Patents by Inventor Tatsuya Osaki

Tatsuya Osaki 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: 20220169965
    Abstract: Microfluidic devices with neuronal cells, muscle cells, and optionally other cell types co-cultured therein are provided. Typically one or more the cells has a mutation that contributes to or causes a neuronal or muscular disease or disorder. For example, in some embodiments, one or more of the cultured cells are derived from a subject with a neuronal or muscular disease or disorder. The microfluidic device can facilitate formation of a 3D motor unit and a neuromuscular junction in vitro, and be used to monitor the molecular, biochemical, cellular, and morphological differences in the formation of such structures by healthy and diseased cells, and for testing compounds, dosages of compounds, dosing regimes, and combinations thereof, that may improve or worsen their formation. An exemplary combination drug therapy identified in this way is also provided.
    Type: Application
    Filed: April 9, 2019
    Publication date: June 2, 2022
    Inventors: Roger Dale Kamm, Tatsuya Osaki
  • Patent number: 11267315
    Abstract: An air-conditioning device includes: a compressor; an outdoor heat exchanger; an evaporating unit configured to evaporate refrigerant a heater unit configured to heat the air by using the heat of the refrigerant a liquid receiver arranged at the downstream side of the outdoor heat exchanger and a restrictor mechanism provided between the heater unit and the outdoor heat exchanger, wherein, in an operation state in which the flow of the refrigerant is restricted by the restrictor mechanism and heat is released in the heater unit, a first operation mode and a second operation mode are switched, the first operation mode being set such that the liquid-phase refrigerant is stored in the liquid receiver and the gaseous-phase refrigerant is guided to the compressor and the second operation mode being set such that the liquid-phase refrigerant stored in the liquid receiver is guided to the evaporating unit.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: March 8, 2022
    Assignee: Marelli Cabin Comfort Japan Corporation
    Inventors: Jun Hatakeyama, Satoshi Ogihara, Tatsuya Osaki, Tomohiro Maeda, Mitsuaki Nagata, Yasuhito Ookawara
  • Patent number: 11235262
    Abstract: This gas-liquid separator is provided with: a tank part which stores and separates a refrigerant; and a pipe connection part forming outlet/inlet ports for the refrigerant from the tank part. The pipe connection part has: a first connection part having a first connection pipe which guides the refrigerant to an expansion valve; a second connection part having a second connection pipe through which the cooled refrigerant returns; a third connection part having a third connection pipe which guides the refrigerant to a compressor; a fourth connection part having a fourth connection pipe which guides the refrigerant into the tank part from an outdoor heat exchanger; and a first flow path switching valve which allows the inside of the tank part to communicate with the third connection pipe during heating operations, and allows the second connection pipe to communicate with the third connection pipe during cooling operations.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: February 1, 2022
    Assignee: Marelli Cabin Comfort Japan Corporation
    Inventors: Tatsuya Osaki, Mitsuaki Nagata, Akihiro Okajima
  • Publication number: 20200254846
    Abstract: An air-conditioning device includes: a compressor; an outdoor heat exchanger; an evaporating unit configured to evaporate refrigerant a heater unit configured to heat the air by using the heat of the refrigerant a liquid receiver arranged at the downstream side of the outdoor heat exchanger and a restrictor mechanism provided between the heater unit and the outdoor heat exchanger, wherein, in an operation state in which the flow of the refrigerant is restricted by the restrictor mechanism and heat is released in the heater unit, a first operation mode and a second operation mode are switched, the first operation mode being set such that the liquid-phase refrigerant is stored in the liquid receiver and the gaseous-phase refrigerant is guided to the compressor and the second operation mode being set such that the liquid-phase refrigerant stored in the liquid receiver is guided to the evaporating unit.
    Type: Application
    Filed: September 14, 2018
    Publication date: August 13, 2020
    Inventors: Jun Hatakeyama, Satoshi Ogihara, Tatsuya Osaki, Tomohiro Maeda, Mitsuaki Nagata, Yasuhito Ookawara
  • Publication number: 20190299126
    Abstract: This gas-liquid separator is provided with: a tank part which stores and separates a refrigerant; and a pipe connection part forming outlet/inlet ports for the refrigerant from the tank part. The pipe connection part has: a first connection part having a first connection pipe which guides the refrigerant to an expansion valve; a second connection part having a second connection pipe through which the cooled refrigerant returns; a third connection part having a third connection pipe which guides the refrigerant to a compressor; a fourth connection part having a fourth connection pipe which guides the refrigerant into the tank part from an outdoor heat exchanger; and a first flow path switching valve which allows the inside of the tank part to communicate with the third connection pipe during heating operations, and allows the second connection pipe to communicate with the third connection pipe during cooling operations.
    Type: Application
    Filed: November 8, 2017
    Publication date: October 3, 2019
    Inventors: Tatsuya Osaki, Mitsuaki Nagata, Akihiro Okajima
  • Publication number: 20190291542
    Abstract: This air conditioning device, which is installed in a vehicle, is provided with a gas-liquid separator which separates liquid-phase refrigerant and gas-phase refrigerant, guides, to a compressor, the gas-phase refrigerant flowing in from an outdoor heat exchanger during heating operations, and guides, to an expansion valve, the liquid-phase refrigerant flowing in from the outdoor heat exchanger during cooling operations. The gas-liquid separator is provided further rearward inside the vehicle than the outdoor heat exchanger. The compressor is provided further rearward inside the vehicle than the gas-liquid separator.
    Type: Application
    Filed: November 8, 2017
    Publication date: September 26, 2019
    Applicant: Calsonic Kansei Corporation
    Inventors: Tatsuya OSAKI, Mitsuaki NAGATA, Akihiro OKAJIMA
  • Patent number: 9771936
    Abstract: A gas compressor includes at least two first and second discharge ports (45a, 45b) which are provided at an upstream side in a rotation direction of a rotor (50) along a peripheral direction of an inner peripheral surface 40a of a cylinder (40) with respect to a closest area (proximity part (48)) where the inner peripheral surface (40a) of the cylinder (40) and an outer peripheral surface (50a) of the rotor (50) are closest in a range of one revolution of a rotation shaft (51) and configured to discharge the refrigerant gas compressed in compression chambers (43). Of the first and second discharge ports (45a, 45b), on only the first discharge port (45a) closest to the proximity part (48), a cutout groove portion (47) is provided at a downstream-side edge portion of the first discharge port (45a) in the rotation direction of the rotor (50).
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: September 26, 2017
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Kouji Hirono, Hirotada Shimaguchi, Masahiro Tsuda, Shizuma Kaneko, Tatsuya Osaki
  • Patent number: 9751384
    Abstract: A gas compressor includes a cylinder member, a rotor, and a plurality of vanes, wherein a proximal section is provided between the cylinder member and the rotor, so that a single cylinder room which performs a refrigerant gas compression cycle one-time per one rotation of the rotor is defined, and at least one sub-discharge section which maintains pressure of the refrigerant gas in a compression room in discharge pressure by releasing pressure of the compression room when the pressure of the refrigerant gas in the compression room reaches the discharge pressure.
    Type: Grant
    Filed: November 22, 2012
    Date of Patent: September 5, 2017
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Hirotada Shimaguchi, Kouji Hirono, Masahiro Tsuda, Tatsuya Osaki, Shizuma Kaneko
  • Patent number: 9695818
    Abstract: A compressor (100) has a compressor main body (60) formed so that one stroke cycle is performed in a compression room (43) which is partitioned by a rotor (50), cylinder (40), side blocks (20, 30), and vanes (58) during one revolution of the rotor (50). A cyclone block (70) separates a refrigerant oil (R) from refrigerant gas (G), wherein a second discharge section (46) which discharge the refrigerant gas (G) when the pressure inside the compression room (43) reaches the discharge pressure before the compression room (43) faces a first discharge section (45) is formed, and a communicating path (39) which connects a discharge chamber (45a) in the first discharge section (45) and a discharge chamber (46a) in the second discharge section (46) is formed on the upper stream side from the cyclone block (70).
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: July 4, 2017
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Masahiro Tsuda, Hirotada Shimaguchi, Tatsuya Osaki, Kouji Hirono, Shizuma Kaneko
  • Patent number: 9695691
    Abstract: A compressor body is formed such that a compression chamber is divided by a rotor, a cylinder, side blocks and vanes, a housing which covers the compressor body is included, and an outline shape of a cross section of an inner circumferential surface of the cylinder is formed such that, in a period of one rotation of the rotor, (i) a region in which a capacity of the compression chamber increases, (ii) a region in which the capacity of the compression chamber reduces, (iii) a region in which a capacity reduction rate of the compression chamber is smaller than a capacity reduction rate of the region (ii), and (iv) a region in which the capacity reduction rate of the compression chamber is larger than a capacity reduction rate of the region (iii) are consecutively provided in order.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: July 4, 2017
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Hirotada Shimaguchi, Masahiro Tsuda, Kouji Hirono, Tatsuya Osaki
  • Patent number: 9528514
    Abstract: In a gas compressor, an outline shape of an inner peripheral surface (41) of a cylinder (40) is set such that in a point before a first compression chamber (43B) adjacent to a second compression chamber (43A) in an upstream side in a rotational direction (W) is exposed to a discharge hole (45b) of a primary discharge portion (45) with rotation of a rotor (50) in the rotational direction (W) (point where the first compression chamber (43B) is positioned upstream of an angular position of being exposed to the discharge hole (45b) of the primary discharge portion (45)), a pressure of refrigerant gas (G) inside the compression chamber (43) reaches a discharge pressure. Therefore, the discharge hole (45b) of the primary discharge portion (45) always discharges the refrigerant gas (G) from the compression chamber (43).
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: December 27, 2016
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Hirotada Shimaguchi, Kouji Hirono, Masahiro Tsuda, Tatsuya Osaki, Shizuma Kaneko
  • Publication number: 20150152870
    Abstract: An electric compressor and a method for assembling the same include: an electric motor unit including a stator fixed to a housing by a press-fitting to an inner peripheral wall of the housing and a rotor rotatably arranged inside the stator; a compression unit configured to be driven by a rotational drive force of the electric motor unit and compress a coolant; and a guide member attached to an outer periphery of the stator and having a guiding curved surface portion configured to guide the press-fitting of the stator to the inner peripheral wall of the housing.
    Type: Application
    Filed: May 24, 2013
    Publication date: June 4, 2015
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Tatsuya Osaki, Hirotada Shimaguchi, Masahiro Tsuda, Kouji Hirono, Toshikatsu Miyaji, Kazumichi Okano
  • Publication number: 20150147213
    Abstract: A gas compressor includes at least two first and second discharge ports (45a, 45b) which are provided at an upstream side in a rotation direction of a rotor (50) along a peripheral direction of an inner peripheral surface 40a of a cylinder (40) with respect to a closest area (proximity part (48)) where the inner peripheral surface (40a) of the cylinder (40) and an outer peripheral surface (50a) of the rotor (50) are closest in a range of one revolution of a rotation shaft (51) and configured to discharge the refrigerant gas compressed in compression chambers (43). Of the first and second discharge ports (45a, 45b), on only the first discharge port (45a) closest to the proximity part (48), a cutout groove portion (47) is provided at a downstream-side edge portion of the first discharge port (45a) in the rotation direction of the rotor (50).
    Type: Application
    Filed: May 30, 2013
    Publication date: May 28, 2015
    Applicant: CALSONIC KANSEL CORPORATION
    Inventors: Kouji Hirono, Hirotada Shimaguchi, Masahiro Tsuda, Shizuma Kaneko, Tatsuya Osaki
  • Publication number: 20150147216
    Abstract: A compressor body (60) which is formed such that a compression chamber (43A) dr ivied by a rotor (50), a cylinder (40), side blocks (20, 30) and vanes (58) performs only one cycle of intake, compression and discharge in a period of one rotation of the rotor (50), and a housing (10) which covers the compressor body (60) are included, and an outline shape of a cross-section of an inner circumferential surface (41) of the cylinder (40) is formed such that in the period of the one rotation of the rotor (50), (i) a region in which a capacity of the compression chamber 43A rapidly increases, (ii) a region in which the capacity of the compression chamber 43A rapidly reduces, (iii) a region in which a capacity reduction rate of the compression chamber 43A is smaller than a capacity reduction rate of the region (ii), and (iv) a region in which the capacity reduction rate of the compression chamber 43A is larger than a capacity reduction rate of the region (iii) are consecutively provided in order.
    Type: Application
    Filed: July 1, 2013
    Publication date: May 28, 2015
    Inventors: Hirotada Shimaguchi, Masahiro Tsuda, Kouji Hirono, Tatsuya Osaki
  • Publication number: 20150132168
    Abstract: A compressor (100) comprises: a compressor main body (60) being formed so that one cycle of stroke is performed by a compression room (43) which is partitioned by a rotor (50), cylinder (40), both side blocks (20, 30), and vanes (58) during one revolution of the rotor (50); a cyclone block (70) which separates a refrigerant oil (R) from refrigerant gas (G), wherein a second discharge section (46) which discharge the refrigerant gas (G) when the pressure inside the compression room (43) reaches the discharge pressure before the compression room (43) faces a first discharge section (45) is formed, and a communicating path (39) which connects a discharge chamber (45a) in the first discharge section (45) and a discharge chamber (46a) in the second discharge section (46) is formed on the upper stream side of than the cyclone block (70).
    Type: Application
    Filed: May 20, 2013
    Publication date: May 14, 2015
    Applicant: Calsonic Kansei Corporation
    Inventors: Masahiro Tsuda, Hirotada Shimaguchi, Tatsuya Osaki, Kouji Hirono, Shizuma Kaneko
  • Publication number: 20150064042
    Abstract: In a gas compressor, an outline shape of an inner peripheral surface (41) of a cylinder (40) is set such that in a point before a compression chamber (43B) adjacent to a compression chamber (43A) in the upstream side in the rotational direction (W) is exposed to a discharge hole (45b) of a primary discharge portion (45) with rotation of a rotor (50) in the rotational direction (W) (point where the compression chamber (43B) is positioned upstream of an angular position of being exposed to the discharge hole (45b) of the primary discharge portion (45)), a pressure of the refrigerant gas (G) inside the compression chamber (43) reaches a discharge pressure. Therefore the discharge hole (45b) of the primary discharge portion (45) always discharges a refrigerant gas (G) from the compression chamber (43) to prevent generation of the discharge pulsation.
    Type: Application
    Filed: March 28, 2013
    Publication date: March 5, 2015
    Inventors: Hirotada Shimaguchi, Kouji Hirono, Masahiro Tsuda, Tatsuya Osaki, Shizuma Kaneko
  • Publication number: 20140369878
    Abstract: A gas compressor includes a cylinder member (40), a rotor (50), and a plurality of vanes (58), wherein a proximal section (48) is provided between the cylinder member (40) and the rotor (50), so that a single cylinder room (42) which performs a refrigerant gas (G) compression cycle one-time per one rotation of the rotor (50) is formed, and at least one sub-discharge section (46) which maintains pressure of the refrigerant gas (G) in a compression room (43) in discharge pressure (P) by releasing the pressure of the compression room (43) when the pressure of the refrigerant gas (G) in the compression room (43) reaches the discharge pressure (P).
    Type: Application
    Filed: November 22, 2012
    Publication date: December 18, 2014
    Inventors: Hirotada Shimaguchi, Kouji Hirono, Masahiro Tsuda, Tatsuya Osaki, Shizuma Kaneko
  • Publication number: 20140112817
    Abstract: A rotor of a vane compressor includes vanes that reciprocates in vane slots, coil springs that urge the vanes, and guide members each having a press-in end pressed into the vane and an accommodated end and inserted into the coil spring. When an outer diameter of the guide member is a, an inner diameter of the coil spring is b1, an outer diameter thereof is b2, and an inner diameter an accommodation hole for the coil spring is c, (b1?a)<(c?b2) is satisfied. A diameter of an end (a first contact portion) of the coil spring on a side of the accommodated end is larger than a diameter of another end (a second contact portion) thereof on a side of the press-in end. According to the compressor, contacts between the accommodation hole and the guide member can be prevented without high accuracy forming of the accommodation hole.
    Type: Application
    Filed: May 31, 2012
    Publication date: April 24, 2014
    Inventors: Tatsuya Osaki, Masahiro Tsuda, Hirotada Shimaguchi, Toshikatsu Miyaji, Kouji Hirono
  • Publication number: 20130207509
    Abstract: Provided is an electric compressor (1), which drives, in a cylindrical housing (2), a compressor (4) using an electric motor (3) disposed in the housing (2). The electric compressor is characterized in that the electric motor (3) is formed with a stator (7), which is fixed to the housing (2), and which generates a magnetic force when a current is carried, and a rotor (9), which is rotatably disposed inside of the stator (7), and which rotates with the magnetic force generated by the stator (7). The electric compressor is also characterized in that the stator (7) is press-fitted in a cylindrical body (6) composed of a material having a linear expansion coefficient close to that of the stator (7), and that the cylindrical body (6) is partially press-fitted at a plurality of areas in the inner wall (10) of the housing (2).
    Type: Application
    Filed: October 7, 2011
    Publication date: August 15, 2013
    Inventors: Hirotada Shimaguchi, Toshikatsu Miyaji, Tatsuya Osaki