Q value characteristic.
    Type: Application
    Filed: February 7, 2017
    Publication date: September 14, 2017
    Inventors: Chul Hwa LEE, Takahiro SATO
  • Patent number: 9761925
    Abstract: An antenna that includes a first element extending from a connection point, and has a curvature such that a first tip end of the first element extends in a direction toward the connection point. A second element is connected to the connection point, and has a second tip end that extends in a direction away from the connection point, the second tip being disposed within an outer periphery of the first element. A distance between a portion of the first element that is parallel to the second element is greater than ?gx/100, where ?gx represents an effective wavelength of a first anti-resonance frequency.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: September 12, 2017
    Assignees: Sony Corporation, Sony Mobile Communications Inc.
    Inventors: Takahiro Sato, Tomihiro Omuro
  • Patent number: 9752033
    Abstract: The present invention provides a process for producing a fine organic pigment having a very small primary particle size, and a fine organic pigment produced by the process; a process for producing a dispersion using the fine organic pigment, and a dispersion produced by the process; and a process for producing an ink using the dispersion. The present invention relates to [1] a process for producing a fine organic pigment, including step 1 of kneading a mixture prepared by blending a raw material organic pigment, a water-soluble inorganic salt, a water-soluble organic solvent and water with each other, the water being blended in an amount of not less than 0.6 part by mass and not more than 4.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: September 5, 2017
    Assignee: KAO CORPORATION
    Inventors: Takahiro Sato, Hironobu Fukuroi, Hirotaka Takeno
  • Patent number: 9744025
    Abstract: A bile duct tube has a first portion which has a first end portion of the bile duct tube and is formed to have a diameter that allows insertion into a bile duct, a second portion which has a second end portion of the bile duct tube and is formed to have a diameter that allows insertion into an intestinal tract, and a first expansion member placed at the first portion. The first expansion member expands in a radial direction of the bile duct tube when a gas or liquid is injected into a void inside the first expansion member.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: August 29, 2017
    Inventor: Takahiro Sato
  • Publication number: 20170198929
    Abstract: An air blowing device adapted to be used in such a manner that at least two of the devices are horizontally and/or vertically aligned with each other, thereby to obtain a uniform flow of air in the downstream direction from device to device. An air-permeable front surface (11f) is formed to the blowing device (1) at the downstream side of a rectifier mechanism, and side surface sections (11a) which extend in the upstream direction of the device (1) are formed at both edges of the air-permeable front surface (11f). First ventilation holes (70a) are distributed at the air-permeable front surface (11f), and second ventilation holes (70b) are distributed at the side surface sections (11a).
    Type: Application
    Filed: March 29, 2017
    Publication date: July 13, 2017
    Inventors: Kazuma FUKIURA, Tomoyuki KAKINUMA, Taketo SUZUKI, Takahiro SATO
  • Publication number: 20170201627
    Abstract: Methods and systems provide a telephone service with a personal switch box. One aspect of an embodiment of the invention extends use of a telephone number on a Public Switched Telephone Network to mobile terminals by a personal switch box relaying telephone call signals between the Public Telephone Network and an IP-PBX, where the IP-PBX routes the calls between the personal switch box and a cellular phone that is associated with the personal switch box, through a gateway of a mobile virtual network operator the telephone number over mobile wireless network. The gateway may control network bandwidth allocation for the data traffic with the mobile terminals during voice stream data transmission for providing required quality of service.
    Type: Application
    Filed: November 2, 2016
    Publication date: July 13, 2017
    Inventors: Naohisa Fukuda, Frank Seiji Sanda, Yasushi Kudo, Greg Deickman, Kotaro Takahashi, Hiroaki Yokoyama, Takaaki Kawataka, Daisuke Tajima, Takahiro Sato, Kazuhiro Shirato
  • Publication number: 20170194936
    Abstract: A surface acoustic wave device of a ladder type includes a series resonator and a parallel resonator, in which the parallel resonator includes a first reflector, a second reflector, and a comb-shaped electrode located between the first reflector and the second reflector, and the comb-shaped electrode includes a first section in which electrode fingers are formed at a constant cycle, and a second section in which electrode fingers are partially formed at a constant cycle different from the cycle of the first section.
    Type: Application
    Filed: January 4, 2017
    Publication date: July 6, 2017
    Inventors: Motoyuki TAJIMA, Takahiro SATO
  • Patent number: 9687817
    Abstract: Provided is a carrier for an exhaust gas purification catalyst containing aluminum borate particles having a peak (pore peak) exhibiting the highest intensity in a void volume diameter range of from 20 nm to 100 nm in a logarithmic differential void volume distribution measured using a mercury intrusion porosimeter, in order to provide a new catalyst support capable of effectively suppressing a decrease in catalytic performance caused by sulfur (S) component contained in the exhaust gas, in the case of supporting Pd as a catalytically active component.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: June 27, 2017
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Akira Abe, Takahiro Sato, Ohki Houshito, Yuki Nagao, Yunosuke Nakahara
  • Patent number: 9685549
    Abstract: A nitride semiconductor device includes: a substrate; a first nitride semiconductor layer (1) located over the substrate; a second nitride semiconductor layer (2) located over the first nitride semiconductor layer (1), having a larger band gap than the first nitride semiconductor layer (1), and having a recess (11) penetrating into the first nitride semiconductor layer (1); and a third nitride semiconductor layer (12) continuously covering the second nitride semiconductor layer (2) and the recess (11), and having a larger band gap than the first nitride semiconductor layer (1); a gate electrode (5) located above a portion of the third nitride semiconductor layer (12) over the recess (11); and a first ohmic electrode (4a) and a second ohmic electrode (4b) located on opposite sides of the gate electrode (5).
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: June 20, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hideyuki Okita, Yasuhiro Uemoto, Masahiro Hikita, Hidenori Takeda, Takahiro Sato, Akihiko Nishio
  • Publication number: 20170163244
    Abstract: A problem is improved in which a plurality of duplexers has to be used if at least one of a transmission band and reception band for a handheld terminal partially overlaps a frequency band used in another communication system. A duplexer device includes a duplexer configured to include an antenna terminal, a transmission terminal and a reception terminal and to have a specific transmission band and reception band and a band-stop filter connected to at least one of the antenna terminal, the transmission terminal and the reception terminal via a switch and configured to suppress some of at least one of the specific transmission band and reception band in response to the switching of the switch.
    Type: Application
    Filed: November 30, 2016
    Publication date: June 8, 2017
    Inventors: Takahiro SATO, Kensei UEHARA, Motoyuki TAJIMA
  • Patent number: 9663676
    Abstract: The present invention provides [1] a process for producing a fine organic pigment having a very small primary particle size, and a fine organic pigment produced by the process; a process for producing a dispersion using the fine organic pigment, and a dispersion produced by the process; and a process for producing an ink using the dispersion. The present invention relates to [1] a process for producing a fine organic pigment, including step 1 of kneading a mixture prepared by blending (A) a raw material organic pigment containing an oxygen atom and a nitrogen atom bonded to a hydrogen atom in a molecule thereof, (B) a water-soluble inorganic salt, (C) a water-soluble organic solvent, (D) water and (E) a water-soluble basic compound with each other, in which the water (D) is blended in an amount of not less than 0.6 part by mass and not more than 7.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: May 30, 2017
    Assignee: KAO CORPORATION
    Inventors: Takahiro Sato, Hirotaka Takeno, Hironobu Fukuroi
  • Publication number: 20170148701
    Abstract: A semiconductor device includes a substrate; a semiconductor layer; a first protective film; a first adhesive layer disposed on the first protective film; an electrode pad disposed on the first protective film; a second protective film disposed to cover and be in contact with the electrode pad and the first adhesive layer; and a first opening formed in part of the second protective film such that the upper surface of the electrode pad is exposed, wherein in a plan view, the first adhesive layer includes a first projection projecting from the electrode pad radially in a direction of the periphery of the electrode pad and continuously surrounding the periphery of the electrode pad; and the second protective film is continuously to cover and contact part of the upper and side surfaces of the electrode pad, the upper and side surfaces of first projection, and the first protective film.
    Type: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Inventors: Ayanori IKOSHI, Masahiro HIKITA, Keiichi MATSUNAGA, Takahiro SATO, Manabu YANAGIHARA
  • Publication number: 20170133738
    Abstract: A duplexer device having a plurality of duplexers mounted on a substrate for mounting a duplexer includes: a substrate for mounting a duplexer, the substrate having a rectangular shape including a first side, a second side neighboring the first side and connected to the first side, a third side facing the second side and neighboring the first side, and a fourth side connected to the second and the third sides and facing the first side, and a plurality of pads being formed on a surface of the substrate; a first duplexer mounted on the substrate for mounting a duplexer and including a first antenna, terminal, a first transmission terminal and a first reception terminal; and a second duplexer mounted on the substrate for mounting a duplexer and including a second antenna terminal, a second transmission terminal and a second reception terminal.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 11, 2017
    Inventors: Motoyuki TAJIMA, Takahiro SATO
  • Patent number: 9644855
    Abstract: An air blowing device adapted to be used in such a manner that at least two of the devices are horizontally and/or vertically aligned with each other, thereby to obtain a uniform flow of air in the downstream direction from device to device. An air-permeable front surface (11f) is formed to the blowing device (1) at the downstream side of a rectifier mechanism, and side surface sections (11a) which extend in the upstream direction of the device (1) are formed at both edges of the air-permeable front surface (11f). First ventilation holes (70a) are distributed at the air-permeable front surface (11f), and second ventilation holes (70b) are distributed at the side surface sections (11a).
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: May 9, 2017
    Assignee: KOKEN LTD.
    Inventors: Kazuma Fukiura, Tomoyuki Kakinuma, Taketo Suzuki, Takahiro Sato
  • Patent number: 9624353
    Abstract: A nonionic surfactant composition including: a nonionic surfactant that contains a molecule having a C10-C22 alkyl group and/or alkenyl group as a hydrophobic group, a polyoxyalkylene chain as a hydrophilic group, no aromatic ring, no C9-C14 alkyl group derived from an alcohol that is produced from a higher olefin derived from a mixture of propylene and butene through an oxo process, and no C13 alkyl group derived from an alcohol that is produced from a higher olefin derived from a propylene tetramer through an oxo process. The nonionic surfactant has a hydrodynamic radius of 5.0 to 8.0 nm at 40° C. in an aqueous solution in which a nonionic surfactant concentration is 0.1 kg/L in the nonionic surfactant composition, the radius being measured by a dynamic light scattering method.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: April 18, 2017
    Assignees: DAIKIN INDUSTRIES, LTD., DAI-ICHI KOGYO SEIYAKU CO., LTD., OSAKA UNIVERSITY
    Inventors: Nobuhiko Tsuda, Atsuko Tanaka, Kenji Adachi, Nahoko Izaki, Masayuki Hashimoto, Takahiro Sato
  • Publication number: 20170104089
    Abstract: A change in electrical characteristics of a semiconductor device including an oxide semiconductor is prevented, and the reliability of the semiconductor device is improved. An oxide semiconductor is formed over a substrate; an insulator is formed over the oxide semiconductor; a metal oxide is formed over the insulator; a conductor is formed over the metal oxide; a portion of the oxide semiconductor is exposed by removing the conductor, the metal oxide, and the insulator over the oxide semiconductor; plasma treatment is performed on a surface of the exposed portion of the oxide semiconductor; and a nitride insulator is formed over the exposed portion of the oxide semiconductor and over the conductor. The plasma treatment is performed in a mixed atmosphere of an argon gas and a nitrogen gas.
    Type: Application
    Filed: October 6, 2016
    Publication date: April 13, 2017
    Inventors: Junichi KOEZUKA, Masami JINTYOU, Yukinori SHIMA, Yasuharu HOSAKA, Yasutaka NAKAZAWA, Takashi HAMOCHI, Takahiro SATO, Shunpei YAMAZAKI
  • Publication number: 20170104090
    Abstract: Variation in electrical characteristics of a semiconductor device including an oxide semiconductor is inhibited and the reliability thereof is improved. The oxide semiconductor is formed over a substrate. An insulator is formed over the oxide semiconductor. A metal oxide is formed over the insulator. A conductor is formed over the metal oxide. The conductor, the metal oxide, and the insulator over the oxide semiconductor are removed to expose a portion of the oxide semiconductor. Plasma treatment is performed on a surface of the exposed portion of the oxide semiconductor. A nitride insulator is formed over the exposed portion of the oxide semiconductor and the conductor.
    Type: Application
    Filed: October 6, 2016
    Publication date: April 13, 2017
    Inventors: Junichi KOEZUKA, Masami JINTYOU, Yukinori SHIMA, Yasuharu HOSAKA, Yasutaka NAKAZAWA, Takashi HAMOCHI, Takahiro SATO, Shunpei YAMAZAKI
  • Publication number: 20170104018
    Abstract: In a semiconductor device including an oxide semiconductor, a change in electrical characteristics is suppressed and reliability is improved. A miniaturized transistor including an oxide semiconductor is provided. A method for manufacturing a semiconductor device including an oxide semiconductor film includes the following steps: forming an oxide semiconductor film; forming an insulating film over the oxide semiconductor film; forming a conductive film over the insulating film; forming a first protective film over the conductive film; and forming a second protective film over the first protective film. The first protective film, the conductive film, and the insulating film are processed using the second protective film as a mask. After the second protective film is removed, the conductive film and the insulating film are processed using the first protective film as a mask to have a smaller area than that of the second protective film.
    Type: Application
    Filed: October 10, 2016
    Publication date: April 13, 2017
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei YAMAZAKI, Takahiro SATO, Masami JINTYOU
  • Patent number: 9605240
    Abstract: To avoid contamination of workspaces by splashing and the like of a waste fluid. A fluid delivery system for delivering a fluid from one container to another container includes: a delivery channel connecting between the one container to the other container; and a delivery pump which feeds the fluid into the delivery channel by compressively deforming inner diameter in the middle of the delivery channel, wherein the delivery channel is a partially elastic configuration that can be compressively deformed by the delivery pump, and also is a closed-system configuration with which the fluid flowing inside thereof is isolated from outside. As described, the delivery pump and the delivery tube or the waste-fluid container are not directly connected but are simply in contact. Therefore, it is possible to prevent splashing and the like of the waste fluid onto a work space when handling the waste fluid.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: March 28, 2017
    Assignee: MEDINET CO., LTD.
    Inventors: Daisuke Higeta, Tetsuya Yagura, Shun Ogasawara, Kazumi Ota, Takahiro Sato, Nao Yoshinaga, Hiroshi Terakawa
  • Publication number: 20170047354
    Abstract: A semiconductor device including a transistor and a connection portion is provided. The transistor includes a gate electrode, a first insulating film over the gate electrode, an oxide semiconductor film over the first insulating film and at a position overlapping with the gate electrode, and source and drain electrodes electrically connected to the oxide semiconductor film; and the connection portion includes a first wiring on the same surface as a surface on which the gate electrode is formed, a second wiring on the same surface as a surface on which the source and drain electrodes are formed, and a third wiring connecting the first wiring and the second wiring. The distance between an upper end portion and a lower end portion of the second wiring is longer than the distance between an upper end portion and a lower end portion of each of the source and drain electrodes.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Inventors: Shunpei YAMAZAKI, Hiroyuki MIYAKE, Takahiro SATO, Masami JINTYOU