Patents by Inventor Takashi Ogihara

Takashi Ogihara 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: 11279624
    Abstract: A method for producing forsterite microparticles having a primary particle size of 1, to 50 nm, as determined through electron microscopy. The method includes spray-drying, in an atmosphere of 50° C. or higher and lower than 300° C., a solution containing a water-soluble magnesium salt and colloidal silica at a mole ratio of magnesium atoms to silicon atoms (Mg/Si) of 2; and subsequently, firing the spray-dried product in air at 800 to 1,000° C.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: March 22, 2022
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tadayuki Isaji, Takashi Ogihara, Takayuki Kodera
  • Patent number: 10840789
    Abstract: A vibration generation apparatus includes a casing, a magnet attached in the casing, a vibrator having a coil that vibrates in the casing, an elastic support member connected to the casing and holding the vibrator in the casing, and a flexible interconnect member. One end of the flexible interconnect member is connected to the electric wire of the coil, and the other end of the flexible interconnect member protrudes to the outside of the casing. The casing is provided with an opening through which the interconnect member passes, and the interconnect member is supported by a support in the casing.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: November 17, 2020
    Assignee: ALPS ALPINE CO., LTD.
    Inventors: Tomokuni Wauke, Takashi Ogihara
  • Publication number: 20200156112
    Abstract: A vibration generator includes a housing, a vibrating body accommodated in the housing, an elastic support supporting the vibrating body such that the vibrating body can vibrate along a first direction and a second direction intersecting each other, and a magnetic drive configured to drive the vibrating body along the first direction and the second direction using a magnetic force, and wherein the magnetic drive includes a plurality of first magnetic field generators disposed side by side at a predetermined interval in the vibrating body in the first direction or the second direction, and a plurality of second magnetic field generators disposed on positions facing both ends of each of the plurality of first magnetic field generators in the housing, and wherein a longitudinal direction of the housing is in a third direction intersecting the first direction and the second direction.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 21, 2020
    Inventors: Tomokuni WAUKE, Takashi OGIHARA
  • Publication number: 20190363623
    Abstract: A vibration generation apparatus includes a casing, a magnet attached in the casing, a vibrator having a coil that vibrates in the casing, an elastic support member connected to the casing and holding the vibrator in the casing, and a flexible interconnect member. One end of the flexible interconnect member is connected to the electric wire of the coil, and the other end of the flexible interconnect member protrudes to the outside of the casing. The casing is provided with an opening through which the interconnect member passes, and the interconnect member is supported by a support in the casing.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Inventors: Tomokuni WAUKE, Takashi OGIHARA
  • Publication number: 20180244530
    Abstract: A method for producing forsterite microparticles having a primary particle size of 1, to 50 nm, as determined through electron microscopy. The method includes spray-drying, in an atmosphere of 50° C. or higher and lower than 300° C., a solution containing a water-soluble magnesium salt and colloidal silica at a mole ratio of magnesium atoms to silicon atoms (Mg/Si) of 2; and subsequently, firing the spray-dried product in air at 800 to 1,000° C.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 30, 2018
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tadayuki ISAJI, Takashi OGIHARA, Takayuki KODERA
  • Patent number: 9988278
    Abstract: A method for producing forsterite microparticles having a primary particle size of 1 to 200 nm, as determined through electron microscopy, characterized in that the method includes spray-drying, at 50° C. or higher and lower than 300° C., a solution containing a water-soluble magnesium salt and colloidal silica at a mole ratio of magnesium atoms to silicon atoms (Mg/Si) of 2; and subsequently, firing the spray-dried product in air at 800 to 1,000° C.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 5, 2018
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tadayuki Isaji, Takashi Ogihara, Takayuki Kodera
  • Publication number: 20160332887
    Abstract: A method for producing forsterite microparticles having a primary particle size of 1 to 200 nm, as determined through electron microscopy, characterized in that the method includes spray-drying, at 50° C. or higher and lower than 300° C., a solution containing a water-soluble magnesium salt and colloidal silica at a mole ratio of magnesium atoms to silicon atoms (Mg/Si) of 2; and subsequently, firing the spray-dried product in air at 800 to 1,000° C.
    Type: Application
    Filed: March 24, 2015
    Publication date: November 17, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Tadayuki ISAJI, Takashi OGIHARA, Takayuki KODERA
  • Patent number: 6117410
    Abstract: A process for producing lithiated manganese oxide having a layered rock-salt structure, which comprises burning lithium and manganese materials or pretreated materials thereof at a temperature needed to synthesize LiMnO.sub.2, and then quenching the burnt materials.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: September 12, 2000
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Takashi Ogihara, Hiroyuki Takahashi, Masahiro Ohmori, Katsutoshi Tamura
  • Patent number: 5008937
    Abstract: In a scrambled-communication system, a transmitting station generates a scrambling noise having a periodically-recurrent series of noise patterns and scrambles an information signal by simply summing the scrambling noise to the information signal, whereby the information signal is totally unintelligible by an interceptor. At a receiving station, a noise-cancelling signal is generated by an adaptive transversal filter and supplied to a subtractor where it is combined with the scrambled signal to recover the information signal. For generating the noise-cancelling signal, a descrambling noise identical to the scrambling noise is generated. The filter has a tapped-delay line for receiving the descrambling noise and a plurality of variable tap weights connected respectively to taps of the tapped-delay line.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: April 16, 1991
    Assignee: NEC Corporation
    Inventors: Yoshihiro Yamamura, Takashi Ogihara, Yoshinobu Nakanishi, Tomohiro Nishizono
  • Patent number: 4005277
    Abstract: An echo controller comprises a parallel circuit of an echo suppressor and a self-adaptive echo canceller near an echo path of a long-distance telephone network. The echo controller further comprises a mode switch responsive to levels of a received signal, an unprocessed signal, and an output signal of the echo canceller and operable during absence of double talk for suspending operation of the echo canceller and putting instead the echo suppressor into operation only when characteristics of the echo path and operation of the echo canceller are objectionable.
    Type: Grant
    Filed: September 4, 1975
    Date of Patent: January 25, 1977
    Assignee: Nippon Electric Company, Ltd.
    Inventors: Takashi Araseki, Kazuo Ochiai, Takashi Ogihara, Shunji Tanaka