Patents by Inventor Hirofumi Suzuki

Hirofumi Suzuki 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: 20220277726
    Abstract: [Object] A control apparatus according to an embodiment of the present technology includes a tactile control section and an audio control section. The tactile control section generates, on the basis of a tactile signal for tactile presentation, a tactile control signal for driving a tactile presentation unit. The audio control section generates, on the basis of a first audio signal and a second audio signal, an audio control signal for driving an audio output unit, the second audio signal containing sound components that are in an opposite phase to sound generated on the basis of the tactile signal and generated from the tactile presentation unit.
    Type: Application
    Filed: August 25, 2020
    Publication date: September 1, 2022
    Inventors: HIROFUMI TAKEDA, SHUICHIRO NISHIGORI, SHIRO SUZUKI, TAKAHIRO WATANABE
  • Publication number: 20220254325
    Abstract: A wearable speaker includes a housing to be used by being hung around a neck of a user or carried on a shoulder of the user, a speaker capable of reproducing an audio signal, and one or more vibration sections capable of reproducing vibration signals.
    Type: Application
    Filed: June 11, 2020
    Publication date: August 11, 2022
    Inventors: SHUICHIRO NISHIGORI, TAKAHIRO WATANABE, HIROFUMI TAKEDA, SHIRO SUZUKI
  • Publication number: 20220231212
    Abstract: In a light emitting device, in a bottom surface of a cavity of a Si substrate, slit-shaped through holes and through electrodes that fill the through holes are provided at a position facing a first element electrode of a light emitting element. A length of an upper surface of the through electrode in a long axis direction is larger than a height of the through electrode in a thickness direction of the Si substrate. A joining layer having a shape corresponding to a shape of the upper surface of the through electrode is disposed between the first element electrode of the light emitting element and the upper surface of the through electrode facing the first element electrode. The entire upper surface of the through electrode is joined to the first element electrode via the joining layer.
    Type: Application
    Filed: May 13, 2020
    Publication date: July 21, 2022
    Applicant: STANLEY ELECTRIC CO., LTD.
    Inventors: Yoshiaki YASUDA, Hirofumi CHIBA, Mitsuyasu KUMAGAI, Yukio SUZUKI, Shuji TANAKA
  • Patent number: 11320028
    Abstract: In a screw device where a shim is disposed between two nuts, a screw device that can detect preload is provided. The preload detectable screw device includes: two nuts; a shim sandwiched and compressed between the two nuts; a coupling portion configured to couple the two nuts in such a manner as to be incapable of relative rotation to each other; and a force sensor for detecting preload. A contact surface of at least one of the two nuts with the shim is provided with a recess, spaced apart from the coupling portion, in such a manner as to reduce the contact area. The force sensor is attached near the recess on an outer surface of the shim.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: May 3, 2022
    Assignee: THK CO., LTD.
    Inventors: Yuji Kubota, Hirofumi Suzuki, Takamitsu Tomiyama
  • Publication number: 20220128136
    Abstract: A screw device is provided which applies preload with a single nut and can easily detect preload. The screw device of includes: a screw shaft having an outer helical groove; a nut fitted on the screw shaft, the nut having an inner helical groove, and a return path to which a passage formed between the outer groove and the inner groove is connected; a plurality of rolling elements placed between the passage and the return path; and a strain sensor attached to an outer surface of the nut. At least one hole is provided between an attachment surface, to which the strain sensor is attached, of the nut and/or a vicinity thereof and an inner surface of the nut.
    Type: Application
    Filed: January 20, 2020
    Publication date: April 28, 2022
    Inventors: Yuji KUBOTA, Hirofumi SUZUKI, Takamitsu TOMIYAMA, Yuta TSUJISAWA
  • Publication number: 20210190186
    Abstract: In a screw device where a shim is disposed between two nuts, a screw device that can detect preload is provided. The preload detectable screw device includes: two nuts; a shim sandwiched and compressed between the two nuts; a coupling portion configured to couple the two nuts in such a manner as to be incapable of relative rotation to each other; and a force sensor for detecting preload. A contact surface of at least one of the two nuts with the shim is provided with a recess, spaced apart from the coupling portion, in such a manner as to reduce the contact area. The force sensor is attached near the recess on an outer surface of the shim.
    Type: Application
    Filed: October 12, 2018
    Publication date: June 24, 2021
    Inventors: Yuji KUBOTA, Hirofumi SUZUKI, Takamitsu TOMIYAMA
  • Patent number: 10991505
    Abstract: A coil unit connection structure is provided which can integrate locations connected to a power cable into one side in an arrangement direction of a plurality of coil units. In a coil unit connection structure that electrically connects a plurality of coil units, each of the coil units includes a coil and a return wire. A plurality of the coils of the plurality of coil units is electrically connected to each other. A plurality of the return wires of the plurality of coil units is electrically connected to each other. A terminal unit is provided which includes a connecting wire that electrically connects the coil and the return wire of the coil unit at the terminal end.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: April 27, 2021
    Assignee: THK CO., LTD.
    Inventors: Akihiro Unno, Hirofumi Suzuki
  • Publication number: 20210061123
    Abstract: A charge/discharge management apparatus for executing charge/discharge of a battery of a vehicle electrically connected to a facility, comprising an obtaining unit for obtaining use histories of a plurality of batteries corresponding to a plurality of vehicles electrically connected to the facility, and a selection unit for selecting a battery subjected to execution of charge/discharge from the plurality of batteries based on priority decided from the use histories.
    Type: Application
    Filed: August 26, 2020
    Publication date: March 4, 2021
    Inventors: Hirofumi Suzuki, Makoto Ogawa, Satoshi Odakura, Daisuke Tsutsumi
  • Patent number: 10837939
    Abstract: The present disclosure provides a gas sensor element comprising a porous protective layer with improved water repellency upon continuously water pouring, which is a gas sensor element comprising: a detection portion; and a porous protective layer formed around the detection portion, wherein the porous protective layer is formed from an aggregate containing alumina and a coating material containing silica, and in the porous protective layer, the weight concentration x % by weight of the coating material with respect to the total weight of the aggregate and the coating material, and the porosity y %, satisfy the following formula (1): y?0.0058x2?1.2666x+68??(1), and in the porous protective layer, the pore volume of pores having a pore diameter of 100 nm or less is 0.02 mL/g or less.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: November 17, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Hiroki Nishijima, Yoshiharu Miyake, Haruki Kondo, Yasushi Hirata, Hirofumi Suzuki, Kei Sugiura, Toru Takeuchi
  • Patent number: 10825482
    Abstract: A magnetic disk device includes a casing having a box-like base that has a bottom wall and a cover that has a first surface facing the bottom wall, a magnetic disk provided in the casing, a head configured to write data to the magnetic disk and to read data from the magnetic disk, an actuator assembly that supports the head in the casing, a conductive container on the first surface of the cover, and a conductive body in contact with the conductive container and the cover.
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: November 3, 2020
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Hirofumi Suzuki, Kouichi Toukairin, Hisashi Hasegawa, Masaya Kudo, Kenji Hayasaka, Yusuke Nojima
  • Publication number: 20200286527
    Abstract: A magnetic disk device includes a casing having a box-like base that has a bottom wall and a cover that has a first surface facing the bottom wall, a magnetic disk provided in the casing, a head configured to write data to the magnetic disk and to read data from the magnetic disk, an actuator assembly that supports the head in the casing, a conductive container on the first surface of the cover, and a conductive body in contact with the conductive container and the cover.
    Type: Application
    Filed: September 2, 2019
    Publication date: September 10, 2020
    Inventors: Hirofumi SUZUKI, Kouichi TOUKAIRIN, Hisashi HASEGAWA, Masaya KUDO, Kenji HAYASAKA, Yusuke NOJIMA
  • Publication number: 20200098510
    Abstract: A coil unit connection structure is provided which can integrate locations connected to a power cable into one side in an arrangement direction of a plurality of coil units. In a coil unit connection structure that electrically connects a plurality of coil units, each of the coil units includes a coil and a return wire. A plurality of the coils of the plurality of coil units is electrically connected to each other. A plurality of the return wires of the plurality of coil units is electrically connected to each other. A terminal unit is provided which includes a connecting wire that electrically connects the coil and the return wire of the coil unit at the terminal end.
    Type: Application
    Filed: April 19, 2018
    Publication date: March 26, 2020
    Inventors: Akihiro UNNO, Hirofumi SUZUKI
  • Patent number: 10446177
    Abstract: A disk apparatus includes a casing, a rotatable disk recording medium that is disposed within the casing, a head configured to process information with respect to the recording medium, an actuator assembly that is disposed within the casing and that movably supports the head, and a filter unit that is disposed within the casing. The filter unit includes a base section fixed to an inner surface of the casing, a holding frame coupled to the base, and a collection filter detachably held in place by the holding frame.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: October 15, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Hirofumi Suzuki, Yasuhiko Kato
  • Publication number: 20190295575
    Abstract: A disk apparatus includes a casing, a rotatable disk recording medium that is disposed within the casing, a head configured to process information with respect to the recording medium, an actuator assembly that is disposed within the casing and that movably supports the head, and a filter unit that is disposed within the casing. The filter unit includes a base section fixed to an inner surface of the casing, a holding frame coupled to the base, and a collection filter detachably held in place by the holding frame.
    Type: Application
    Filed: August 31, 2018
    Publication date: September 26, 2019
    Inventors: Hirofumi SUZUKI, Yasuhiko KATO
  • Publication number: 20190242848
    Abstract: The present disclosure provides a gas sensor element comprising a porous protective layer with improved water repellency upon continuously water pouring, which is a gas sensor element comprising: a detection portion; and a porous protective layer formed around the detection portion, wherein the porous protective layer is formed from an aggregate containing alumina and a coating material containing silica, and in the porous protective layer, the weight concentration x % by weight of the coating material with respect to the total weight of the aggregate and the coating material, and the porosity y %, satisfy the following formula (1): y?0.0058x2-1.2666x+68??(1), and in the porous protective layer, the pore volume of pores having a pore diameter of 100 nm or less is 0.02 mL/g or less.
    Type: Application
    Filed: January 24, 2019
    Publication date: August 8, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Hiroki NISHIJIMA, Yoshiharu MIYAKE, Haruki KONDO, Yasushi HIRATA, Hirofumi SUZUKI, Kei SUGIURA, Toru TAKEUCHI
  • Patent number: 9954344
    Abstract: A spark plug 1 includes a cylindrical housing, a cylindrical insulator, a center electrode, a terminal bracket, a ground electrode, and a resistor. The insulator is held on the inside of the housing. The center electrode 4 is held on the inside of the insulator, with a tip end being projected therefrom. The terminal bracket is held on the inside of the insulator, with a base end part and being projected therefrom. The ground electrode forms a spark discharge gap G between itself and the center electrode. The resistor contains carbon and is disposed on the inside of the insulator so as to be located between the center electrode 4 and the terminal bracket. In an axial direction X of the spark plug, the resistor has a higher carbon content in a first region positioned on a tip side, compared to a second region positioned on a base end side.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: April 24, 2018
    Assignee: DENSO CORPORATION
    Inventors: Kenji Hattori, Masamichi Shibata, Toshiya Nakamura, Yasuomi Imanaka, Hirofumi Suzuki, Hiroshi Araki, Tomoyuki Watanabe, Shin Hase
  • Publication number: 20180034246
    Abstract: A spark plug 1 includes a cylindrical housing, a cylindrical insulator, a center electrode, a terminal bracket, a ground electrode, and a resistor. The insulator is held on the inside of the housing. The center electrode 4 is held on the inside of the insulator, with a tip end being projected therefrom. The terminal bracket is held on the inside of the insulator, with a base end part and being projected therefrom. The ground electrode forms a spark discharge gap G between itself and the center electrode. The resistor contains carbon and is disposed on the inside of the insulator so as to be located between the center electrode 4 and the terminal bracket. In an axial direction X of the spark plug, the resistor has a higher carbon content in a first region positioned on a tip side, compared to a second region positioned on a base end side.
    Type: Application
    Filed: February 10, 2016
    Publication date: February 1, 2018
    Inventors: Kenji HATTORI, Masamichi SHIBATA, Toshiya NAKAMURA, Yasuomi IMANAKA, Hirofumi SUZUKI, Hiroshi ARAKI, Tomoyuki WATANABE, Shin HASE
  • Patent number: 9593016
    Abstract: A difluorophosphate effective as an additive for a nonaqueous electrolyte for secondary battery is produced by a simple method from inexpensive common materials. The difluorophosphate is produced by reacting lithium hexafluorophosphate with a carbonate in a nonaqueous solvent. The liquid reaction mixture resulting from this reaction is supplied for providing the difluorophosphate in a nonaqueous electrolyte comprising a nonaqueous solvent which contains at least a hexafluorophosphate as an electrolyte lithium salt and further contains a difluorophosphate. Also provided is a nonaqueous-electrolyte secondary battery employing this nonaqueous electrolyte.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: March 14, 2017
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Ryoichi Kato, Hirofumi Suzuki, Jun Sasahara, Hitoshi Suzuki
  • Patent number: 9583916
    Abstract: An alumina sintered body has a main phase made of alumina crystals, a first dispersed phase made of MgAl2O4 dispersed in the main phase, and a second dispersed phase made of SiO2 and/or CaO dispersed in the main phase. A content ratio of the main phase is within a range from not less than 98% to less than 98%. The alumina sintered body satisfies a relationship of 100×I2/I1?5.5%, where I1 indicates a maximum peak height intensity derived from alumina, and I2 indicates a maximum peak height intensity derived from MgAl2O4 in a X-ray diffraction of the alumina sintered body. An area ratio of the second dispersed phase on a surface of the alumina sintered body is not more than 15.2%. A spark plug has a central electrode, a ground electrode and an insulator made of the alumina sintered body having the specific features previously described.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: February 28, 2017
    Assignee: DENSO CORPORATION
    Inventors: Shota Imada, Hirofumi Suzuki, Hiroshi Araki
  • Publication number: 20160254651
    Abstract: An alumina sintered body has a main phase made of alumina crystals, a first dispersed phase made of MgAl2O4 dispersed in the main phase, and a second dispersed phase made of SiO2 and/or CaO dispersed in the main phase. A content ratio of the main phase is within a range from not less than 98% to less than 98%. The alumina sintered body satisfies a relationship of 100×I2/I1?5.5%, where I1 indicates a maximum peak height intensity derived from alumina, and I2 indicates a maximum peak height intensity derived from MgAl2O4 in a X-ray diffraction of the alumina sintered body. An area ratio of the second dispersed phase on a surface of the alumina sintered body is not more than 15.2%. A spark plug has a central electrode, a ground electrode and an insulator made of the alumina sintered body having the specific features previously described.
    Type: Application
    Filed: February 25, 2016
    Publication date: September 1, 2016
    Inventors: Shota IMADA, Hirofumi SUZUKI, Hiroshi ARAKI