Patents by Inventor Hiroki Matsui

Hiroki Matsui 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: 20140319775
    Abstract: The invention provides a sealing device which can inhibit an external dust in an atmospheric side from intruding into a lip end, thereby inhibiting a sealing fluid leakage by trapped dust. In a sealing device inhibiting leakage of a sealing fluid in an inboard side to an atmospheric side, coming into contact with a shaft by a seal lip end and circumferentially having in an atmospheric side inclined surface of the seal lip with a plurality of screws exerting a pumping action to the sealing fluid, a three-dimensional shape for preventing the dust intrusion is provided between the screws so as to inhibit the external dust intrusion in the atmospheric side toward the lip end. The three-dimensional shape is constructed by a projection or a groove extending in a parallel direction to the lip end. The projection or the groove is connected to the screws longitudinally in both end portions.
    Type: Application
    Filed: December 11, 2012
    Publication date: October 30, 2014
    Inventors: Makoto Kamemura, Hiroki Matsui, Hideharu Hyakutake, Tomoaki Nishimura
  • Publication number: 20140320110
    Abstract: A measuring apparatus for measuring a characteristic of a crystal unit includes an input unit, a measuring unit, a storage unit, and a calibrating unit. The input unit is configured to input a measurement signal into the crystal unit. The measuring unit is configured to measure the characteristic of the crystal unit based on an output signal output from the crystal unit with respect to the measurement signal. The storage unit is configured to associate calibration data with a measuring condition to measure the characteristic of the crystal unit, and store the associated data. The calibration data is generated based on a measurement result measured by the measuring unit with connecting a short-circuit element instead of the crystal unit. The calibrating unit is configured to calibrate the characteristic of the crystal unit measured by the measuring unit based on the calibration data.
    Type: Application
    Filed: April 22, 2014
    Publication date: October 30, 2014
    Applicant: NIHON DEMPA KOGYO CO., LTD.
    Inventors: HIROKI MATSUI, KAZUNORI HASEGAWA
  • Publication number: 20140219779
    Abstract: An inlet portion (31) of a compressor housing (30) forms part of an intake passage, and a drawing passage (35), which extends through the inlet portion (31), draws blow-by gas from outside the inlet portion (31) to inside the inlet portion (31). A throttling portion (47) is formed inside the inlet portion (31) and arranged at a joined portion of the intake passage and the drawing passage (35) so that a cross-sectional passage area at the joined portion is smaller than a cross-sectional passage area of a portion located at an intake air upstream side of the joined portion and a cross-sectional passage area of a portion located at an intake air downstream side of the joined portion.
    Type: Application
    Filed: October 19, 2011
    Publication date: August 7, 2014
    Inventor: Hiroki Matsui
  • Publication number: 20140142795
    Abstract: A control system includes a drive source including an engine and a motor. A clutch is provided between the drive source and a driving wheel, wherein the clutch is engaged when a drive range is selected. The system performs, by a speed control of the motor, a control for keeping an input speed of the clutch at a target speed that is equal to the input speed at start of an engagement control of the clutch. The system judges that the clutch has started to be engaged, in response to a condition that a parameter has exceeded a predetermined threshold value when in a start region of the engagement control of the clutch, wherein the parameter changes along with a rotational fluctuation of the drive source. The system starts the judgment after awaiting satisfaction of a predetermined condition after the start of the engagement control of the clutch.
    Type: Application
    Filed: June 25, 2012
    Publication date: May 22, 2014
    Applicants: NISSAN MOTOR CO., LTD., JATCO Ltd
    Inventors: Hiromichi Akebono, Hiroki Matsui
  • Publication number: 20140129071
    Abstract: A control device of an FR hybrid vehicle is provided with: a drive source that contains at least an engine (Eng); and a second brake (B2) that is fastened when a D range is selected. In the range of starting of fastening control of the second brake (B2), when the parameters (rate of input rotational frequency change and amount of motor torque change) that change along with the rotational fluctuation of the engine (Eng) become at least a predetermined threshold, it is judged that the second brake (B2) has started fastening. When in a state wherein the rotational fluctuations of the engine (Eng) can be determined to be large, the absolute value of the predetermined threshold is set to a value that is larger than when in a state wherein the rotational fluctuations of the engine (Eng) can be determined to be small.
    Type: Application
    Filed: June 25, 2012
    Publication date: May 8, 2014
    Inventors: Hiromichi Akebono, Hiroki Matsui
  • Patent number: 8714561
    Abstract: To improve durability of a seal lip (4) of an oil seal (1) in slidably contact with the peripheral surface of a shaft (23), a lubricating oil supply section (11) for collecting adhered oil and dropping it on the shaft (23) is provided at a forward end portion of an installation section (2), the lubricating oil supply section (11) has projections (12) formed on the inner peripheral surface of the installation section (2) to collect oil on the surface thereof, the surface of each projection (12) has a recess (13) for temporarily accumulating oil, guidance projections, or a slope for collecting the oil, and dams are formed on a forward end face (2a) of the installation section (2) to block the oil flowing down along the circumferential direction on the forward end face (2a) and guides the oil toward each projection (12).
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: May 6, 2014
    Assignee: Nok Corporation
    Inventors: Satoshi Yamanaka, Takehiro Nakagawa, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui, Hideyuki Furuyama, Go Kanzaki, Shinya Takeda, Kei Sasaki, Akira Yamaguchi
  • Publication number: 20140119907
    Abstract: A turbine housing includes an outer housing member, which has a proximal housing portion and a distal housing portion, and an inner housing member, which is provided inside the outer housing member and has a shroud surface that faces a turbine wheel in an axial direction. A distal portion of the inner housing member serves as a slide portion slidable in the axial direction. Further, a proximal portion of the inner housing member is fixed to the proximal housing portion at a part closer to a distal side than a proximal portion of the proximal housing portion. Further, a scroll portion is formed by the inner housing member and a proximal scroll portion of the proximal housing portion located closer to a proximal side than the inner housing member.
    Type: Application
    Filed: July 6, 2011
    Publication date: May 1, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Osamu Maeda, Kouji Nagai, Tomoyuki Isogai, Hiroki Matsui, Masanori Saeki
  • Patent number: 8646840
    Abstract: A vehicle seat assembly includes a base portion, a support bracket, a seatback frame and a cushion frame. The support bracket is pivotally coupled to the base portion about a first axis. The seatback frame is pivotally coupled to the support bracket about a second axis that is spaced apart from the first axis. The cushion frame is pivotally coupled to the support bracket about a third axis that is spaced apart from both the first and second axes, such that the seatback frame and the cushion frame move with the support bracket relative to the base portion when the support bracket pivots about the first axis.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: February 11, 2014
    Assignee: Nissan North America, Inc.
    Inventors: Slavko Stojanovic, Aaron Pfau, Randy Dale, Richard Miller, Masashi Okumura, Hiroki Matsui, Chiyoko Murata, Takenori Kiyose, Kimihiro Yano
  • Publication number: 20130281655
    Abstract: The present invention relates to a polyamide obtainable by polymerizing an (a) dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and a (b) diamine comprising at least 50 mol % of a diamine having a substituent branched from a main chain.
    Type: Application
    Filed: June 19, 2013
    Publication date: October 24, 2013
    Inventors: Yasukazu SHIKANO, Teruaki SAKUMA, Hiroki MATSUI, Masaaki ARAMAKI, Yu NITTO, Shinji IEDA
  • Patent number: 8558683
    Abstract: A display apparatus for a vehicle includes: a display element; an image generation element for generating a vehicle image, an analog image and an indication image; and a display controller. The analog image includes an indication position and multiple indexes arranged on an upside and downside of the indication position. The indication image shows the current vehicle speed at the indication position. Each index shows a corresponding vehicle speed. Display dimensions of each index are inverse proportion to the corresponding vehicle speed, and a distance between the indication position and each index is proportion to a difference between the current vehicle speed and the corresponding vehicle speed. The display controller controls the display element to display the indication image at the indication position of the analog image.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: October 15, 2013
    Assignee: Denso Corporation
    Inventors: Ryoichi Nishikawa, Yasuhisa Yamashita, Hiroki Matsui, Takaaki Muramatsu, Kenichirou Karikomi, Tomoyuki Miyagaki, Hitoshi Sugiyama
  • Publication number: 20130211653
    Abstract: Provided is a hybrid vehicle in which a motor/generator 5 is positioned between an engine 1 and an automatic transmission 3, the engine 1 and the motor/generator 5 are connected through a first clutch 6 and a second clutch 7 is provided between the motor/generator 5 and a drive road wheel 2. In an HEV mode in which the first clutch 6 is engaged, when deceleration of a vehicle is determined to be rapid deceleration of a threshold value or greater, the first clutch 6 is released and at the same time fuel supply to the engine 1 is stopped through an engine controller 21. Even when, due to rapid decelerating, the engine speed Ne drops to an idling speed or lower due to delay in the release of the first clutch 6, there is no combustion or explosion and thus floor vibration does not occur.
    Type: Application
    Filed: October 5, 2011
    Publication date: August 15, 2013
    Inventors: Hiroki Matsui, Haruhisa Tsuchikawa, Hiroki Shimoyama
  • Patent number: 8487024
    Abstract: The present invention relates to a polyamide obtainable by polymerizing an (a) dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and a (b) diamine comprising at least 50 mol % of a diamine having a substituent branched from a main chain.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: July 16, 2013
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Yasukazu Shikano, Teruaki Sakuma, Hiroki Matsui, Masaaki Aramaki, Yu Nitto, Shinji Ieda
  • Publication number: 20130093145
    Abstract: An electrostatic chuck comprises a ceramic dielectric body having an electrode formed on a surface of the ceramic dielectric body; a ceramic substrate supporting the ceramic dielectric body; and a first bonding agent bonding the ceramic dielectric body to the ceramic substrate. The first bonding agent has a first major agent including an organic material, a first amorphous filler including an inorganic material, and a first spherical filler including an inorganic material. The first amorphous filler and the first spherical filler are dispersion-compounded in the first major agent. The first major agent, the first amorphous filler, and the first spherical filler are made of an electrically insulating material. An average diameter of the first spherical filler is greater than a maximum value of a minor axis of all of the first amorphous filler. A thickness of the first bonding agent is equal to or greater than the average diameter of the first spherical filler.
    Type: Application
    Filed: March 23, 2011
    Publication date: April 18, 2013
    Applicant: TOTO LTD.
    Inventors: Hiroaki Hori, Hiroki Matsui, Ikuo Itakura
  • Patent number: 8413995
    Abstract: For an oil seal (1) having a seal lip (6) with a slope (7) at the side of sealed fluid and a slope (8) at the side opposite to the sealed fluid, and a screw section (9) provided on the slope (8) for pushing back sealed fluid by a pumping effect at a time of rotation, in order to achieve low torque characteristics based on fluid lubrication by increasing the thickness of an oil film on sliding surfaces, an intermediate surface (10) is provided between the slopes (7, 8), and an oppositely threaded screw section (11) for sucking the sealed fluid by a pumping effect is provided on the intermediate surface (10) without reaching the boundary (13) between the intermediate surface (10) and the slope (8), so that a threadless region is provided in the entire circumference between the screw section (11) and the boundary (13).
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: April 9, 2013
    Assignee: NOK Corporation
    Inventors: Hiroki Matsui, Masayuki Tanida, Hirotaka Mizuta, Hideyuki Furuyama, Ken Yoshikawa, Yuki Sato
  • Publication number: 20130039750
    Abstract: A compressor housing is provided with a scroll piece that includes a cylindrical intake port forming section that forms an intake port, a scroll wall surface forming section that forms an air-intake side wall surface of a discharge scroll chamber, and a scroll outer circumferential section that covers an outer circumferential side of the discharge scroll chamber; a shroud piece that includes a cylindrical shroud press fitted section press fitted into the intake port forming section, and a shroud wall surface forming section that forms an inner circumferential side wall surface of the discharge scroll chamber and also forms a shroud surface that opposes an impeller and a diffuser surface; and an outer circumferential annular piece that includes an outer circumferential annular press fitted section that is press fitted inside the scroll outer circumferential section, and an outer circumferential annular wall surface forming section that forms an outer circumferential side wall surface of the discharge scroll ch
    Type: Application
    Filed: March 30, 2011
    Publication date: February 14, 2013
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, OTICS CORPORATION
    Inventors: Ryu Osuka, Hiroki Matsui, Tomoyuki Isogai
  • Publication number: 20120248715
    Abstract: According to one embodiment, an electrostatic chuck includes: a ceramic dielectric substrate, an electrode, and a conductive member. The ceramic dielectric substrate has a first major surface on which a material to be adsorbed is to be mounted and a second major surface on a side opposite the first major surface. The electrode is interposed between the first major surface and the second major surface of the ceramic dielectric substrate. The conductive member is provided in a recess formed in the second major surface of the ceramic dielectric substrate. A tip end of the recess has a curved surface.
    Type: Application
    Filed: March 23, 2012
    Publication date: October 4, 2012
    Applicant: TOTO LTD.
    Inventors: Shunpei KONDO, Hiroki MATSUI
  • Publication number: 20120203417
    Abstract: A hybrid vehicle has, on a driveline, an engine, a motor/generator, a clutch and driving wheels, and transmits a driving force from the engine to the driving wheels through the motor/generator and the engaged clutch and brings a drive load that is applied to the engine from the driving wheels to a no-load state by disengagement of the clutch. A control apparatus of the hybrid vehicle has a racing control section which, when an accelerator depression operation is done in a state in which the engine is in the no-load state, in a case where a torque absorption restriction condition that restricts torque absorption by the motor/generator with an engine torque being a power-generation torque is satisfied, restricts an rotation speed of the engine.
    Type: Application
    Filed: October 13, 2010
    Publication date: August 9, 2012
    Inventor: Hiroki Matsui
  • Patent number: 8220803
    Abstract: To improve durability of a seal lip (4) of an oil seal (1) in slidably contact with the peripheral surface of a shaft (23), a lubricating oil supply section (11) for collecting adhered oil and dropping it on the shaft (23) is provided at a forward end portion of an installation section (2), the lubricating oil supply section (11) has projections (12) formed on the inner peripheral surface of the installation section (2) to collect oil on the surface thereof, the surface of each projection (12) has a recess (13) for temporarily accumulating oil, guidance projections, or a slope for collecting the oil, and dams are formed on a forward end face (2a) of the installation section (2) to block the oil flowing down along the circumferential direction on the forward end face (2a) and guides the oil toward each projection (12).
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: July 17, 2012
    Assignee: NOK Corporation
    Inventors: Satoshi Yamanaka, Takehiro Nakagawa, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui, Hideyuki Furuyama, Go Kanzaki, Shinya Takeda, Kei Sasaki, Akira Yamaguchi
  • Publication number: 20120161486
    Abstract: A vehicle seat assembly includes a base portion, a support bracket, a seatback frame and a cushion frame. The support bracket is pivotally coupled to the base portion about a first axis. The seatback frame is pivotally coupled to the support bracket about a second axis that is spaced apart from the first axis. The cushion frame is pivotally coupled to the support bracket about a third axis that is spaced apart from both the first and second axes, such that the seatback frame and the cushion frame move with the support bracket relative to the base portion when the support bracket pivots about the first axis.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 28, 2012
    Applicant: Nissan North America, Inc.
    Inventors: Slavko Stojanovic, Aaron Pfau, Randy Dale, Richard Miller, Masashi Okumura, Hiroki Matsui, Chiyoko Murata, Takenori Kiyose, Kimihiro Yano
  • Publication number: 20120086173
    Abstract: To improve durability of a seal lip (4) of an oil seal (1) in slidably contact with the peripheral surface of a shaft (23), a lubricating oil supply section (11) for collecting adhered oil and dropping it on the shaft (23) is provided at a forward end portion of an installation section (2), the lubricating oil supply section (11) has projections (12) formed on the inner peripheral surface of the installation section (2) to collect oil on the surface thereof, the surface of each projection (12) has a recess (13) for temporarily accumulating oil, guidance projections, or a slope for collecting the oil, and dams are formed on a forward end face (2a) of the installation section (2) to block the oil flowing down along the circumferential direction on the forward end face (2a) and guides the oil toward each projection (12).
    Type: Application
    Filed: October 31, 2011
    Publication date: April 12, 2012
    Inventors: Satoshi Yamanaka, Takehiro Nakagawa, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui, Hideyuki Furuyama, Go Kanzaki, Shinya Takeda, Kei Sasaki, Akira Yamaguchi