Patents by Inventor Taishi WATANABE

Taishi WATANABE 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: 20220296143
    Abstract: A biomagnetism measurement apparatus includes a memory and a processor configured to set a curved surface as a region-of-interest based on a morphological image including a portion to be evaluated of a subject, the morphological image being acquired by an image acquisition apparatus, and the curved surface being a surface on which an anterior-posterior position of the subject changes in a cranial-caudal direction and in a left-right direction along a position of a nerve to be evaluated. The processor is further configured to estimate current distribution in the region-of-interest based on magnetic data, the magnetic data being acquired by measuring a magnetic field with a magnetic measurement instrument, and the magnetic field being generated by an electrical activity of a nerve in the portion to be evaluated.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 22, 2022
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Koki ISHIDA, Taishi WATANABE, Shigenori KAWABATA, Jun HASHIMOTO
  • Patent number: 11443717
    Abstract: A biometric information display device includes a display controller configured to display a morphological image indicative of a morphology of a subject, on a display, an input controller configured to receive a designation of a specified position on the morphological image, a pathway generating section configured to generate a pathway based on the specified position on the morphological image, and a current extracting section configured to extract current components at a plurality of positions along the pathway, based on current information reconstructed based on magnetic field measurement data generated by the subject. The display controller displays the current components extracted along the pathway on the display.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 13, 2022
    Assignees: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Yoichiro Takahashi, Taishi Watanabe, Shigenori Kawabata
  • Patent number: 11375934
    Abstract: A biomagnetic measurement apparatus includes a table on which a subject is placed; a biomagnetic detector configured to detect a biomagnetic field of the subject; a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected; a radiation detector provided below the supporter; and a position changer configured to change relative positions of the biomagnetic detector and the detection target region. The supporter has a surface shape that corresponds to a surface of the biomagnetic detector.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: July 5, 2022
    Assignees: Ricoh Company, Ltd., NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Yoshinori Okada, Yoshihisa Naijo, Hiroshi Deguchi, Taishi Watanabe, Yuki Miyano, Shigenori Kawabata
  • 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
  • Publication number: 20220031276
    Abstract: An image processing apparatus includes a processor programmed to obtain a first radiation image of a subject captured from a first direction, obtain a second radiation image of the subject captured from a second direction that intersects the first direction, and either correct one of the first radiation image and the second radiation image based on positional information of a device for capturing the one of the first radiation image and the second radiation image, or correct another one of the first radiation image and the second radiation image based on information on a position of a specific region of the subject obtained from the one of the first radiation image and the second radiation image.
    Type: Application
    Filed: July 16, 2021
    Publication date: February 3, 2022
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Taishi WATANABE, Akira Kinoshita, Masahiro Takada, Shigenori Kawabata
  • Publication number: 20210290143
    Abstract: A bioelectric current estimation method includes acquiring position information of a nerve in a measurement target region of a subject for which magnetic data is measured with a magnetic sensor, the position information of the nerve being acquired based on a nerve image included in a morphological image of the measurement target region; acquiring a positional relationship between a position of the nerve and a position of the magnetic sensor, based on the acquired position information of the nerve and position information of the magnetic sensor when the magnetic sensor is positioned to face the measurement target region; and estimating a neural activity current, which is generated in association with neural activity of the subject, based on the acquired positional relationship and the magnetic data of the measurement target region measured by the magnetic sensor.
    Type: Application
    Filed: March 18, 2021
    Publication date: September 23, 2021
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Taishi WATANABE, Shigenori KAWABATA, Takanori YOKOTA, Miho AKAZA, Hiroshi DEGUCHI, Sukchan KIM, Yuki MIYANO
  • Patent number: 11076790
    Abstract: A biological information measuring apparatus includes a biomagnetism detector configured to detect biomagnetism of a subject, the biomagnetism detector including a temperature adjustment mechanism; and a radiation detector configured to acquire emitted radiation as digital image data. The radiation detector is disposed between a measurement region of the subject and the biomagnetism detector.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: August 3, 2021
    Assignees: National University Corporation Tokyo Medical and Dental University, Ricoh Company, Ltd.
    Inventors: Shigenori Kawabata, Taishi Watanabe
  • Patent number: 11051737
    Abstract: A biomagnetic measurement method, a biomagnetic measuring device, and a biomagnetic measuring system. The method and the biomagnetic measuring device includes obtaining first measurement data output from a magnetic field detector upon giving a stimulus to a subject in a first state where a site of interest of the subject is made close to the magnetic field detector, and obtaining second measurement data output from the magnetic field detector upon giving a stimulus to the subject in a second state where a site to which the stimulus is given and a position of the site to which the stimulus is given are equivalent to a site to which the stimulus is given and a position of the site to which the stimulus is given in the first state, respectively, and the site of interest of the subject is separated from the magnetic field detector with reference to the first state.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: July 6, 2021
    Assignee: Ricoh Company, Ltd.
    Inventor: Taishi Watanabe
  • Publication number: 20210158780
    Abstract: A biometric information display device includes a display controller configured to display a morphological image indicative of a morphology of a subject, on a display, an input controller configured to receive a designation of a specified position on the morphological image, a pathway generating section configured to generate a pathway based on the specified position on the morphological image, and a current extracting section configured to extract current components at a plurality of positions along the pathway, based on current information reconstructed based on magnetic field measurement data generated by the subject. The display controller displays the current components extracted along the pathway on the display.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 27, 2021
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Yoichiro TAKAHASHI, Taishi WATANABE, Shigenori KAWABATA
  • Publication number: 20210113837
    Abstract: A nerve stimulating apparatus includes a plurality of stimulating units configured to respectively apply stimuli to a plurality of nerve regions branching from a particular nerve region of a living body, and a stimulation timing controller configured to set generating timings of respectively generating the stimuli at the plurality of stimulating units. The stimulation timing controller sets the generating timings of generating the stimuli at the plurality of stimulating units based on response results of the particular nerve region, the response results being obtained in response to the stimuli that are respectively generated at the plurality of stimulating units and that are respectively applied to the plurality of nerve regions, and the response results being measured by a biometric information measuring apparatus that measures biometric information.
    Type: Application
    Filed: October 13, 2020
    Publication date: April 22, 2021
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Shinji SATO, Sukchan KIM, Taishi WATANABE, Yuki MITANI, Yuki MIYANO, Shigenori KAWABATA, Toru SASAKI
  • Publication number: 20200411180
    Abstract: A biological data processing apparatus includes an addition averaging processor configured to perform an addition averaging process on measurement data of a magnetic field generated by a living body; an estimator configured to perform an estimation process of estimating an intensity of an action current within the living body based on addition average data acquired by the addition averaging processor; a start instruction acceptor configured to accept a start instruction to start the estimation process by the estimator while measurement of the magnetic field is being performed; and a display configured to display an estimation result obtained by the estimator in response to the start instruction.
    Type: Application
    Filed: June 25, 2020
    Publication date: December 31, 2020
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Akira KINOSHITA, Shigenori KAWABATA, Masahiro TAKADA, Kazuma GOTO, Fumikazu HOSHI, Taishi WATANABE
  • Publication number: 20200300783
    Abstract: An information acquisition method includes: executing a voxel defining process to divide an area in which a signal source is assumed to be present and define a voxel division V1 specifying resolution of an image; executing a data collecting process to acquire magnetic field data resulting from measurement of a magnetic field generated in the area; and executing a reconstructing process to estimate, by using a mathematical algorithm, a direction and strength of a current of a signal source at a location of each voxel based on the acquired magnetic field data. The reconstructing process includes: calculating a Gram matrix by using a voxel division V2 defined coarser than the voxel division V1; and reconstructing, by using the Gram matrix, a direction and strength of a current of a signal source in the voxel division V1.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 24, 2020
    Applicants: Ricoh Company, Ltd., TOKYO METROPOLITAN UNIVERSITY
    Inventors: Taishi WATANABE, Kensuke SEKIHARA
  • Publication number: 20200289004
    Abstract: A signal processing apparatus includes a memory, and a processor coupled to the memory and configured to perform a process including obtaining measurement data including a signal of interest and an interference signal generated in proximity to a signal source of the signal of interest, estimating a signal source in an extraction target area including the signal source of the signal of interest and a signal source of the interference signal based on the measurement data, selecting the signal source of the interference signal based on a result of the estimating a signal source and extracting interference signal data generated from the selected signal source of the interference signal, and extracting the signal of interest by removing a common part between the measurement data and the interference signal data.
    Type: Application
    Filed: February 28, 2020
    Publication date: September 17, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Taishi WATANABE
  • Publication number: 20190167135
    Abstract: A biomagnetic measurement apparatus includes a table on which a subject is placed; a biomagnetic detector configured to detect a biomagnetic field of the subject; a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected; a radiation detector provided below the supporter; and a position changer configured to change relative positions of the biomagnetic detector and the detection target region. The supporter has a surface shape that corresponds to a surface of the biomagnetic detector.
    Type: Application
    Filed: November 23, 2018
    Publication date: June 6, 2019
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Yoshinori Okada, Yoshihisa Naijo, Hiroshi Deguchi, Taishi Watanabe, Yuki Miyano, Shigenori Kawabata
  • Publication number: 20180333062
    Abstract: A biomagnetic measurement method, a biomagnetic measuring device, and a biomagnetic measuring system. The method and the biomagnetic measuring device includes obtaining first measurement data output from a magnetic field detector upon giving a stimulus to a subject in a first state where a site of interest of the subject is made close to the magnetic field detector, and obtaining second measurement data output from the magnetic field detector upon giving a stimulus to the subject in a second state where a site to which the stimulus is given and a position of the site to which the stimulus is given are equivalent to a site to which the stimulus is given and a position of the site to which the stimulus is given in the first state, respectively, and the site of interest of the subject is separated from the magnetic field detector with reference to the first state.
    Type: Application
    Filed: May 10, 2018
    Publication date: November 22, 2018
    Inventor: Taishi WATANABE
  • Publication number: 20180172830
    Abstract: A distance image processing device, a distance image processing method and a distance image processing program according to the present invention obtain a distance image having a plurality of pixels corresponding to each of a plurality of directions different from each other based on a plurality of transmitted waves and a plurality of reflected waves and determine a target region as noise if a gradient of a distance value between the target region and a predetermined peripheral with respect to the target region is within a predetermined range and a pulse width of the reflected wave relating to the target region is larger than a pulse width of the reflected wave relating to the peripheral region when a predetermined region in the distance image is the target region. A recording medium records such a distance image processing program.
    Type: Application
    Filed: May 25, 2016
    Publication date: June 21, 2018
    Inventor: Taishi WATANABE
  • Publication number: 20180092561
    Abstract: A biological information measuring apparatus includes a biomagnetism detector configured to detect biomagnetism of a subject, the biomagnetism detector including a temperature adjustment mechanism; and a radiation detector configured to acquire emitted radiation as digital image data. The radiation detector is disposed between a measurement region of the subject and the biomagnetism detector.
    Type: Application
    Filed: September 26, 2017
    Publication date: April 5, 2018
    Applicants: National University Corporation Tokyo Medical and Dental University, Ricoh Company, Ltd.
    Inventors: Shigenori KAWABATA, Taishi WATANABE