Patents by Inventor Hideki Tomiyama

Hideki Tomiyama 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: 20240116232
    Abstract: A lip gap adjusting device and the like that can shorten a time required for adjustment of a lip gap are provided. In a lip gap adjusting device according to one embodiment, a plurality of lip gap adjusting mechanisms that are disposed in a width direction of an extrusion molding die and configured to adjust a lip gap at respective disposition spots each include an actuator and a coupling member that couples an output shaft of the actuator and a movable lip. The actuator adjusts the lip gap via the coupling member.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 11, 2024
    Inventors: Kazuya YOKOMIZO, Yuji SUGA, Masaki TAKAHASHI, Hideki TOMIYAMA
  • Publication number: 20240075671
    Abstract: An extrusion device includes a cylinder, a raw material feed port, a screw incorporated in cylinder, a die disposed at one end of the cylinder, and adjustment mechanisms. Raw material feed port supplies raw materials including resin into cylinder. Screw is able to melt the raw materials through kneading. Die includes a plurality of through-holes for ejecting strands made of molten resin supplied from cylinder. Adjustment mechanisms individually adjust ejection amounts of the strands ejected from the plurality of through-holes.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 7, 2024
    Inventors: Yohei FUKUZAWA, Yusuke FUKUSHI, Tomoya ODA, Hideki TOMIYAMA
  • Publication number: 20230195963
    Abstract: A simulation device for calculating a predetermined physical quantity in a kneading extruder, the simulation device comprises: an acquisition unit configured to acquire at least a characteristic of a first raw material and a characteristic of a second raw material, the first raw material and the second raw material being injected into the kneading extruder; and a calculation unit configured to calculate a physical quantity of a mixture of the first raw material and the second raw material based on the characteristics of the first raw material and the second raw material acquired by the acquisition unit.
    Type: Application
    Filed: June 3, 2021
    Publication date: June 22, 2023
    Inventors: Yohei Fukuzawa, Hideki Tomiyama
  • Patent number: 11607832
    Abstract: It is an object of the present invention to provide a feed block that can stably produce a resin sheet in which a main material and an auxiliary material are stacked on top of another. The feed block feeds laminated molten resin P to a die, wherein laminated molten resin P has at least one main material A that consists of a molten resin in a shape of a plate or a sheet and auxiliary material B that consists of a molten resin in a shape of a plate or a sheet, wherein auxiliary material B is stacked on at least a part of at least one main material A with regard to a width direction thereof.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: March 21, 2023
    Assignee: JAPAN STEEL WORKS, LTD.
    Inventors: Hideki Tomiyama, Makoto Iwamura, Masaki Ueda, Kazuya Yokomizo, Yousuke Tago
  • Patent number: 11534951
    Abstract: The apparatus of the invention includes: an acquisition unit 101 that acquires input information including resin properties and acquires, as output information, a specified value of a physical quantity related to a kneaded resin or a kneading machine; a storage unit 16 that stores a knowledge file 162 containing correlations among the input information, the physical quantity and a plurality of screw configurations; and a search unit 106 and a configuration generator unit 107 together that infers, on the basis of the input information and the knowledge file 162, such a screw configuration that is able to meet the specified value.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: December 27, 2022
    Assignee: THE JAPAN STEEL WORKS, LTD.
    Inventors: Hideki Tomiyama, Yohei Fukuzawa, Takahide Takeuchi
  • Publication number: 20220276126
    Abstract: An anomaly detection system (1) according to an aspect of the present invention is an anomaly detection system (1) for detecting an anomaly in a reduction drive (10), the anomaly detection system (1) including: a sensor (11_1 to 11_3) attached to a housing of the reduction drive (10), the sensor (11_1 to 11_3) being configured to detect vibration on the surface of the housing of the reduction drive (10); a statistical analysis unit (12) configured to perform a statistical analysis on the vibration detected by the sensor (11_1 to 11_3); a frequency analysis unit (14) configured to perform a frequency analysis on the vibration detected by the sensor (11_1 to 11_3); and an anomaly determination unit (17) configured to perform anomaly determination on the reduction drive (10) based on a result of the statistical analysis and a result of the frequency analysis.
    Type: Application
    Filed: February 22, 2019
    Publication date: September 1, 2022
    Inventors: Tasuku OKIMOTO, Keita HIHARA, Yusuke FUKUSHI, Hideki TOMIYAMA
  • Publication number: 20220111761
    Abstract: A vehicle battery cooling apparatus configured to cool a battery mounted on a vehicle includes a first fluid circuit and a second fluid circuit. In the first fluid circuit, a first cooling fluid to cool the battery is to be circulated while the vehicle is traveling. In a second fluid circuit, a second cooling fluid to cool the battery is to be circulated while the battery is being charged. The first fluid circuit and the second fluid circuit are independent from each other.
    Type: Application
    Filed: September 28, 2021
    Publication date: April 14, 2022
    Inventors: Hatsuhisa UEDA, Toshiaki NARUKE, Shinnosuke IZUMI, Hideki TOMIYAMA, Ryo INAGAKI, Takeshi KANBE, Tatsuya ISHIKAWA
  • Publication number: 20220080646
    Abstract: The apparatus of the invention includes: an acquisition unit 101 that acquires input information including resin properties and acquires, as output information, a specified value of a physical quantity related to a kneaded resin or a kneading machine; a storage unit 16 that stores a knowledge file 162 containing correlations among the input information, the physical quantity and a plurality of screw configurations; and a search unit 106 and a configuration generator unit 107 together that infers, on the basis of the input information and the knowledge file 162, such a screw configuration that is able to meet the specified value.
    Type: Application
    Filed: June 13, 2017
    Publication date: March 17, 2022
    Inventors: Hideki Tomiyama, Yohei Fukuzawa, Takahide Takeuchi
  • Publication number: 20210114259
    Abstract: A strand manufacturing apparatus capable of reducing variations among diameters of resin strands without stopping the operation of an extruder is provided. A strand manufacturing apparatus includes a die in which an outflow hole for discharging a resin material contained in an extruder as a string-shaped resin strand is formed, an adjustment valve configured to adjust opening of the outflow hole, an image acquisition unit configured to acquire an image of the resin strand extruded from the outflow hole, a diameter acquisition unit configured to acquire a diameter of the resin strand in the image, and an opening adjustment unit configured to adjust the opening by driving the adjustment valve based on the diameter of the resin strand acquired by the diameter acquisition unit.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 22, 2021
    Inventors: Yohei FUKUZAWA, Yusuke FUKUSHI, Hideki TOMIYAMA
  • Patent number: 10549453
    Abstract: A simulation apparatus includes an 1D analysis unit which performs a low-dimensional fluid-flow analysis of material in an arithmetic object field of a kneading device, based on setting information including physical property of the material, and configuration data and an operation condition of the kneading device for kneading the material, an area selection unit which receives selection of an object area as an object of a high-dimensional fluid-flow analysis in the arithmetic object field, and a 3D analysis unit which extracts physical quantities of the material relating to the object area, based on a result of the low-dimensional fluid-flow analysis, and performs a high-dimensional fluid-flow analysis of the material in the object area, based on the extracted physical quantities and the setting information.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: February 4, 2020
    Assignee: THE JAPAN STEEL WORKS, LTD.
    Inventors: Hideki Tomiyama, Yohei Fukuzawa
  • Publication number: 20190202105
    Abstract: It is an object of the present invention to provide a feed block that can stably produce a resin sheet in which a main material and an auxiliary material are stacked on top of another. The feed block feeds laminated molten resin P to a die, wherein laminated molten resin P has at least one main material A that consists of a molten resin in a shape of a plate or a sheet and auxiliary material B that consists of a molten resin in a shape of a plate or a sheet, wherein auxiliary material B is stacked on at least a part of at least one main material A with regard to a width direction thereof.
    Type: Application
    Filed: September 2, 2016
    Publication date: July 4, 2019
    Applicant: Japan Steel Works, Ltd.
    Inventors: Hideki TOMIYAMA, Makoto IWAMURA, Masaki UEDA, Kazuya YOKOMIZO, Yousuke TAGO
  • Publication number: 20160132621
    Abstract: A simulation apparatus includes an 1D analysis unit which performs a low-dimensional fluid-flow analysis of material in an arithmetic object field of a kneading device, based on setting information including physical property of the material, and configuration data and an operation condition of the kneading device for kneading the material, an area selection unit which receives selection of an object area as an object of a high-dimensional fluid-flow analysis in the arithmetic object field, and a 3D analysis unit which extracts physical quantities of the material relating to the object area, based on a result of the low-dimensional fluid-flow analysis, and performs a high-dimensional fluid-flow analysis of the material in the object area, based on the extracted physical quantities and the setting information.
    Type: Application
    Filed: November 10, 2015
    Publication date: May 12, 2016
    Applicant: THE JAPAN STEEL WORKS, LTD.
    Inventors: Hideki TOMIYAMA, Yohei FUKUZAWA
  • Patent number: 8306799
    Abstract: A devolatilization performance prediction apparatus for a solution devolatilization process using a twin-screw extruder is described. The devolatilization performance prediction apparatus determines a flow state of the solution in the twin-screw extruder, simulates the solution devolatilization process based on the flow state, and predicts a performance of a devolatilization process conducted with the twin screw extruder based on the simulation.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: November 6, 2012
    Assignee: The Japan Steel Works, Ltd
    Inventors: Seiji Takamoto, Shigeki Inoue, Hideki Tomiyama, Hiroaki Shintani, Kenji Inagawa
  • Patent number: 8151471
    Abstract: A control handle included in a bush cutter is provided. A driving controller is switched on so that the cutting blade is driven in an adjusted speed mode at a rotation speed set by a speed adjuster. The control handle includes a high-speed mode controller configured to set the rotation speed of the cutting blade to a high rotation speed, and an interlock device provided between the driving controller and the high-speed mode controller and configured to interlock the driving controller and the high-speed mode controller when the high-speed mode controller is switched on so as to move the driving controller concurrently with the high-speed mode controller. When the high-speed mode controller is switched on, the driving controller is concurrently switched on by the interlock device so that the cutting blade is driven in a high-speed mode.
    Type: Grant
    Filed: March 10, 2009
    Date of Patent: April 10, 2012
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Hideki Tomiyama, Masanobu Yoshimura
  • Patent number: 8140307
    Abstract: A devolatilization simulation apparatus for screw extruders and a devolatilization simulation program for screw extruders can actually simulate the devolatilization process in a screw extruder. An extruder simulation system for simulating the conditions of devolatilization of an extruder by computationally determining the resin temperature, the pressure, the residence time, the filling ratio, the torque, the power, the solid-phase occupancy and the concentration of the volatile components in terms of distribution in the axial direction of the extruder from the configuration and the operating conditions of the extruder and the physical properties of the resin in the extruder comprising a means for arithmetically simulating the process where the concentration of the volatile components contained in the resin gradually falls as they are devolatilized by vent cylinders.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: March 20, 2012
    Assignee: The Japan Steel Works, Ltd
    Inventors: Hideki Tomiyama, Seiji Takamoto, Hiroaki Shintani, Shigeki Inoue
  • Publication number: 20100023306
    Abstract: A devolatilization performance prediction apparatus for a solution devolatilization process using a twin-screw extruder including a flow state computation means 101 for computationally determining information relating to the flow state of solution existing in a devolatilization region 600, or a target region, of a devolatilization process on a screw 200 conveying the solution of nonvolatile mass containing volatile mass according to the flow state of the solution 700 existing on the channel surface at the upstream side in the conveying direction of the screw channel, the solution 800 existing in the gap between the screw 200 and a barrel 100 and the solution 900 existing on the channel surface at the downstream side in the conveying direction of the screw channel, and a devolatilization performance prediction means 102 for predicting the devolatilization performance in the devolatilization process according to the information relating to the flow state computationally determined according to the flow state of
    Type: Application
    Filed: August 27, 2007
    Publication date: January 28, 2010
    Applicant: THE JAPAN STEEL WORKS, LTD
    Inventors: Seiji Takamoto, Shigeki Inoue, Hideki Tomiyama, Hiroaki Shintani, Kenji Inagawa
  • Patent number: 7646118
    Abstract: A portable power working machine includes a drive unit disposed in a motor housing connected to a proximal end of an operating arm. The drive unit rotates a cutting blade at a distal end of the operating arm. The motor housing has an inlet and an outlet for cooling air in front and rear sections, respectively. The drive unit includes an electric motor disposed near the front end of the motor housing, a cooling fan disposed near the rear end of the motor housing and connected to an output shaft of the electric motor, and a heat sink disposed between the cooling fan and the electric motor so as to extend from the electric motor. The cooling air drawn in through the inlet by the cooling fan is guided through a gap between the drive unit and an inner surface of the motor housing and is discharged through the outlet.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: January 12, 2010
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Kenichi Yoshida, Hideki Tomiyama, Masanobu Yoshimura, Toshiyuki Suzuki
  • Patent number: D767422
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: September 27, 2016
    Assignee: HIOKI E.E. CORPORATION
    Inventors: Manabu Senda, Koichi Tanaka, Hideki Tomiyama, Toshio Heishi, Manabu Yamanouchi
  • Patent number: D775539
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: January 3, 2017
    Assignee: HIOKI E.E. CORPORATION
    Inventors: Manabu Senda, Koichi Tanaka, Hideki Tomiyama, Toshio Heishi, Manabu Yamanouchi
  • Patent number: D775983
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: January 10, 2017
    Assignee: HIOKI E.E. CORPORATION
    Inventors: Manabu Senda, Koichi Tanaka, Hideki Tomiyama, Toshio Heishi, Manabu Yamanouchi