Patents by Inventor Yutaka Igarashi

Yutaka Igarashi 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).

  • Patent number: 11921241
    Abstract: An ultrasonic probe including: a plurality of transducers; a plurality of low-noise amplifier circuits individually corresponding to the plurality of transducers, the plurality of low-noise amplifier circuits having a variable resistor feedback unit making a resistance value variable by an electrical signal inputted to a control terminal; and a control circuit; wherein the control circuit has a dummy circuit generating a bias voltage of a feedback unit of the low-noise amplifier circuit, and an adding circuit outputting an added signal of a bias voltage by the dummy circuit and a control signal increasing or decreasing with a lapse of time; and the plurality of low-noise amplifier circuits input an output of the adding circuit to the control terminal of the variable resistor feedback unit to perform variable control on a gain of the low-noise amplifier circuit.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: March 5, 2024
    Assignee: FUJIFILM HEALTHCARE CORPORATION
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Kengo Imagawa
  • Patent number: 11844653
    Abstract: To provide a probe including a TGC circuit therein. The probe includes a plurality of receive circuits. Each receive circuit includes: an ultrasound transducer; a transmit/receive switch; a variable attenuator; a first capacitor; and an amplifier. The ultrasound transducer converts the receive signal into a ground level electric signal and outputs the ground level electric signal as a first output signal. The transmit/receive switch is connected to a first signal line, and switches depending on whether to output the first output signal output from the ultrasound transducer to the first signal line. The variable attenuator includes a control terminal and two terminals, and changes a resistance value between the two terminals other than the control terminal based on a control signal input to the control terminal.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: December 19, 2023
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Kengo Imagawa, Yoshihiro Hayashi
  • Patent number: 11814877
    Abstract: A conventional safe proper becomes useless when unable to be locked or unlocked, thereby causing a waste of resources. Locks capable of being locked/unlocked are provided to unfasten a common fastening member, so as to open a door or lid from the body, allow each lock to be freely mounted on and dismounted from a lock mounting portion, and dispose a false lock on each lock. An operating means of locking/unlocking any one of the locks is provided to enable persistent use of a common latch disposed at an identity opening of a safe proper.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: November 14, 2023
    Assignee: SUNSMILET'S CORPORATION
    Inventor: Yutaka Igarashi
  • Patent number: 11564665
    Abstract: An object of the invention is to provide an ultrasonic probe, an ultrasonic diagnostic device, and a manufacturing method of the ultrasonic probe, which are capable of reducing a product defect rate. An ultrasonic probe according to one embodiment includes a plurality of channels. Each of the plurality of channels includes a vibrator that outputs an ultrasonic wave, and a transmission circuit unit that changes an output in response to an input transmission signal and causes the vibrator to output the ultrasonic wave by driving the vibrator with the output. Here, the transmission circuit unit includes a stop signal holding circuit that holds a stop signal when the stop signal is input in advance, and selects whether to change the output in response to the transmission signal based on whether the stop signal is held.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: January 31, 2023
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Toru Yazaki, Yutaka Igarashi, Yoshihiro Hayashi, Tsuneo Kawamata
  • Publication number: 20220386997
    Abstract: To provide a probe including a TGC circuit therein. The probe includes a plurality of receive circuits. Each receive circuit includes: an ultrasound transducer; a transmit/receive switch; a variable attenuator; a first capacitor; and an amplifier. The ultrasound transducer converts the receive signal into a ground level electric signal and outputs the ground level electric signal as a first output signal. The transmit/receive switch is connected to a first signal line, and switches depending on whether to output the first output signal output from the ultrasound transducer to the first signal line. The variable attenuator includes a control terminal and two terminals, and changes a resistance value between the two terminals other than the control terminal based on a control signal input to the control terminal.
    Type: Application
    Filed: May 16, 2022
    Publication date: December 8, 2022
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Kengo Imagawa, Yoshihiro Hayashi
  • Publication number: 20220342311
    Abstract: An information processing device includes a processor and a storage device. The processor is configured to acquire data for each parameter provided from each of a light source device which generates pulse light and an exposure apparatus which performs exposure on a wafer with the pulse light output from the light source device, and time data associated with the data; to perform classification, based on the acquired data and time data, for each record of the data associated with same time data for distinguishing whether being data during exposure in which the wafer is irradiated with the pulse light or being data during non-exposure; to associate attribute information indicating an attribute according to the classification with each of the records; to cause the storage device to store the data and the time data associated with the attribute information; and to generate a chart using data read from the storage device.
    Type: Application
    Filed: July 6, 2022
    Publication date: October 27, 2022
    Applicant: Gigaphoton Inc.
    Inventors: Yutaka IGARASHI, Satoru KIKUCHI, Kunihiko ABE, Yuji MINEGISHI
  • Patent number: 11357476
    Abstract: Provided is a probe which transmits an ultrasonic wave to a diagnostic site and receives a reception signal which is a reflected wave.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: June 14, 2022
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Yohei Nakamura, Kengo Imagawa, Kazuhiro Amino, Takayuki Iwashita
  • Patent number: 11353857
    Abstract: A data analyzer includes a data collector that acquires data on each analysis target parameter of each of a plurality of apparatuses from the apparatus, the plurality of apparatuses including a light source apparatus, an exposure apparatus that exposes a wafer to pulsed light outputted from the light source apparatus, and a wafer inspection apparatus that inspects the exposed wafer, an image generator that visualizes the data on each of the parameters collected by the data collector from the apparatuses that process the wafer for each predetermined area of the wafer to convert the data into an image and generates a plurality of mapped images for each of the parameters of the apparatuses, and a correlation computing section that performs pattern matching on arbitrary ones of the mapped images generated from the wafer to determine a correlation value between arbitrary ones of the parameters of the apparatuses.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: June 7, 2022
    Assignee: Gigaphoton Inc.
    Inventors: Yutaka Igarashi, Yuji Minegishi, Osamu Wakabayashi
  • Patent number: 11284859
    Abstract: Provided is a probe which transmits an ultrasonic wave to a diagnostic site and receives a reception signal which is a reflected wave.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: March 29, 2022
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Yohei Nakamura, Kengo Imagawa, Kazuhiro Amino, Takayuki Iwashita
  • Patent number: 11191527
    Abstract: Provided is a probe which transmits an ultrasonic wave to a diagnostic site and receives a reception signal which is a reflected wave.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: December 7, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Yohei Nakamura, Kengo Imagawa, Kazuhiro Amino, Takayuki Iwashita
  • Publication number: 20210362187
    Abstract: An ultrasonic probe including: a plurality of transducers; a plurality of low-noise amplifier circuits individually corresponding to the plurality of transducers, the plurality of low-noise amplifier circuits having a variable resistor feedback unit making a resistance value variable by an electrical signal inputted to a control terminal; and a control circuit; wherein the control circuit has a dummy circuit generating a bias voltage of a feedback unit of the low-noise amplifier circuit, and an adding circuit outputting an added signal of a bias voltage by the dummy circuit and a control signal increasing or decreasing with a lapse of time; and the plurality of low-noise amplifier circuits input an output of the adding circuit to the control terminal of the variable resistor feedback unit to perform variable control on a gain of the low-noise amplifier circuit.
    Type: Application
    Filed: February 25, 2021
    Publication date: November 25, 2021
    Inventors: Yutaka IGARASHI, Shinya KAJIYAMA, Kengo IMAGAWA
  • Patent number: 10970326
    Abstract: A retrieving device includes: a classifying unit that classifies document data made up of a plurality of items on the basis of a degree of matching of a first item in which a combination of one or more symbol strings is described in a database in which the document data is stored; and an extracting unit that extracts a group of keywords included in a second item from pieces of document data in a same group classified by the classifying unit as related words for retrieval. Moreover, when the retrieving device is implemented as a distributed system on a network, it is possible to create related words for a plurality of machines and to store the related word data and to enable a plurality of users to use the distributed system.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: April 6, 2021
    Assignee: FANUC CORPORATION
    Inventors: Kenichi Matsuo, Masao Kamiguchi, Masato Yamamura, Shouichi Kawakami, Yutaka Igarashi
  • Publication number: 20210003482
    Abstract: A diagnostic service system includes one or plurality of factory monitoring systems configured to perform monitoring of at least one machine; a service center management device that is connected with the one or plurality of factory monitoring systems via a network; one or plurality of service centers that are connected with the service center management device; and a plurality of service terminals connected with one service center or each of the plurality of service centers via a service control. The plurality of service terminals are used by each responder capable of fault diagnosis of the machine, and when fault of a machine occurs, one of the plurality of service terminals is selected via the service center management device and the one service center or plurality of service centers.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Inventors: Kenichi MATSUO, Masao KAMIGUCHI, Masato YAMAMURA, Shouichi KAWAKAMI, Yutaka IGARASHI, Takahiro KOUJI
  • Patent number: 10876931
    Abstract: A diagnostic service system includes one or plurality of factory monitoring systems configured to perform monitoring of at least one machine; a service center management device that is connected with the one or plurality of factory monitoring systems via a network; one or plurality of service centers that are connected with the service center management device; and a plurality of service terminals connected with one service center or each of the plurality of service centers via a service control. The plurality of service terminals are used by each responder capable of fault diagnosis of the machine, and when fault of a machine occurs, one of the plurality of service terminals is selected via the service center management device and the one service center or plurality of service centers.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: December 29, 2020
    Assignee: FANUC CORPORATION
    Inventors: Kenichi Matsuo, Masao Kamiguchi, Masato Yamamura, Shouichi Kawakami, Yutaka Igarashi, Takahiro Kouji
  • Patent number: 10856845
    Abstract: An ultrasound diagnosis device includes: an ultrasound probe which transmits an ultrasound wave toward a examinee and receives a reflected wave from the examinee; and a main device which controls the transmitting and receiving of the ultrasound waves from the ultrasound probe and is operated to receive a receiving signal obtained by receiving the reflected wave from the examinee by the ultrasound probe, to generate an ultrasound image of the examinee, and to display the ultrasound image on a display screen, wherein the ultrasound probe includes a plurality of subarrays having a plurality of element circuits transmitting and receiving ultrasound signals and a plurality of reference voltage sources, and the plurality of subarrays and the plurality of reference voltage sources have a one-to-one correspondence.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: December 8, 2020
    Assignee: HITACHI, LTD.
    Inventors: Yusaku Katsube, Tatsuo Nakagawa, Yasuyuki Okuma, Yohei Nakamura, Takahide Terada, Shinya Kajiyama, Takuma Nishimoto, Yutaka Igarashi
  • Patent number: 10809161
    Abstract: A diagnostic service system includes one or plurality of factory monitoring systems configured to perform monitoring of at least one machine; a service center management device that is connected with the one or plurality of factory monitoring systems via a network; one or plurality of service centers that are connected with the service center management device; and a plurality of service terminals connected with one service center or each of the plurality of service centers via a service control. The plurality of service terminals are used by each responder capable of fault diagnosis of the machine, and when fault of a machine occurs, one of the plurality of service terminals is selected via the service center management device and the one service center or plurality of service centers.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: October 20, 2020
    Assignee: FANUC CORPORATION
    Inventors: Kenichi Matsuo, Masao Kamiguchi, Masato Yamamura, Shouichi Kawakami, Yutaka Igarashi, Takahiro Kouji
  • Patent number: 10799213
    Abstract: Provided are an ultrasound probe, an element circuit thereof, and an ultrasound diagnostic device, whereby high image quality is possible and reduced size and lower cost are made possible. Provided is an ultrasound probe, comprising: a 2-D array transducer wherein a plurality of transducers are arrayed two-dimensionally; and a 2-D array IC in which are formed, upon an IC substrate, drive circuits which are disposed upon each of the transducers of the 2-D array transducer to drive each of the transducers at different timings with a prescribed delay quantity, and common current sources which supply drive current to the transducers of the 2-D array transducer. The number n of the common current sources which are formed upon the IC substrate is fewer than the number N of the drive circuits which are formed upon the IC substrate.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: October 13, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Takuma Nishimoto, Yutaka Igarashi, Toru Yazaki, Kengo Imagawa, Yusaku Katsube
  • Publication number: 20200300817
    Abstract: An object of the invention is to provide an ultrasonic probe, an ultrasonic diagnostic device, and a manufacturing method of the ultrasonic probe, which are capable of reducing a product defect rate. An ultrasonic probe according to one embodiment includes a plurality of channels. Each of the plurality of channels includes a vibrator that outputs an ultrasonic wave, and a transmission circuit unit that changes an output in response to an input transmission signal and causes the vibrator to output the ultrasonic wave by driving the vibrator with the output. Here, the transmission circuit unit includes a stop signal holding circuit that holds a stop signal when the stop signal is input in advance, and selects whether to change the output in response to the transmission signal based on whether the stop signal is held.
    Type: Application
    Filed: February 26, 2020
    Publication date: September 24, 2020
    Inventors: Toru Yazaki, Yutaka Igarashi, Yoshihiro Hayashi, Tsuneo Kawamata
  • Publication number: 20200133249
    Abstract: A data analyzer includes a data collector that acquires data on each analysis target parameter of each of a plurality of apparatuses from the apparatus, the plurality of apparatuses including a light source apparatus, an exposure apparatus that exposes a wafer to pulsed light outputted from the light source apparatus, and a wafer inspection apparatus that inspects the exposed wafer, an image generator that visualizes the data on each of the parameters collected by the data collector from the apparatuses that process the wafer for each predetermined area of the wafer to convert the data into an image and generates a plurality of mapped images for each of the parameters of the apparatuses, and a correlation computing section that performs pattern matching on arbitrary ones of the mapped images generated from the wafer to determine a correlation value between arbitrary ones of the parameters of the apparatuses.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 30, 2020
    Applicant: Gigaphoton Inc.
    Inventors: Yutaka IGARASHI, Yuji MINEGISHI, Osamu WAKABAYASHI
  • Publication number: 20200116595
    Abstract: A diagnostic service system includes one or plurality of factory monitoring systems configured to perform monitoring of at least one machine; a service center management device that is connected with the one or plurality of factory monitoring systems via a network; one or plurality of service centers that are connected with the service center management device; and a plurality of service terminals connected with one service center or each of the plurality of service centers via a service control. The plurality of service terminals are used by each responder capable of fault diagnosis of the machine, and when fault of a machine occurs, one of the plurality of service terminals is selected via the service center management device and the one service center or plurality of service centers.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 16, 2020
    Inventors: Kenichi MATSUO, Masao KAMIGUCHI, Masato YAMAMURA, Shouichi KAWAKAMI, Yutaka IGARASHI, Takahiro KOUJI