Patents by Inventor Hideaki Yamagata

Hideaki Yamagata 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: 20220202372
    Abstract: A biological-data processing apparatus includes a processor; and a memory storing instructions that cause the processor to execute performing an addition-averaging process on biological data; performing a biological data process based on the biological data to obtain a process result, by using addition-average data, obtained as a result of the addition-averaging process, and a parameter that is predetermined; storing, in a storage, an addition count used to obtain the addition-average data, the addition-average data, and the parameter in association with each other; and changing a second parameter to a first parameter, in response to determining that the process result is valid when the biological data process is performed by using a first addition count that is specified and the first parameter corresponding to the first addition count, the second parameter corresponding to a second addition count that is different from the first addition count.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 30, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki Yamagata, Yuki Miyano, Fumikazu Hoshi, Yohei Yamane
  • Publication number: 20220202371
    Abstract: A biological-data processing apparatus includes a processor; and a memory that includes instructions, which when executed, cause the processor to execute performing an addition-averaging process every time an addition count of biological data reaches a predetermined count, the biological data being measured in response to a trigger signal associated with a stimulus applied to one or more parts; storing, in a storage, addition-average data resulting from the addition-averaging process performed for each of the stimulated one or more parts, in association with the addition count in the addition-average data; and performing a biological data process based on the biological data, by using the addition-average data corresponding to each of the stimulated one or more parts, the addition-average data being acquired by referring to the storage based on the addition count that is specified.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 30, 2022
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Fumikazu HOSHI, Yuki Miyano, Hideaki Yamagata, Shigenori Kawabata, Nobuyori Nagaoka, Taishi Watanabe
  • Patent number: 11311249
    Abstract: An information processing apparatus includes an acquiring unit, a determining unit, and a changing unit. The acquiring unit is configured to acquire determination information for determining a display layout of a screen for displaying information related to one or more biological signals. The determining unit is configured to determine a display layout corresponding to the determination information acquired by the acquiring unit. The changing unit is configured to change a display layout of the screen in accordance with the display layout determined by the determining unit.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: April 26, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Shinya Mukasa, Hideaki Yamagata, Noriyuki Tomita, Aritaka Hagiwara, Yutaka Yagiura, Daisuke Sakai
  • Patent number: 11237712
    Abstract: Two types of information processing devices includes circuitry to display, on a display device, a position representation area indicating a position of each of a group of sensors that detects biomedical signals of a test subject, display on the display device a selection acceptance area accepting selection of a plurality of positions of a plurality of desired sensors, the plurality of positions being selected from the group of sensors using an operating unit, and display on the display device a waveform display area displaying a waveform output from the plurality of desired sensors corresponding to the plurality of selected positions. In the first type of information processing device, single-region data indicating a region including the plurality of selected positions is displayed in the position representation area. In the second type of information processing device, the plurality of selected positions are enlarged and displayed in the position representation area.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: February 1, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Michinari Shinohara, Hideaki Yamagata
  • Patent number: 11191506
    Abstract: A diagnosis support system includes a calculator configured to calculate position information indicating a positional relationship between a biological sensor and a predetermined region of a measurement target; and an extractor configured to extract, from biological information already diagnosed, biological information that is associated with position information, which is similar to the position information calculated by the calculator.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: December 7, 2021
    Assignee: Ricoh Company, Ltd.
    Inventor: Hideaki Yamagata
  • Patent number: 11138779
    Abstract: An information processing apparatus includes a display controller configured to group dipole estimation results with the same direction out of dipole estimation results of a signal source corresponding to part of biological data indicating a chronological change of a biological signal and display the grouped dipole estimation results in a manner superimposed on a plurality of biological tomographic images sliced in a predetermined direction. The display controller is configured to, when displaying a non-grouped dipole estimation result, display the non-grouped dipole estimation result in a different color or form from a color or a form of the grouped dipole estimation results depending on a direction of the dipole estimation result.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: October 5, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Hideaki Yamagata, Eiichi Okumura, Noriyuki Tomita
  • Patent number: 11109810
    Abstract: An information display device includes a component extraction unit, a sorting unit, and a noise component selection unit. The component extraction unit is configured to perform a principal component analysis or an independent component analysis to extract desired components from a plurality of signal waveforms based on detected biological signals. The sorting unit is configured to sort a plurality of extracted results obtained by the component extraction unit in descending order of periodicity and display the sorted results. The noise component selection unit is configured to receive selection of one extracted result as a noise component from the extracted results obtained by the component extraction unit.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: September 7, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hideaki Yamagata, Noriyuki Tomita
  • Publication number: 20200297231
    Abstract: An information processing device, an information processing method, a recording medium storing a program for causing a computer to execute the information processing method, and a biomedical-signal measuring system. The information processing device includes circuitry to control a display to superimpose a first image indicative of an estimated site or portion of a live subject on a biological image of the live subject, and control the display to superimpose a second image indicative of a result of analysis on the biological image. The result of the analysis indicates activity of the live subject. The information processing method includes controlling a display to superimpose a first image indicative of an estimated site or portion of a live subject on a biological image of the live subject, and controlling the display to superimpose a second image indicative of a result of analysis on the biological image.
    Type: Application
    Filed: February 28, 2020
    Publication date: September 24, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki YAMAGATA, Eiichi OKUMURA, Noriyuki TOMITA
  • Publication number: 20200294296
    Abstract: An information processing apparatus includes a display controller configured to group dipole estimation results with the same direction out of dipole estimation results of a signal source corresponding to part of biological data indicating a chronological change of a biological signal and display the grouped dipole estimation results in a manner superimposed on a plurality of biological tomographic images sliced in a predetermined direction. The display controller is configured to, when displaying a non-grouped dipole estimation result, display the non-grouped dipole estimation result in a different color or form from a color or a form of the grouped dipole estimation results depending on a direction of the dipole estimation result.
    Type: Application
    Filed: March 10, 2020
    Publication date: September 17, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki YAMAGATA, Eiichi OKUMURA, Noriyuki TOMITA
  • Publication number: 20200289006
    Abstract: An information processing device, an information processing method, a recording medium storing a program, and a biomedical-signal measuring system. The information processing device includes circuitry to obtain specific information of a first intensity distribution of a biomedical signal from a source, the specific information being displayed on a display, and extract, based on the specific information, a specified area of the first intensity distribution to obtain second intensity distribution of the biomedical signal to be superimposed on an image indicative of the source. The information processing method includes obtaining specific information of a first intensity distribution of a biomedical signal from a prescribed source, the specific information being displayed on a display, and extracting, based on the specific information, a specified area of the first intensity distribution to obtain second intensity distribution of the biomedical signal to be superimposed on an image indicative of the source.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 17, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki YAMAGATA, Noriyuki TOMITA, Eiichi OKUMURA
  • Publication number: 20200294189
    Abstract: An information processing device, an information processing method, a non-transitory recording medium storing a program for causing a computer to execute the information processing method, and an information processing system. The information processing device includes circuitry to specify a pixel value used for a result image indicating a result of analysis on a live subject, based on a pixel value of a live-subject image of the live subject, and superimpose the result image with the specified pixel value on the live-subject image. The information processing method includes specifying a pixel value used for a result image indicating a result of analysis on a live subject, based on a pixel value of a live-subject image of the live subject, and superimposing the result image with the specified pixel value on the live-subject image. The information processing system includes a measurement device to measure a biomedical signal, and the information processing device.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 17, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Hideaki YAMAGATA
  • Patent number: 10711906
    Abstract: A valve includes a cap, a diaphragm defining a movable portion, a valve housing, and a valve portion. An inlet port through which fluid flows into a valve chamber, an outlet port through which the fluid flows out from the valve chamber, and a placement portion on which a peripheral edge portion of the diaphragm is placed are provided in the valve housing. The diaphragm includes a peripheral edge portion, a center portion, a connecting portion connecting the peripheral edge portion and the center portion, and a pusher. The connecting portion has a wave shape from the peripheral edge portion side toward the center portion side such that the connecting portion first projects to a valve body portion side, and next projects to the cap side.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: July 14, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hideaki Yamagata, Takenobu Maeda, Yuzo Higashiyama
  • Patent number: 10679394
    Abstract: An information processing device includes a first display control unit, and a second display control unit. The first display control unit is configured to display, in a display device, a first intensity distribution which is at least per unit time and which is regarding a biosignal coming from a particular source. The second display control unit configured to display, side-by-side in the display device, a first image which has a shape of the source and on which a second intensity distribution of the biosignal corresponding to time corresponding to a point or an area specified in the first intensity distribution is superimposed, and second images which have the shape of the source and on which second intensity distributions of the biosignal before and after the time are superimposed.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: June 9, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Michinari Shinohara, Hideaki Yamagata
  • Publication number: 20200060564
    Abstract: An information display device includes a component extraction unit configured to extract a requested component from multiple given waveforms that are cut out of multiple signal waveforms based on biological signals that are detected; and a noise component selection unit configured to accept selecting, as a noise component, a result of the extracting from multiple results of the extracting by the component extraction unit, and the noise component selection unit displays the multiple results of the extracting by the component extraction unit and times at which the specific waveforms occur.
    Type: Application
    Filed: January 31, 2018
    Publication date: February 27, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Hideaki YAMAGATA
  • Publication number: 20190374188
    Abstract: A disclosed biological data processing device includes a calculator configured to calculate relative position data indicating a relative position of a subject with respect to a biological sensor for measuring the subject using the biological sensor, a specifying unit configured to identify a predetermined part of the subject to specify a relative position of the identified predetermined part with respect to the biological sensor based on the relative position data, and a generator configured to reconfigure electric current sources based on biological data measured by the biological sensor, using the relative position specified by the specifying unit as a calculated position, to generate reconfigured data.
    Type: Application
    Filed: November 28, 2017
    Publication date: December 12, 2019
    Applicant: Ricoh Company, Ltd.
    Inventor: Hideaki YAMAGATA
  • Publication number: 20190282181
    Abstract: According to an embodiment, an information display system includes a displacement measurement unit, a display unit, and a controller. The displacement measurement unit measures displacement of a measurement part. The display unit displays a time axis of signal detection. The controller controls the displacement measurement unit and the display unit. When a signal that is output from the displacement measurement unit meets a given condition, the controller determines that displacement of the measurement part is detected and displays detection information representing that the displacement is detected in any one of a time position and a time area on the display unit in which the displacement is detected.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 19, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki YAMAGATA, Noriyuki Tomita, Aritaka Hagiwara, Shinya Mukasa, Yutaka Yagiura, Daisuke Sakai
  • Publication number: 20190282174
    Abstract: A biological signal analysis device includes: an acquiring unit configured to acquire biological signals of a measurement target; a trigger information acquiring unit configured to acquire, from a stimulator configured to apply stimuli to the measurement target, trigger information indicating times at which the stimuli are generated; and a signal processing unit configured to process the biological signals. The signal processing unit is configured to calculate biological information on the measurement target based on the biological signals, maintain only pieces of trigger information corresponding to times at which it is determined that biological signals of the measurement target are generated, from the calculated biological information, delete another piece of trigger information, and use an averaged waveform that is obtained by performing an averaging process on the biological signals that are generated in synchronization with the stimuli based on the pieces of remaining trigger information.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 19, 2019
    Applicant: Ricoh Company, ltd.
    Inventors: Hideaki YAMAGATA, Eiichi Okumura, Noriyuki Tomita
  • Publication number: 20190282176
    Abstract: An information display device includes a component extraction unit, a sorting unit, and a noise component selection unit. The component extraction unit is configured to perform a principal component analysis or an independent component analysis to extract desired components from a plurality of signal waveforms based on detected biological signals. The sorting unit is configured to sort a plurality of extracted results obtained by the component extraction unit in descending order of periodicity and display the sorted results. The noise component selection unit is configured to receive selection of one extracted result as a noise component from the extracted results obtained by the component extraction unit.
    Type: Application
    Filed: February 25, 2019
    Publication date: September 19, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki Yamagata, Noriyuki TOMITA
  • Publication number: 20190282111
    Abstract: An input device is to input a shape of a measurement target is response to a signal transmitted from a stylus pen, to determine positional relation between a position of a marker and a shape of the measurement target. The marker is attached to the measurement target and detectable by a cerebral-function measuring device. The input device includes a controller, and a display unit. The controller is configured to generate a screen in which a three dimensional shape of the measurement target and a guide of a position to be acquired next with the stylus pen are superimposed. The display unit is configured to display the screen generated by the controller, on a display portion.
    Type: Application
    Filed: March 6, 2019
    Publication date: September 19, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki YAMAGATA, Noriyuki TOMITA
  • Publication number: 20190274640
    Abstract: An information processing apparatus includes an acquiring unit, a determining unit, and a changing unit. The acquiring unit is configured to acquire determination information for determining a display layout of a screen for displaying information related to one or more biological signals. The determining unit is configured to determine a display layout corresponding to the determination information acquired by the acquiring unit. The changing unit is configured to change a display layout of the screen in accordance with the display layout determined by the determining unit.
    Type: Application
    Filed: March 1, 2019
    Publication date: September 12, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Shinya Mukasa, Hideaki Yamagata, Noriyuki Tomita, Aritaka Hagiwara, Yutaka Yagiura, Daisuke Sakai