Patents by Inventor Akinori Saito

Akinori Saito 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: 20240068470
    Abstract: An electric compressor includes: a compression part; an electric motor; an inverter; a housing including a plurality of housing forming members made of metal; a seal member that has an insulation property and is provided between the housing forming members adjacent to each other; and a potential equalization member that is made of metal and is in contact with both the adjacent housing forming members to equalize potentials of the adjacent housing forming members. The adjacent housing forming members include mating surfaces, respectively. An insertion hole is formed in one of the mating surfaces of the adjacent housing forming members, at a position in which the seal member is not provided. The potential equalization member includes an insertion portion inserted into the insertion hole, and a contact portion that is a plate portion extending in a gap between the mating surfaces and is in contact with both the mating surfaces.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 29, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Ken NAMIKI, Takuro Yamashita, Takumi Maeda, Akinori Tanabe, Takafumi Konishi, Takahiro Suzuki, Yoshitaka Saito
  • Patent number: 11914012
    Abstract: A brain measurement apparatus includes: a magnetoencephalograph including optically pumped magnetometers, magnetic sensors for measuring a static magnetic field at positions of the optically pumped magnetometers, and a nulling coil for canceling the static magnetic field; an MRI apparatus including a permanent magnet, a gradient magnetic field coil, a transmission coil, and a receive coil for detecting a nuclear magnetic resonance signal; and a control device that, when measuring the brain's magnetic field, controls a current to be supplied to the nulling coil based on measured values of the magnetic sensors and operates so as to cancel a static magnetic field at the position of each of the optically pumped magnetometers and, when measuring an MR image, controls the gradient magnetic field by controlling a current to be supplied to the gradient magnetic field coil and generates an MR image based on an output of the receive coil.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: February 27, 2024
    Assignees: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Takenori Oida, Takahiro Moriya, Akinori Saito, Motohiro Suyama, Tetsuo Kobayashi
  • Patent number: 11874348
    Abstract: Provided is a brain measurement system including: a geomagnetic correction coil; a geomagnetic gradient correction coil; a transmission coil; a receiving coil; a plurality of resonance adjustment circuits; a plurality of OPM modules provided corresponding to each of the plurality of resonance adjustment circuits for detecting a signal having a resonance frequency output from the resonance adjustment circuit; and a control device for generating an MR image based on the signal detected by the OPM module, wherein, when a direction parallel to a central axis of a head portion of a subject is defined as a Z-axis direction, the resonance frequency related to each of the plurality of resonance adjustment circuits is set according to a magnetic field gradient in the Z-axis direction generated by control of a position of the corresponding receiving coil in the Z-axis direction and a tilted magnetic field.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: January 16, 2024
    Assignees: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Takenori Oida, Takahiro Moriya, Akinori Saito, Motohiro Suyama, Tetsuo Kobayashi
  • Patent number: 11835603
    Abstract: An optically pumped magnetometer includes cells configured to form a first cell region and a second cell region on a measurement target, a pump laser, a probe laser, a first optical system configured to cause pump light to be incident on the first cell region, a second optical system configured to cause the pump light having passed through the first cell region to be incident on the second cell region, a third optical system configured to cause first probe light to be incident on the first cell region, a fourth optical system configured to cause second probe light to be incident on the second cell region, detection portions configured to detect the first probe light having passed through the first cell region and the second probe light having passed through the second cell region, and a deriving portion configured to derive an intensity of a magnetic field.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: December 5, 2023
    Assignees: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Akinori Saito, Takahiro Moriya, Takenori Oida, Motohiro Suyama, Tetsuo Kobayashi
  • Patent number: 11801712
    Abstract: The present invention relates to an improvement in caster swivel restriction structure. The present invention is characterized in that a swivel brake plate has a body piece having a plurality of through holes arranged therein and latch pieces bent downward from the body piece, a support base has latch hole portions for fitting the latch pieces in a vertical slidable manner, a gap portion provided at a location corresponding to below the group of through holes formed in the swivel brake plate, and cushioning members or biasing members which are disposed in the gap portion and supports the swivel brake plate aloft and which is repulsively compressed when downward force is applied to the swivel brake plate.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: October 31, 2023
    Assignee: NANSIN CO., LTD.
    Inventors: Akinori Saito, Nao Kanamori
  • Publication number: 20230305412
    Abstract: A toner includes toner matrix particles containing resin and wax; and an external additive, wherein an average number of voids per toner is 5 or more and 10 or less per toner with a void diameter ? (nm) of voids in the toner matrix particles being 500 ? ? ? 200, as measured based on cross-sectional observation by a scanning electron microscope (SEM).
    Type: Application
    Filed: March 10, 2023
    Publication date: September 28, 2023
    Applicant: Ricoh Company, Ltd
    Inventors: Masahiro YUKIKAWA, Akio Takei, Akinori Saito, Hideto Suzuki
  • Publication number: 20230307693
    Abstract: A restraining member includes a pair of interposing portions, a plurality of pressurizing portions, and a pair of pressing portions. Each pressurizing portion has the shape of which a dimension in a third direction perpendicular to both a first direction and a second direction is longer than a dimension in the first direction and a dimension in the second direction and is in contact with the interposing portion and the pressing portion. Each interposing portion includes a pressurized area overlapping each pressurizing portion in the first direction and a low pressurized area not overlapping the pressurizing portion in the first direction.
    Type: Application
    Filed: December 20, 2022
    Publication date: September 28, 2023
    Inventors: Akinori SAITO, Shinji SUZUKI, Yuya SATO
  • Patent number: 11619689
    Abstract: An optically pumped magnetometer 1 includes: a cell 2; a pump laser 7 that emits pump light; one or more pump light mirrors that cause the pump light guided in a first direction; a probe laser 8 that emits probe light; a splitting unit 12 that splits the probe light into multiple light components; one or more probe light mirrors that cause each of the probe light components guided in a second direction, which is a direction perpendicular to the first direction; a detection unit that detects each of the probe light components perpendicular to the pump light inside the cell 2; and a derivation unit that derives a magnetic field corresponding to a region where each of the probe light components and the pump light are perpendicular to each other based on a detection result of the detection unit.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: April 4, 2023
    Assignees: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Akinori Saito, Takahiro Moriya, Takenori Oida, Motohiro Suyama, Tetsuo Kobayashi
  • Publication number: 20230061021
    Abstract: Provided is a brain measurement system including: a geomagnetic correction coil; a geomagnetic gradient correction coil; a transmission coil; a receiving coil; a plurality of resonance adjustment circuits; a plurality of OPM modules provided corresponding to each of the plurality of resonance adjustment circuits for detecting a signal having a resonance frequency output from the resonance adjustment circuit; and a control device for generating an MR image based on the signal detected by the OPM module, wherein, when a direction parallel to a central axis of a head portion of a subject is defined as a Z-axis direction, the resonance frequency related to each of the plurality of resonance adjustment circuits is set according to a magnetic field gradient in the Z-axis direction generated by control of a position of the corresponding receiving coil in the Z-axis direction and a tilted magnetic field.
    Type: Application
    Filed: August 19, 2022
    Publication date: March 2, 2023
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Takenori OIDA, Takahiro MORIYA, Akinori SAITO, Motohiro SUYAMA, Tetsuo KOBAYASHI
  • Publication number: 20220386873
    Abstract: A brain measurement apparatus configured to generate an MR image and a brain's magnetic field distribution of a subject includes: an MRI module having a transmission coil configured to transmit a transmission pulse toward the subject and a detection coil configured to detect a nuclear magnetic resonance signal generated in the subject by the transmission pulse; an optically pumped magnetometer configured to detect a brain's magnetic field of the subject; a generator configured to generate the MR image based on the nuclear magnetic resonance signal detected by the detection coil and generating the brain's magnetic field distribution based on the brain's magnetic field detected by the optically pumped magnetometer; a marker displayed on the MR image generated by the generator; and a helmet-type frame to which the detection coil, the optically pumped magnetometer, and the marker are attached and which is attached to a head of the subject.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Takenori OIDA, Takahiro MORIYA, Akinori SAITO, Motohiro SUYAMA, Tetsuo KOBAYASHI
  • Publication number: 20220390533
    Abstract: An optically pumped magnetometer includes cells configured to form a first cell region and a second cell region on a measurement target, a pump laser, a probe laser, a first optical system configured to cause pump light to be incident on the first cell region, a second optical system configured to cause the pump light having passed through the first cell region to be incident on the second cell region, a third optical system configured to cause first probe light to be incident on the first cell region, a fourth optical system configured to cause second probe light to be incident on the second cell region, detection portions configured to detect the first probe light having passed through the first cell region and the second probe light having passed through the second cell region, and a deriving portion configured to derive an intensity of a magnetic field.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Akinori SAITO, Takahiro MORIYA, Takenori OIDA, Motohiro SUYAMA, Tetsuo KOBAYASHI
  • Publication number: 20220386888
    Abstract: A brain measurement apparatus includes: a static magnetic field forming unit for forming a static magnetic field in a measurement area; a gradient magnetic field coil for forming a gradient magnetic field in the measurement area; a transmission coil for transmitting a transmission pulse toward a subject in the measurement area; a detection coil for detecting a nuclear magnetic resonance signal generated in the subject by transmission of the transmission pulse; and a generator for generating an MR image based on the nuclear magnetic resonance signal detected by the detection coil.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Takahiro MORIYA, Takenori OIDA, Akinori SAITO, Motohiro SUYAMA, Tetsuo KOBAYASHI
  • Patent number: 11500043
    Abstract: A magnetoencephalograph M1 includes: multiple pump-probe type optically pumped magnetometers 1A; a bias magnetic field forming coil 15 for applying a bias magnetic field in the same direction as a direction of pump light of each of the multiple pump-probe type optically pumped magnetometers 1A and in a direction approximately parallel to a scalp; a control device 5 that determines a current for the bias magnetic field forming coil and outputs a control signal corresponding to the determined current; and a coil power supply 6 that outputs a current to the bias magnetic field forming coil in response to the control signal output from the control device.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: November 15, 2022
    Assignees: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Akinori Saito, Takahiro Moriya, Takenori Oida, Motohiro Suyama, Tetsuo Kobayashi
  • Patent number: 11485397
    Abstract: The present invention relates to a novel trolley coupling structure that allows coupling of base parts of trolleys aligned in the vertical or horizontal direction. The present invention provides a trolley coupling structure in which a first receiving recess part is provided in a base part of one trolley, a second receiving recess part is provided in a base part of another trolley, a locking member is pivotally attached to the first receiving recess part, a recess part body and a bent section are formed in the respective first and second receiving recess parts, and retaining of the locking member is achieved by constraining and locking a constraining piece part of the locking member at the bent section.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: November 1, 2022
    Assignee: NANSIN CO., LTD.
    Inventors: Akinori Saito, Kenji Yamaguchi, Nao Kanamori
  • Publication number: 20220227171
    Abstract: The present invention relates to an improvement in caster swivel restriction structure. The present invention is characterized in that a swivel brake plate has a body piece having a plurality of through holes arranged therein and latch pieces bent downward from the body piece, a support base has latch hole portions for fitting the latch pieces in a vertical slidable manner, a gap portion provided at a location corresponding to below the group of through holes formed in the swivel brake plate, and cushioning members or biasing members which are disposed in the gap portion and supports the swivel brake plate aloft and which is repulsively compressed when downward force is applied to the swivel brake plate.
    Type: Application
    Filed: April 10, 2017
    Publication date: July 21, 2022
    Applicant: NANSIN CO., LTD.
    Inventors: Akinori Saito, Nao Kanamori
  • Patent number: 11268874
    Abstract: Provided is a defect judging unit for a measuring probe including: a stylus; four detection elements; and a signal processing part. The defect judging unit includes a defect judging part configured to compare four judged signals corresponding to the generated signals with predetermined thresholds when the object to be measured and the contact part are out of contact with each other and judge that a defect exists if any of the judged signals is greater than the predetermined threshold, and a judged result output part configured to output a judged result of the defect judging part. According to this configuration, the defect judging unit of the measuring probe and the defect judging method thereof capable of ensuring measurement reliability with a simple configuration are provided.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: March 8, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Akinori Saito, Satoshi Koga, Hiroyuki Kanamori
  • Publication number: 20210389396
    Abstract: An optically pumped magnetometer 1 includes: a cell 2; a pump laser 7 that emits pump light; one or more pump light mirrors that cause the pump light guided in a first direction; a probe laser 8 that emits probe light; a splitting unit 12 that splits the probe light into multiple light components; one or more probe light mirrors that cause each of the probe light components guided in a second direction, which is a direction perpendicular to the first direction; a detection unit that detects each of the probe light components perpendicular to the pump light inside the cell 2; and a derivation unit that derives a magnetic field corresponding to a region where each of the probe light components and the pump light are perpendicular to each other based on a detection result of the detection unit.
    Type: Application
    Filed: June 14, 2021
    Publication date: December 16, 2021
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Akinori SAITO, Takahiro MORIYA, Takenori OIDA, Motohiro SUYAMA, Tetsuo KOBAYASHI
  • Publication number: 20210389397
    Abstract: A magnetoencephalograph M1 includes: multiple pump-probe type optically pumped magnetometers 1A; a bias magnetic field forming coil 15 for applying a bias magnetic field in the same direction as a direction of pump light of each of the multiple pump-probe type optically pumped magnetometers 1A and in a direction approximately parallel to a scalp; a control device 5 that determines a current for the bias magnetic field forming coil and outputs a control signal corresponding to the determined current; and a coil power supply 6 that outputs a current to the bias magnetic field forming coil in response to the control signal output from the control device.
    Type: Application
    Filed: June 14, 2021
    Publication date: December 16, 2021
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Akinori SAITO, Takahiro MORIYA, Takenori OIDA, Motohiro SUYAMA, Tetsuo KOBAYASHI
  • Publication number: 20210386346
    Abstract: A magnetoencephalograph M1 includes: multiple optically pumped magnetometers 1A that measure a brain's magnetic field; multiple magnetic sensors for geomagnetic field cancellation 2 that measure a magnetic field; multiple magnetic sensors for active shield 3 that measure a fluctuating magnetic field; a geomagnetic field nulling coil; an active shield coil 9; a control device 5 that determines a current to generate a magnetic field for canceling the magnetic field based on measured values of the multiple magnetic sensors for geomagnetic field cancellation 2, determines a current to generate a magnetic field for canceling the fluctuating magnetic field based on measured values of the multiple magnetic sensors for active shield 3, and outputs a control signal corresponding to each of the determined currents; and a coil power supply 6 that outputs a current to each coil in response to the control signal.
    Type: Application
    Filed: June 14, 2021
    Publication date: December 16, 2021
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Takahiro MORIYA, Takenori OIDA, Akinori SAITO, Motohiro SUYAMA, Tetsuo KOBAYASHI
  • Publication number: 20210389400
    Abstract: A brain measurement apparatus includes: a magnetoencephalograph including optically pumped magnetometers, magnetic sensors for measuring a static magnetic field at positions of the optically pumped magnetometers, and a nulling coil for canceling the static magnetic field; an MRI apparatus including a permanent magnet, a gradient magnetic field coil, a transmission coil, and a receive coil for detecting a nuclear magnetic resonance signal; and a control device that, when measuring the brain's magnetic field, controls a current to be supplied to the nulling coil based on measured values of the magnetic sensors and operates so as to cancel a static magnetic field at the position of each of the optically pumped magnetometers and, when measuring an MR image, controls the gradient magnetic field by controlling a current to be supplied to the gradient magnetic field coil and generates an MR image based on an output of the receive coil.
    Type: Application
    Filed: June 14, 2021
    Publication date: December 16, 2021
    Applicants: HAMAMATSU PHOTONICS K.K., Kyoto University
    Inventors: Takenori OIDA, Takahiro MORIYA, Akinori SAITO, Motohiro SUYAMA, Tetsuo KOBAYASHI