Patents by Inventor Akihiro Yamamoto

Akihiro Yamamoto 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: 20240096235
    Abstract: An information processing apparatus (1) included in a welding training system includes a transmittance adjuster (14) capable of adjusting a transmittance of a window of a welding helmet in virtual space in multiple grades, and a display controller (17) configured to cause a display of an HMD (2) to display a situation of a welding operation in the virtual space at an illuminance corresponding to the adjusted transmittance. The transmittance adjuster (14) adjusts the transmittance based on a skill level of a trainee determined by a skill level determination unit (13).
    Type: Application
    Filed: January 12, 2022
    Publication date: March 21, 2024
    Inventors: Yuichiro Aoyama, Yasuo Oomori, Junichi Oono, Hideaki Ogura, Hiroaki Taniyama, Akihiro Yamamoto, Hitoshi Kawasaki
  • Patent number: 11937410
    Abstract: A package-type fluid machine includes a compressor unit including a compression portion that compresses a fluid, a motor that drives the compression portion, and a cooling fan that is driven by the motor; a machine chamber in which the compressor unit is disposed; an inverter chamber which is adjacent to the machine chamber and in which an inverter is disposed; a partition wall that partitions off the machine chamber from the inverter chamber and has an opening; and an inverter intake port that is disposed in the inverter chamber to take in a cooling gas. The cooling fan is disposed on a side of the machine chamber, the opening being located on the side. The cooling fan is driven to cause the cooling gas to flow from the inverter intake port to the opening to cool the inverter.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: March 19, 2024
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Fuminori Kato, Yoshiyuki Kanemoto, Hiroaki Saito, Daichi Oka, Akihiro Yamamoto
  • Publication number: 20240074318
    Abstract: [Object] To provide a transducer capable of providing a high degree of freedom in deformation and suppressing a risk of breakage and a method of producing the transducer. [Solving Means] In order to achieve the above-described object, a transducer according to an embodiment of the present technology includes an elastomer. The elastomer extends along a predetermined axis direction, and has both end portions in which at least two electrodes having followability are disposed on both sides around a predetermined axis in the predetermined axis direction, the both end portions being elongated to be folded in a direction perpendicular to the predetermined axis. This makes it possible to provide a high degree of freedom in deformation and to suppress a risk of breakage.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 29, 2024
    Inventors: YUSAKU KATO, AKIHIRO NAKATA, RYO IWAMURO, DAISUKE YAMAMOTO, HIROYUKI MITSUHASHI, YOSHIO GOTO
  • Patent number: 11867242
    Abstract: A power transmission path switching device has a friction engaging device; a rotation transmission state switching device comprising a first member and a second member arranged coaxial with each other and having: a free mode and/or a one-way clutch mode allowing rotation of the first member with respect to the second member, and a lock mode preventing rotation of the first member with respect to the second member; and a control device that, when connecting the friction engaging device and setting the rotation transmission state switching device to the lock mode, has a function of connecting the friction engaging device, and then while maintaining the friction engaging device in a connected state, switches the rotation transmission state switching device to the lock mode.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: January 9, 2024
    Assignee: NSK LTD.
    Inventors: Akihiro Yamamoto, Hirotaka Kishida
  • Patent number: 11852228
    Abstract: A differential device includes: an input member; a case member arranged coaxially with the input member; a one-way clutch arranged between the input member and the case member and transmitting torque therebetween only when the input member attempts to rotate in a normal rotation direction; a pinion gear supported by the case member to rotate about the axis perpendicular to the center axis of the case member; and a pair of side gears supported coaxially with the input member to rotate relative to the input member and the case member and meshing with the pinion gear.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: December 26, 2023
    Assignee: NSK LTD.
    Inventors: Akihiro Yamamoto, Eiji Inoue
  • Publication number: 20230366451
    Abstract: A two-speed transmission includes: an input member; an output member; a rotating member; a first engaging device switching engagement between first and second friction plates to switch the input member and the rotating member to an integrally rotating state or a relatively rotating state; a second engaging device switching the rotating member to a rotatable or non-rotatable state; an elastic biasing means applying a force pressing the first and second friction plates; a pressing device releasing the pressing force; a first bearing between the elastic biasing means and the pressing device; a second bearing between the rotating member and the pressing device or the fixed portion; and a planetary speed reduction mechanism having a sun element connected to the input member or the rotating member, a carrier connected to one of the input member or the rotating member and the output member, and a ring element connected to the other.
    Type: Application
    Filed: August 27, 2021
    Publication date: November 16, 2023
    Applicant: NSK Ltd.
    Inventors: Akihiro YAMAMOTO, Hirotaka KISHIDA
  • Patent number: 11745340
    Abstract: A robot system includes: a first robot; a second robot; and circuitry configured to: control the first and second robots to execute a collaborative operation on a work piece; and control, in response to a detection of an irregular state of the first robot during the collaborative operation, the first and second robots to execute a collaborative counteractive operation to eliminate the irregular state.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: September 5, 2023
    Inventors: Takashi Nishimura, Issei Aoyama, Tetsuro Izumi, Shangning Li, Akihiro Yamamoto
  • Publication number: 20230272846
    Abstract: A differential device includes: an input member; a case member arranged coaxially with the input member; a one-way clutch arranged between the input member and the case member and transmitting torque therebetween only when the input member attempts to rotate in a normal rotation direction; a pinion gear supported by the case member to rotate about the axis perpendicular to the center axis of the case member; and a pair of side gears supported coaxially with the input member to rotate relative to the input member and the case member and meshing with the pinion gear.
    Type: Application
    Filed: March 14, 2022
    Publication date: August 31, 2023
    Applicant: NSK LTD.
    Inventors: Akihiro YAMAMOTO, Eiji INOUE
  • Patent number: 11697786
    Abstract: An object of the present invention is to provide a grease composition which has little influence on the environment and has good rust prevention and water resistance against salt water such as sea water. The grease composition comprises a biodegradable base oil and a rust-preventive agent comprising a calcium sulfonate complex and a sorbitan fatty acid ester, wherein a total content of biodegradable organic substances in the grease composition is 75% by mass or more, and wherein a content of the rust-preventive agent is 2.5 to 30% by mass.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: July 11, 2023
    Assignee: NIPPON GREASE CO., LTD.
    Inventors: Satoshi Doi, Akihiro Yamamoto, Jusei Maeda
  • Publication number: 20230149994
    Abstract: Provided are: an upper work roll, radial bearings and a thrust bearing provided on a work side and a drive side of the upper work roll and supporting the upper work roll. Shift cylinders are provided on the work side of the upper work roll and apply forces in both a work side direction and a drive side direction to the thrust bearing. Shift cylinders are also provided on the drive side of the upper work roll and apply forces in both the work side direction and the drive side direction to the radial bearing 790B. The shift cylinders each apply a force in the same direction to the radial bearing and the thrust bearing when the upper work roll does not shift in an axial direction at least during rolling.
    Type: Application
    Filed: August 7, 2020
    Publication date: May 18, 2023
    Inventors: Kenji HORII, Toshihiro USUGI, Akihiro YAMAMOTO, Hikaru NAKAYA, Daisuke IWAKI, Hiroki YAMASAKI
  • Patent number: 11644476
    Abstract: An analysis device that includes a placement section, a pressing member, and a measurement member, has an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip, and in which a liquid reservoir placed therein to enable a component present in sample can be measured in a state in which the chip and the cartridge have been fitted together. The analysis kit is placed on the placement section. The pressing member presses the analysis kit in a direction in which the cartridge is superimposed on the chip to sandwich the analysis kit between the pressing member and the placement section, and to fit the chip and the cartridge together. The measurement member that measures the component present in the sample in the analysis kit in which the chip and the cartridge have been fitted together.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: May 9, 2023
    Assignee: ARKRAY, Inc.
    Inventors: Akihiro Yamamoto, Naotsugu Onuma
  • Patent number: 11619644
    Abstract: An analysis device employs an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip and provided with a liquid reservoir. The analysis device includes a guide-in section into which the analysis kit is guided, a placement section on which the analysis kit placed so as to be supported, a pusher member that pushes the analysis kit from one side face of the analysis kit, contact members that oppose another side face on an opposite side in the horizontal direction to the one side face of the analysis kit placed on the placement section, and contact the other side face of the analysis kit being pushed in by the pusher member so as to position the analysis kit in the horizontal direction, and a measurement member that measures a component present in the sample in the analysis kit.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: April 4, 2023
    Assignee: ARKRAY, Inc.
    Inventors: Akihiro Yamamoto, Shigeru Kitamura, Naoto Shichi
  • Patent number: 11585335
    Abstract: A gas compressor includes inverters, a plurality of compressor units and a control device for controlling each of the inverters. The control device increases the number of compressor bodies to be operated after confirming that the rotational speed of the operational motors will reach a steady value immediately after causing the number of the compressor bodies to be operated to increase.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: February 21, 2023
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Norio Aoyagi, Akihiro Yamamoto, Yoshiyuki Kanemoto, Hiroaki Saito, Fuminori Kato, Daichi Oka
  • Publication number: 20230040408
    Abstract: A power transmission path switching device has a friction engaging device; a rotation transmission state switching device comprising a first member and a second member arranged coaxial with each other and having: a free mode and/or a one-way clutch mode allowing rotation of the first member with respect to the second member, and a lock mode preventing rotation of the first member with respect to the second member; and a control device that, when connecting the friction engaging device and setting the rotation transmission state switching device to the lock mode, has a function of connecting the friction engaging device, and then while maintaining the friction engaging device in a connected state, switches the rotation transmission state switching device to the lock mode.
    Type: Application
    Filed: June 29, 2021
    Publication date: February 9, 2023
    Applicant: NSK Ltd.
    Inventors: Akihiro YAMAMOTO, Hirotaka KISHIDA
  • Patent number: 11542951
    Abstract: The purpose of the present invention is to provide a gas compressor capable of reducing variation in discharge pressure through control of the number of compressor bodies and a control method for the gas compressor. In order to solve the problem, this gas compressor includes a plurality of compressor units each having a compressor body, a motor for driving the compressor body, and an inverter for controlling a rotational speed of the motor, and a control device for controlling the inverters. Discharge pipes of the compressor bodies converge on one main discharge pipe. A drive frequency of the motor of each compressor body is controlled by the corresponding inverter, whereby a pressure of each discharge pipe is controlled and a discharge pressure of the main discharge pipe is controlled.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: January 3, 2023
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Akihiro Yamamoto, Yoshiyuki Kanemoto, Norio Aoyagi, Hiroaki Saito, Fuminori Kato, Daichi Oka
  • Publication number: 20220413001
    Abstract: An analysis device employs an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip and provided with a liquid reservoir. The analysis device includes a guide-in section into which the analysis kit is guided, a placement section on which the analysis kit placed so as to be supported, a pusher member that pushes the analysis kit from one side face of the analysis kit, contact members that oppose another side face on an opposite side in the horizontal direction to the one side face of the analysis kit placed on the placement section, and contact the other side face of the analysis kit being pushed in by the pusher member so as to position the analysis kit in the horizontal direction, and a measurement member that measures a component present in the sample in the analysis kit.
    Type: Application
    Filed: August 29, 2022
    Publication date: December 29, 2022
    Applicant: ARKRAY, Inc.
    Inventors: Akihiro YAMAMOTO, Shigeru KITAMURA, Naoto SHICHI
  • Patent number: 11534946
    Abstract: A support frame of a machine base includes a first element to be joined to the upper or lower end face of a vertical support column of the machine base and extending in the horizontal direction, and a second element spaced from the first element on the opposite side from the support column and extended in the horizontal direction. The end face of the support column joined to the first element is formed with one or more first protrusions which extend to reach the second element and join to it.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: December 27, 2022
    Assignee: FANUC CORPORATION
    Inventors: Keisuke Sugahara, Akihiro Yamamoto
  • Patent number: D1016031
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: February 27, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Yorimasa Yasuda, Satoru Kozuka, Hideaki Yamamoto, Nichika Moriguchi, Keisuke Tada, Kenichi Oi, Masaaki Kadoyanagi, Toshio Nakayama, Shinichiro Ando, Akihiro Gonda
  • Patent number: D1016032
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: February 27, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Yorimasa Yasuda, Satoru Kozuka, Hideaki Yamamoto, Nichika Moriguchi, Keisuke Tada, Kenichi Oi, Masaaki Kadoyanagi, Toshio Nakayama, Shinichiro Ando, Akihiro Gonda
  • Patent number: D1016033
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: February 27, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Yorimasa Yasuda, Satoru Kozuka, Hideaki Yamamoto, Nichika Moriguchi, Keisuke Tada, Kenichi Oi, Masaaki Kadoyanagi, Toshio Nakayama, Shinichiro Ando, Akihiro Gonda