Patents by Inventor Yoshitsugu Sakai

Yoshitsugu Sakai 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: 20200319080
    Abstract: There is provided a connecting member to be attached to a substrate that includes at least a sample introduction section to introduce a sample, a sheath liquid introduction section to introduce a sheath liquid, and a jetting section to jet droplets, the connecting member including at least: a sample introduction linking section to be linked to the sample introduction section; a sheath liquid introduction linking section to be linked to the sheath liquid introduction section; and a charging electrode section that provides charges to at least part of the droplets. The sample introduction linking section and the sheath liquid introduction linking section are positioned so as to be linked to corresponding positions of the substrate.
    Type: Application
    Filed: April 12, 2017
    Publication date: October 8, 2020
    Inventors: YOSHITSUGU SAKAI, MASAAKI ABE, ICHIRO FUJII, RYOICHI KUBOTA
  • Publication number: 20200249166
    Abstract: A fluorescence intensity calculating apparatus, includes a measuring section configured to receive fluorescences generated from plural fluorescent dyes excited by radiating a light to a microparticle multiply-labeled with the plural fluorescent dyes having fluorescence wavelength bands overlapping one another by photodetectors which correspond to different received light wavelength bands, respectively, and whose number is larger than the number of fluorescent dyes, and obtain measured spectra by collecting detected values from the photodetectors, and a calculating section configured to approximate the measured spectra based on a linear sum of single-dyeing spectra obtained from the microparticle individually labeled with the fluorescent dyes, thereby calculating intensities of the fluorescences generated from the fluorescent dyes, respectively.
    Type: Application
    Filed: April 14, 2020
    Publication date: August 6, 2020
    Inventors: Yasunobu Kato, Yoshitsugu Sakai
  • Publication number: 20200217784
    Abstract: A fluorescent spectrum correcting method includes comparing fluorescent spectrum obtained from micro-particles labeled with a plurality of fluorescent pigments with reference spectrum to separating the fluorescent spectrum into fluorescent spectrum for each pigment, and previously measured spectrum data is used as the reference spectrum.
    Type: Application
    Filed: August 10, 2018
    Publication date: July 9, 2020
    Inventors: MASAYA KAKUTA, KOJI FUTAMURA, YOSHITSUGU SAKAI, YASUNOBU KATO
  • Publication number: 20200173905
    Abstract: The present technology provides a technology for stabilizing break-off timings. Therefore, according to the present technology, there is provided a microparticle analysis device or the like including at least: a flow path in which a fluid including a sample flow containing microparticles and a sheath flow flowing to contain the sample flow; a droplet formation unit configured to form a droplet in the fluid by imparting vibration to the fluid using a vibration element; an electric charge application unit configured to apply electric charge to a droplet containing the microparticles; an imaging unit configured to obtain a photo of a phase of a certain time; and a control unit configured to control a timing at which the droplet breaks off on a basis of the photo.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Applicant: Sony Corporation
    Inventors: Yuya Suzuki, Fumitaka Otsuka, Masashi Kimoto, Shingo Imanishi, Yoshitsugu Sakai
  • Patent number: 10656090
    Abstract: A fluorescence intensity calculating apparatus, includes a measuring section configured to receive fluorescences generated from plural fluorescent dyes excited by radiating a light to a microparticle multiply-labeled with the plural fluorescent dyes having fluorescence wavelength bands overlapping one another by photodetectors which correspond to different received light wavelength bands, respectively, and whose number is larger than the number of fluorescent dyes, and obtain measured spectra by collecting detected values from the photodetectors, and a calculating section configured to approximate the measured spectra based on a linear sum of single-dyeing spectra obtained from the microparticle individually labeled with the fluorescent dyes, thereby calculating intensities of the fluorescences generated from the fluorescent dyes, respectively.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: May 19, 2020
    Assignee: Sony Corporation
    Inventors: Yasunobu Kato, Yoshitsugu Sakai
  • Patent number: 10591400
    Abstract: The present technology provides a technology for stabilizing break-off timings. Therefore, according to the present technology, there is provided a microparticle analysis device or the like including at least: a flow path in which a fluid including a sample flow containing microparticles and a sheath flow flowing to contain the sample flow; a droplet formation unit configured to form a droplet in the fluid by imparting vibration to the fluid using a vibration element; an electric charge application unit configured to apply electric charge to a droplet containing the microparticles; an imaging unit configured to obtain a photo of a phase of a certain time; and a control unit configured to control a timing at which the droplet breaks off on a basis of the photo.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: March 17, 2020
    Assignee: Sony Corporation
    Inventors: Yuya Suzuki, Fumitaka Otsuka, Masashi Kimoto, Shingo Imanishi, Yoshitsugu Sakai
  • Publication number: 20190301994
    Abstract: The present technology provides a technology for stabilizing break-off timings. Therefore, according to the present technology, there is provided a microparticle analysis device or the like including at least: a flow path in which a fluid including a sample flow containing microparticles and a sheath flow flowing to contain the sample flow; a droplet formation unit configured to form a droplet in the fluid by imparting vibration to the fluid using a vibration element; an electric charge application unit configured to apply electric charge to a droplet containing the microparticles; an imaging unit configured to obtain a photo of a phase of a certain time; and a control unit configured to control a timing at which the droplet breaks off on a basis of the photo.
    Type: Application
    Filed: January 8, 2019
    Publication date: October 3, 2019
    Applicant: Sony Corporation
    Inventors: Yuya Suzuki, Fumitaka Otsuka, Masashi Kimoto, Shingo Imanishi, Yoshitsugu Sakai
  • Publication number: 20190212267
    Abstract: A fluorescence intensity calculating apparatus, includes a measuring section configured to receive fluorescences generated from plural fluorescent dyes excited by radiating a light to a microparticle multiply-labeled with the plural fluorescent dyes having fluorescence wavelength bands overlapping one another by photodetectors which correspond to different received light wavelength bands, respectively, and whose number is larger than the number of fluorescent dyes, and obtain measured spectra by collecting detected values from the photodetectors, and a calculating section configured to approximate the measured spectra based on a linear sum of single-dyeing spectra obtained from the microparticle individually labeled with the fluorescent dyes, thereby calculating intensities of the fluorescences generated from the fluorescent dyes, respectively.
    Type: Application
    Filed: March 7, 2019
    Publication date: July 11, 2019
    Inventors: Yasunobu Kato, Yoshitsugu Sakai
  • Patent number: 10295466
    Abstract: A fluorescence intensity calculating apparatus, includes a measuring section configured to receive fluorescences generated from plural fluorescent dyes excited by radiating a light to a microparticle multiply-labeled with the plural fluorescent dyes having fluorescence wavelength bands overlapping one another by photodetectors which correspond to different received light wavelength bands, respectively, and whose number is larger than the number of fluorescent dyes, and obtain measured spectra by collecting detected values from the photodetectors, and a calculating section configured to approximate the measured spectra based on a linear sum of single-dyeing spectra obtained from the microparticle individually labeled with the fluorescent dyes, thereby calculating intensities of the fluorescences generated from the fluorescent dyes, respectively.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: May 21, 2019
    Assignee: Sony Corporation
    Inventors: Yasunobu Kato, Yoshitsugu Sakai
  • Publication number: 20190080492
    Abstract: Disclosed herein is a microparticle analyzing apparatus including a detecting portion configured to simultaneously detect a fluorescence generated from a microparticle in plural wavelength regions and a displaying portion configured to display thereon detection results in the plural wavelength regions in a form of a spectrum.
    Type: Application
    Filed: November 8, 2018
    Publication date: March 14, 2019
    Inventor: Yoshitsugu Sakai
  • Publication number: 20180348120
    Abstract: A fluorescent spectrum correcting method includes comparing fluorescent spectrum obtained from micro-particles labeled with a plurality of fluorescent pigments with reference spectrum to separating the fluorescent spectrum into fluorescent spectrum for each pigment, and previously measured spectrum data is used as the reference spectrum.
    Type: Application
    Filed: August 10, 2018
    Publication date: December 6, 2018
    Inventors: MASAYA KAKUTA, KOJI FUTAMURA, YOSHITSUGU SAKAI, YASUNOBU KATO
  • Patent number: 10147209
    Abstract: Disclosed herein is a microparticle analyzing apparatus including a detecting portion configured to simultaneously detect a fluorescence generated from a microparticle in plural wavelength regions and a displaying portion configured to display thereon detection results in the plural wavelength regions in a form of a spectrum.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: December 4, 2018
    Assignee: Sony Corporation
    Inventor: Yoshitsugu Sakai
  • Publication number: 20170186198
    Abstract: Disclosed herein is a microparticle analyzing apparatus including a detecting portion configured to simultaneously detect a fluorescence generated from a microparticle in plural wavelength regions and a displaying portion configured to display thereon detection results in the plural wavelength regions in a form of a spectrum.
    Type: Application
    Filed: March 16, 2017
    Publication date: June 29, 2017
    Inventor: Yoshitsugu Sakai
  • Patent number: 9619907
    Abstract: Disclosed herein is a microparticle analyzing apparatus including a detecting portion configured to simultaneously detect a fluorescence generated from a microparticle in plural wavelength regions and a displaying portion configured to display thereon detection results in the plural wavelength regions in a form of a spectrum.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: April 11, 2017
    Assignee: Sony Corporation
    Inventor: Yoshitsugu Sakai
  • Patent number: 9170188
    Abstract: A 3D data analysis apparatus includes a data storage unit configured to store measurement data of microparticles, an input unit configured to select four independent variables from the measurement data, a data processing unit configured to calculate a position in a coordinate space using three variables of the selected variables as coordinate axes, calculate a figure from one residual variable of the selected variables, and create a 3D stereoscopic image showing a characteristic distribution of the microparticles, and a display unit configured to display the 3D stereoscopic image.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: October 27, 2015
    Assignee: Sony Corporation
    Inventors: Shunsuke Suzuki, Atsuo Fujimaki, Yoshitsugu Sakai
  • Patent number: 8990024
    Abstract: A fluorescence intensity compensation method, includes: receiving, with photodetectors having different input wavelength bands, fluorescence emitted from fluorochromes excited by irradiating light on microparticles multiply-labeled by a plurality of fluorochromes with overlapping fluorescence wavelengths; collecting detected values for the photodetectors; and obtaining a measurement spectrum, by approximating, from the linear sum of single-stain spectrums obtained from microparticles individually labeled with the fluorochromes; wherein approximation of the measurement spectrum by the linear sum of the single-stain spectrums is performed using the restricted least-square method.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: March 24, 2015
    Assignee: Sony Corporation
    Inventors: Yasunobu Kato, Yoshitsugu Sakai
  • Publication number: 20140365159
    Abstract: A fluorescence intensity calculating apparatus, includes a measuring section configured to receive fluorescences generated from plural fluorescent dyes excited by radiating a light to a microparticle multiply-labeled with the plural fluorescent dyes having fluorescence wavelength bands overlapping one another by photodetectors which correspond to different received light wavelength bands, respectively, and whose number is larger than the number of fluorescent dyes, and obtain measured spectra by collecting detected values from the photodetectors, and a calculating section configured to approximate the measured spectra based on a linear sum of single-dyeing spectra obtained from the microparticle individually labeled with the fluorescent dyes, thereby calculating intensities of the fluorescences generated from the fluorescent dyes, respectively.
    Type: Application
    Filed: August 5, 2014
    Publication date: December 11, 2014
    Inventors: Yasunobu Kato, Yoshitsugu Sakai
  • Patent number: 8825431
    Abstract: A fluorescence intensity calculating apparatus, includes: a measuring section configured to receive fluorescences generated from plural fluorescent dyes excited by radiating a light to a microparticle multiply-labeled with the plural fluorescent dyes having fluorescence wavelength bands overlapping one another by photodetectors which correspond to different received light wavelength bands, respectively, and whose number is larger than the number of fluorescent dyes, and obtain measured spectra by collecting detected values from the photodetectors; and a calculating section configured to approximate the measured spectra based on a linear sum of single-dyeing spectra obtained from the microparticle individually labeled with the fluorescent dyes, thereby calculating intensities of the fluorescences generated from the fluorescent dyes, respectively.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: September 2, 2014
    Assignee: Sony Corporation
    Inventors: Yasunobu Kato, Yoshitsugu Sakai
  • Patent number: 8629412
    Abstract: A fluorescence intensity correction method including: receiving fluorescence emitted from fluorescent pigments, collecting detected values from each light detector, and obtaining a fluorescence spectrum of each fluorescent pigment as one spectrum group; separating the obtained spectrum group into a plurality of small spectrum groups; comparing the separated small spectrum groups with a fluorescence wavelength distribution of each fluorescent pigment obtained in advance and specifying the small spectrum groups as the fluorescence spectrum of any fluorescent pigment; comparing a differential spectrum between small spectrum groups that are not specified and one or more specified small spectrum groups with the fluorescence wavelength distribution of unspecified fluorescent pigments obtained in advance, and specifying the differential spectrum as the fluorescence spectrum of any fluorescent pigment; and calculating the intensity of fluorescence emitted from each fluorescent pigment.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: January 14, 2014
    Assignee: Sony Corporation
    Inventor: Yoshitsugu Sakai
  • Patent number: D827588
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: September 4, 2018
    Assignee: SONY CORPORATION
    Inventors: Yoshitsugu Sakai, Masaaki Abe, Ichiro Fujii