Patents by Inventor Tetsuya Ogawa
Tetsuya Ogawa 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).
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Patent number: 10790522Abstract: A fuel cell module includes a fuel cell stack, a reformer, and an exhaust gas combustor. The fuel cell module further includes an exhaust gas combustion chamber equipped with the exhaust gas combustor and a preheating unit for heating a raw fuel by combustion exhaust gas produced in the exhaust gas combustor before the raw fuel is supplied to the reformer. The preheating unit forms one surface of the exhaust gas combustion chamber.Type: GrantFiled: December 30, 2015Date of Patent: September 29, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Yukihisa Kanao, Yuki Yoshimine, Tetsuya Ogawa
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Publication number: 20200291350Abstract: The presently disclosed subject matter is to provide a hepatocyte structure, particularly, a hepatocyte structure that mimics nonalcoholic steatohepatitis (NASH). A hepatocyte construct including an aggregate containing hepatocytes and adherent cells that are non-hepatocytes, and wherein the hepatocytes include ballooned hepatocytes is provided. Further, a method for producing a hepatocyte construct, comprising: (i) forming an aggregate by aggregating a cell group comprising hepatocytes and adherent cells that are non-hepatocytes; and (ii) culturing the aggregate is provided.Type: ApplicationFiled: July 3, 2019Publication date: September 17, 2020Applicants: NIHON KOHDEN CORPORATION, TOKYO WOMEN'S MEDICAL UNIVERSITYInventors: Botao GAO, Yuki KAGAWA, Tetsuya OGAWA, Hirotsugu KUBO, Tatsuya SHIMIZU, Katsuhisa SAKAGUCHI
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Patent number: 10773932Abstract: Provided is an electric winch apparatus capable of preventing irregular winding of a wire rope caused by landing of a hoisted-down suspended load. The electric winch apparatus includes a winch drum (5) around which a wire rope (2) is wound, an electric motor (8) which rotates the winch drum (5), an operation lever (13a), a measurement unit (18) which measures a tension index value corresponding to a tension in the wire rope (2), and a controller (12) which controls motion of the electric motor (8). The controller (12) stops motion of the electric motor (8) when an operation in a lowering operation direction is applied the operation lever (13a) and a tension average value as an average value of a tension in the wire rope (2) becomes less than or equal to a predetermined tension reference value, the average value of the tension corresponding to an average value of the tension index value in a predetermined period.Type: GrantFiled: September 4, 2017Date of Patent: September 15, 2020Assignees: KOBELCO CONSTRUCTION MACHINERY CO., LTD., Kobe Steel, Ltd.Inventors: Tetsuya Ogawa, Shintaroh Sasai, Koji Inoue, Takashi Hiekata
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Patent number: 10769507Abstract: An image forming apparatus includes a conveyor, a sensor, and control circuitry. The conveyor is configured to convey a sheet. The sensor is configured to detect the sheet conveyed by the conveyor. The control circuitry is configured to cause the conveyor to eject the sheet without stopping conveyance of the sheet and prohibit recovery printing when a size of the sheet determined based on detection of the sheet by the sensor is different from a setting size in a first operation mode. The control circuitry is configured to cause the conveyor to stop conveyance of the sheet and allow recovery printing when the size of the sheet is different from the setting size in a second operation mode in which a number of times of printing is larger than a number of times of printing in the first operation mode.Type: GrantFiled: August 23, 2019Date of Patent: September 8, 2020Assignee: Ricoh Company, Ltd.Inventors: Tetsuya Ogawa, Takahiro Miyakawa
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Publication number: 20200277988Abstract: This half thrust bearing having a half-ring shape has: a sliding surface for receiving force in the axial direction; a back surface opposed to the sliding surface; and a resin covering layer on the sliding surface. The half thrust bearing is characterized in that the thickness of the resin covering layer is greatest at the circumferential central part of the half thrust bearing, and becomes lesser toward both circumferential ends of the half thrust bearing. The present invention also pertains to a thrust bearing, a bearing device, and an internal combustion engine.Type: ApplicationFiled: November 8, 2018Publication date: September 3, 2020Inventors: Tetsuya OGAWA, Kazuki SAKAI
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Publication number: 20200123489Abstract: A sample storage apparatus includes: a lid member; a sample storage container; first and second fluid sucking sections; first and second fluid discharging sections; first to fourth flow paths; and a first fluid identification sensor. The first flow path is connected to the first fluid sucking section, the second flow path is connected to the second fluid sucking section, the third flow path is connected to the first fluid discharging section, and the fourth flow path is connected to the second fluid discharging section. The first fluid identification sensor for identifying a fluid is disposed in the first flow path.Type: ApplicationFiled: October 22, 2019Publication date: April 23, 2020Applicants: NIHON KOHDEN CORPORATION, OSAKA UNIVERSITYInventors: Hodaka MAKINO, Hirotsugu KUBO, Tetsuya OGAWA, Masahiro KINOOKA
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Publication number: 20200074252Abstract: An image forming apparatus includes a conveyor, a sensor, and control circuitry. The conveyor is configured to convey a sheet. The sensor is configured to detect the sheet conveyed by the conveyor. The control circuitry is configured to cause the conveyor to eject the sheet without stopping conveyance of the sheet and prohibit recovery printing when a size of the sheet determined based on detection of the sheet by the sensor is different from a setting size in a first operation mode. The control circuitry is configured to cause the conveyor to stop conveyance of the sheet and allow recovery printing when the size of the sheet is different from the setting size in a second operation mode in which a number of times of printing is larger than a number of times of printing in the first operation mode.Type: ApplicationFiled: August 23, 2019Publication date: March 5, 2020Applicant: Ricoh Company, Ltd.Inventors: TETSUYA OGAWA, TAKAHIRO MIYAKAWA
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Publication number: 20190300339Abstract: An output-torque estimation unit obtains a value of a current input to a motor, from a power converter, and calculates an estimated output torque value which is an estimated value of output torque of the motor, from the obtained value of the current. A load estimation unit estimates a load value of a hanging cargo based on the estimated output torque value which is calculated by the output-torque estimation unit, a speed reduction ratio of a speed reducer, an effective radius of a winch drum, and the winding number which is set by the number setting unit.Type: ApplicationFiled: June 5, 2017Publication date: October 3, 2019Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.), KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroaki KAWAI, Takashi HIEKATA, Koji INOUE, Takashi TOKUYAMA, Hiroshi HASHIMOTO, Toshiaki SHIMODA, Shintaroh SASAI, Tetsuya OGAWA, Toshiro YAMASHITA
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Patent number: 10431831Abstract: A catalyst particle is composed of an inner particle and an outermost layer that includes platinum and covers the inner particle. The inner particle includes on at least a surface thereof a first oxide having an oxygen defect.Type: GrantFiled: April 13, 2017Date of Patent: October 1, 2019Assignees: Toyota Jidosha Kabushiki Kaisha, University of MiyazakiInventors: Go Sakai, Tatsuya Arai, Tetsuya Ogawa, Koshi Sekizawa, Naoki Takehiro
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Patent number: 10399828Abstract: An electrically driven winch device includes a winch drum, a plurality of axial-gap electric motors, and a drive shaft. The winch drum rotates around a drum axis in order to wind or unwind a work rope. The plurality of electric motors are electric motors configured to drive the winch drum to rotate, and are each provided with a stator, and rotors which rotate around a rotation axis and are disposed at an axial distance from the stator. The drive shaft is disposed coaxially with the drum axis and serially connects the rotors of the plurality of electric motors on the rotation axis.Type: GrantFiled: October 7, 2016Date of Patent: September 3, 2019Assignees: Kobe Steel, Ltd., KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Takashi Hiekata, Koji Inoue, Hiroaki Kawai, Shintaroh Sasai, Tetsuya Ogawa, Toshiro Yamashita
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Publication number: 20190256328Abstract: Provided is an electric winch apparatus capable of preventing irregular winding of a wire rope caused by landing of a hoisted-down suspended load. The electric winch apparatus includes a winch drum (5) around which a wire rope (2) is wound, an electric motor (8) which rotates the winch drum (5), an operation lever (13a), a measurement unit (18) which measures a tension index value corresponding to a tension in the wire rope (2), and a controller (12) which controls motion of the electric motor (8). The controller (12) stops motion of the electric motor (8) when an operation in a lowering operation direction is applied the operation lever (13a) and a tension average value as an average value of a tension in the wire rope (2) becomes less than or equal to a predetermined tension reference value, the average value of the tension corresponding to an average value of the tension index value in a predetermined period.Type: ApplicationFiled: September 4, 2017Publication date: August 22, 2019Applicants: KOBELCO CONSTRUCTION MACHINERY CO., LTD., KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)Inventors: Tetsuya OGAWA, Shintaroh SASAI, Koji INOUE, Takashi HIEKATA
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Publication number: 20190247842Abstract: An aseptic sampling apparatus includes an isolator, a liquid delivery port that is disposed in the isolator, a sampling section that is disposed inside the isolator, a first flow path that communicates with a discharge flow path of the sampling section, and that connects an inside and outside of the isolator to each other through the liquid delivery port, a fluid supplying unit that supplies a fluid to the sampling section, a gas supplying unit that communicates with the fluid supplying unit, and a seal member that prevents the fluid supplied from fluid supplying unit to the discharge flow path from leaking.Type: ApplicationFiled: January 3, 2019Publication date: August 15, 2019Applicants: NIHON KOHDEN CORPORATION, OSAKA UNIVERSITYInventors: Hodaka MAKINO, Hirotsugu KUBO, Tetsuya OGAWA, Masahiro KINOOKA
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Patent number: 10381890Abstract: An axial gap type dynamo-electric machine (1) comprises: a stator (2) provided with a magnetic core (21) and an exciting coil (22); a rotor (3) provided with a plurality of permanent magnets (4) circumferentially arranged around a rotation center axis (AX), the rotor (3) being also provided with a disk-shaped base material (31) for supporting the permanent magnets, the rotor (3) being disposed at an axial distance from the stator (2); and affixation members (5) for affixing the permanent magnets (4) to the base material (31). The permanent magnets (4) are provided with front surfaces facing the stator (2), rear surfaces facing the base material, and engagement-receiving sections (412, 422, 432) formed at peripheral edges of the permanent magnets (4). The affixation members (5) include: engagement sections (512) engaging the engagement-receiving sections; and affixation sections (511) forming mechanical affixation structures relative to the base material.Type: GrantFiled: July 20, 2016Date of Patent: August 13, 2019Assignee: Kobe Steel, Ltd.Inventors: Koji Inoue, Takashi Hiekata, Hiroaki Kawai, Shintaro Sasai, Tetsuya Ogawa, Toshiro Yamashita, Shingo Kasai, Shumpei Hayashi
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Patent number: 10287137Abstract: Disclosed is a winch control apparatus for a crane, which comprises: a first compensation torque value calculation section which calculates, when a hoisting manipulation being input, based on a difference speed between a detected rotational speed and a target speed according to a manipulation amount of the hoisting manipulation, a first compensation torque value for enabling an electric motor to generate a reverse-rotation-preventing torque which is a torque in a hoisting direction and corresponding to the difference speed; and a second compensation torque value calculation section which calculates, when the hoisting manipulation being input, based on a detected load value, a second compensation torque value for enabling the electric motor to generate a load bearing torque which is a torque in the hoisting direction and necessary for bearing a load of the load value.Type: GrantFiled: February 6, 2018Date of Patent: May 14, 2019Assignees: Kobe Steel, Ltd., KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroaki Kawai, Takashi Tokuyama, Toshiaki Shimoda, Koji Inoue, Tetsuya Ogawa, Shintaroh Sasai
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Patent number: 10189687Abstract: An electric winch device causes an operative part to perform an operation for hoisting work by winding up or letting out a rope connected to the operative part, the electric winch device including: a winch drum having an axis, provided on the mobile crane to be rotatable about the axis and wound with the rope therearound; a plurality of motors located on one side of the winch drum in an axial direction in which the axis of the winch drum extends, and arranged side by side in a direction perpendicular to the axial direction; a gear mechanism which combines torques output from the plurality of motors; and a transmitting part which transmits a resultant of torques combined by the gear mechanism to the winch drum to rotate the winch drum to thereby cause the winch drum to wind up or let out the rope.Type: GrantFiled: November 27, 2015Date of Patent: January 29, 2019Assignees: Kobe Steel, Ltd., KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Takashi Hiekata, Hiroaki Kawai, Koji Inoue, Shintaro Sasai, Tetsuya Ogawa, Toshiro Yamashita
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Publication number: 20180319635Abstract: An electrically driven winch device includes a winch drum, a plurality of axial-gap electric motors, and a drive shaft. The winch drum rotates around a drum axis in order to wind or unwind a work rope. The plurality of electric motors are electric motors configured to drive the winch drum to rotate, and are each provided with a stator, and rotors which rotate around a rotation axis and are disposed at an axial distance from the stator. The drive shaft is disposed coaxially with the drum axis and serially connects the rotors of the plurality of electric motors on the rotation axis.Type: ApplicationFiled: October 7, 2016Publication date: November 8, 2018Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.), KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Takashi HIEKATA, Koji INOUE, Hiroaki KAWAI, Shintaroh SASAI, Tetsuya OGAWA, Toshiro YAMASHITA
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Publication number: 20180229976Abstract: Disclosed is a winch control apparatus for a crane, which comprises: a first compensation torque value calculation section which calculates, when a hoisting manipulation being input, based on a difference speed between a detected rotational speed and a target speed according to a manipulation amount of the hoisting manipulation, a first compensation torque value for enabling an electric motor to generate a reverse-rotation-preventing torque which is a torque in a hoisting direction and corresponding to the difference speed; and a second compensation torque value calculation section which calculates, when the hoisting manipulation being input, based on a detected load value, a second compensation torque value for enabling the electric motor to generate a load bearing torque which is a torque in the hoisting direction and necessary for bearing a load of the load value.Type: ApplicationFiled: February 6, 2018Publication date: August 16, 2018Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Kobelco Construction Machinery Co., Ltd.Inventors: Hiroaki KAWAI, Takashi TOKUYAMA, Toshiaki SHIMODA, Koji INOUE, Tetsuya OGAWA, Shintaroh SASAI
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Publication number: 20180198335Abstract: An axial gap type dynamo-electric machine (1) comprises: a stator (2) provided with a magnetic core (21) and an exciting coil (22); a rotor (3) provided with a plurality of permanent magnets (4) circumferentially arranged around a rotation center axis (AX), the rotor (3) being also provided with a disk-shaped base material (31) for supporting the permanent magnets, the rotor (3) being disposed at an axial distance from the stator (2); and affixation members (5) for affixing the permanent magnets (4) to the base material (31). The permanent magnets (4) are provided with front surfaces facing the stator (2), rear surfaces facing the base material, and engagement-receiving sections (412, 422, 432) formed at peripheral edges of the permanent magnets (4). The affixation members (5) include: engagement sections (512) engaging the engagement-receiving sections; and affixation sections (511) forming mechanical affixation structures relative to the base material.Type: ApplicationFiled: July 20, 2016Publication date: July 12, 2018Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Koji INOUE, Takashi HIEKATA, Hiroaki KAWAI, Shintaro SASAI, Tetsuya OGAWA, Toshiro YAMASHITA, Shingo KASAI, Shumpei HAYASHI
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Patent number: 10018222Abstract: A resin coating layer in a sliding member has a surface shape indicated by a shape line. This shape line is divided into recessed sections and protruding sections by an average line for uneven areas. The inclination R of a straight line connecting the bottom of these recessed sections and the peak of these protruding sections is classified into Ra: R<0.02, Rb: 0.02?R?0.04, and Rc: 0.04<R. The sliding member comprises a resin coating layer fulfilling Ra+Rb?50%.Type: GrantFiled: February 24, 2016Date of Patent: July 10, 2018Assignee: DAIDO METAL COMPANY LTD.Inventors: Shigeru Inami, Tetsuya Ogawa, Tadatoshi Nagasaki
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Publication number: 20180135692Abstract: A resin coating layer has a shape line that indicates the shape of a surface and is divided by virtual straight lines parallel to the X axis and setting an area of recessed sections that protrudes below the virtual straight lines and an area of protruding sections that protrudes above the virtual straight lines. A virtual straight line at a position at which the area totals for the area of recessed sections and the area of protruding sections are equal is defined as the average line for unevenness. Areas that protrude downwards from this average line for unevenness are defined as recessed sections and areas that protrude above this average line for unevenness are defined as protruding sections. The average area Sa for one recessed section is 4-120 ?m2 and the number M of recessed sections between two points having a distance of 1 mm therebetween is 3-20.Type: ApplicationFiled: February 24, 2016Publication date: May 17, 2018Inventors: Shigeru INAMI, Tetsuya OGAWA