Patents by Inventor Takaaki Saito
Takaaki 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).
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Patent number: 11962204Abstract: This rotor manufacturing method includes the steps of: pressing a rotor core in a central axis direction by using a core pressing member; and fixing a shaft to the rotor core by performing, with the rotor core pressed, hydroforming that involves pressure-welding the shaft to an inner peripheral surface of a shaft insertion hole.Type: GrantFiled: May 21, 2020Date of Patent: April 16, 2024Assignee: AISIN CORPORATIONInventors: Takaaki Kawashima, Yutaka Hara, Mariko Saito
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Publication number: 20240081616Abstract: Oxygen saturation is calculated on the basis of a calculation value with reference to an oxygen saturation calculation table TBL. A specific colorant concentration of a specific colorant other than hemoglobin is calculated on the basis of B3 image signals and G1 image signals. Whether or not a first difference D1 between the specific colorant concentration and a reference concentration is in a specific range is monitored. A correction notification related to correction of the oxygen saturation calculation table TBL is performed on the basis of a result of the monitoring of the specific colorant concentration.Type: ApplicationFiled: November 27, 2023Publication date: March 14, 2024Applicant: FUJIFILM CorporationInventor: Takaaki SAITO
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Publication number: 20230311487Abstract: A storage apparatus, comprising a memory unit including an anti-fuse element, an information write unit configured to write information in the anti-fuse element by periodically applying a signal to the memory unit, and a control unit configured to execute drive control of the information write unit, wherein based on a determination result as to whether the signal periodically output by the information write unit satisfies a criterion, the control unit changes a period of a signal to be output by the information write unit.Type: ApplicationFiled: March 23, 2023Publication date: October 5, 2023Inventors: TAKAAKI SAITO, YOJI SHIMOYAMA
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Publication number: 20230286263Abstract: A semiconductor storage apparatus comprising a memory unit including one or more memory devices, the semiconductor storage apparatus further comprising a first resistance connected in series to a power line that supplies a writing voltage to the memory unit, a second resistance connected in parallel to the first resistance via a drive element, and a control unit configured to control the drive element to be driven into conduction to allow current to flow through the first resistance and the second resistance when a memory device of the one or more memory devices of the memory unit is selected.Type: ApplicationFiled: January 31, 2023Publication date: September 14, 2023Inventor: Takaaki Saito
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Patent number: 11733357Abstract: A 3-dimensional measuring device includes: a light source unit; a projection optical system; a scanning mirror that is provided to be rotatable about a rotating shaft in a state of being inclined with respect to a shaft center of the rotating shaft to radiate a range-finding light within a plane crossing the rotating shaft in a rotary manner; a light-receiving optical system that receives a reflection range-finding light; a reference light optical system that is provided in a range outside a measuring range within a radiation range to receive and reflect the range-finding light as an internal reference light, the reference light optical system being capable of changing a light quantity of the internal reference light; and a light receiving element that receives the reflection range-finding light and the internal reference light.Type: GrantFiled: October 28, 2022Date of Patent: August 22, 2023Assignee: TOPCON CORPORATIONInventors: Yasushi Tanaka, Takaaki Saito, Ken'ichiro Yoshino, Mitsuru Kanokogi
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Publication number: 20230077077Abstract: A 3-dimensional measuring device includes: a light source unit; a projection optical system; a scanning mirror that is provided to be rotatable about a rotating shaft in a state of being inclined with respect to a shaft center of the rotating shaft to radiate a range-finding light within a plane crossing the rotating shaft in a rotary manner; a light-receiving optical system that receives a reflection range-finding light; a reference light optical system that is provided in a range outside a measuring range within a radiation range to receive and reflect the range-finding light as an internal reference light, the reference light optical system being capable of changing a light quantity of the internal reference light; and a light receiving element that receives the reflection range-finding light and the internal reference light.Type: ApplicationFiled: October 28, 2022Publication date: March 9, 2023Applicant: TOPCON CORPORATIONInventors: Yasushi TANAKA, Takaaki SAITO, Ken'ichiro YOSHINO, Mitsuru KANOKOGI
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Publication number: 20230047690Abstract: An image forming apparatus includes a printing unit, first and second stacking units, first and second conveyance units, and a control unit. When the first conveyance unit conveys a sheet to the first stacking unit, the printing unit prints an image on a first number of sheets as first sheets in a first printing operation and prints the image on the first sheets in a second printing operation. When the second conveyance unit conveys the sheet to the second stacking unit, the printing unit prints the image on a second number of sheets, greater than the first number of sheets, as second sheets in the first printing operation and prints the image on the second sheets in the second printing operation. A number of sheets printed per unit time in the second printing operation is less than a number of sheets printed per unit time in the first printing operation.Type: ApplicationFiled: August 4, 2022Publication date: February 16, 2023Inventor: Takaaki Saito
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Patent number: 11520015Abstract: A 3-dimensional measuring device includes: a light source unit; a projection optical system; a scanning mirror that is provided to be rotatable about a rotating shaft in a state of being inclined with respect to a shaft center of the rotating shaft to radiate a range-finding light within a plane crossing the rotating shaft in a rotary manner; a light-receiving optical system that receives a reflection range-finding light; a reference light optical system that is provided in a range outside a measuring range within a radiation range to receive and reflect the range-finding light as an internal reference light, the reference light optical system being capable of changing a light quantity of the internal reference light; and a light receiving element that receives the reflection range-finding light and the internal reference light.Type: GrantFiled: August 21, 2018Date of Patent: December 6, 2022Assignee: TOPCON CORPORATIONInventors: Yasushi Tanaka, Takaaki Saito, Ken'ichiro Yoshino, Mitsuru Kanokogi
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Publication number: 20220225865Abstract: An endoscope system includes a processor, and the processor acquires a plurality of spectral images for calculation of oxygen saturation that are used to calculate oxygen saturation of an object to be observed and spectral images for correction that are used to calculate correction values to be used to correct the oxygen saturation, creates a linearity correction table that is used to linearize a relationship between an amount of light incident on an image sensor and pixel values of the spectral images for correction, and calculates the correction values using the spectral images for correction that have been subjected to linearity correction using the linearity correction table.Type: ApplicationFiled: April 8, 2022Publication date: July 21, 2022Applicant: FUJIFILM CorporationInventor: Takaaki SAITO
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Publication number: 20220218190Abstract: An endoscope obtains a plurality of spectral images from the image pickup of an object to be observed illuminated on the basis of illumination light. A special processing section calculates oxygen saturation of the object to be observed on the basis of the plurality of spectral images, first correction parameters that are used to correct differences in the spectral characteristics of the respective semiconductor light sources, and white balance correction data.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Applicant: FUJIFILM CorporationInventors: Takaaki SAITO, Norimasa SHIGETA
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Patent number: 11386558Abstract: An oxygen saturation calculating unit calculates, based on an observation image, an oxygen saturation included in the observation target. A reliability calculating unit calculates, based on the observation image, reliability regarding the biological information. A reference value processing unit sets, for a measurement value indicative of the biological information of a measurement target in the observation target, a reference value serving as a reference for the biological information by using the reliability. A difference image generating unit calculates a difference value between the measurement value and the reference value and generates, based on the difference value, a difference image.Type: GrantFiled: September 2, 2020Date of Patent: July 12, 2022Assignee: FUJIFILM CorporationInventors: Norimasa Shigeta, Takaaki Saito
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Patent number: 11375928Abstract: An endoscope system includes: an image acquiring unit that acquires a first frame image obtained by photographing a photographic subject and a second frame image obtained by photographing the photographic subject at a timing different from that of the first frame image; an oxygen saturation calculating unit that calculates an oxygen saturation by using the first frame image and the second frame image; a reliability calculating unit that calculates reliability of the oxygen saturation, calculated by the oxygen calculating unit, by using a signal ratio that is a ratio between a pixel value in a first specific wavelength range corresponding to a specific wavelength range of the first frame image and a pixel value in a second specific wavelength range corresponding to the specific wavelength range of the second frame image; and an information amount adjusting unit that adjusts an information amount of the oxygen saturation by using the reliability.Type: GrantFiled: August 6, 2020Date of Patent: July 5, 2022Assignee: FUJIFILM CorporationInventor: Takaaki Saito
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Patent number: 11369294Abstract: A measurement value calculation section calculates the actual measurement value of the hemoglobin concentration of an object to be observed and the actual measurement value of an oxygen saturation thereof on the basis of a plurality of first spectral images. A relative value calculation section calculates the relative value of the hemoglobin concentration and the relative value of the oxygen saturation on the basis of the actual measurement value and the reference value of the hemoglobin concentration and the actual measurement value and the reference value of the oxygen saturation. An image generation section generates a relative value image obtained from the imaging of the relative value of the hemoglobin concentration and/or the relative value of the oxygen saturation, and displays the relative value image on a display unit.Type: GrantFiled: May 1, 2020Date of Patent: June 28, 2022Assignee: FUJIFILM CorporationInventor: Takaaki Saito
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Patent number: 11330962Abstract: An endoscope system has an oxygen saturation calculation unit that calculates the oxygen saturation of an observation object, and includes an image acquisition unit that acquires a preliminarily captured image that is an image of the observation object, a correction unit that corrects an LUT that the oxygen saturation calculation unit uses for the calculation of the oxygen saturation, using the preliminarily captured image, a determination unit that determines a success or failure of the correction, and a warning unit that performs warning in a case where a determination result obtained by the determination unit is a failure.Type: GrantFiled: April 25, 2018Date of Patent: May 17, 2022Assignee: FUJIFILM CorporationInventor: Takaaki Saito
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Publication number: 20220076400Abstract: An actual measurement value calculation unit calculates a first actual measurement value of oxygen saturation of a tissue to be observed. A reference value calculation unit calculates a first reference value of the oxygen saturation of the tissue to be observed. A relative value calculation unit calculates a relative value of the first actual measurement value with reference to the first reference value. An image generation unit generates an image of the relative value of the first actual measurement value on the basis of an evaluation color table to generate an evaluation oxygen-saturation image. A display unit displays the evaluation oxygen-saturation image.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Applicant: FUJIFILM CorporationInventor: Takaaki Saito
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Patent number: 11144003Abstract: An image forming apparatus includes an image forming unit; a reverse conveying roller; a discharge unit including a reverse conveying path, an openable and closable member, an open/close sensor, a discharge tray, a sheet conveyance unit, and a failure detector; and a controller. If the controller determines that the sheet conveyance unit is in failure based on a detection result of the failure detector and determines that the openable and closable member is closed based on a detection result of the open/close sensor, the controller prohibits discharge of the sheet to the discharge tray and permits conveyance of the sheet to the reverse conveying path, and if the controller determines that the sheet conveyance unit is in failure and determines that the openable and closable member is open, the controller prohibits the conveyance of the sheet to the reverse conveying path.Type: GrantFiled: August 8, 2019Date of Patent: October 12, 2021Assignee: Canon Kabushiki KaishaInventor: Takaaki Saito
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Publication number: 20210267510Abstract: In an endoscope system, an oxygen-saturation-level calculating unit calculates an oxygen saturation level of the observation target on the basis of a plurality of spectral images acquired by an image acquiring unit. An image creating unit creates an oxygen-saturation-level image that is an image representing the oxygen saturation level. A numerical-value display-position determining unit determines a numerical-value display position for displaying a numerical value of the oxygen saturation level on the oxygen-saturation-level image, on the basis of the spectral images or the oxygen saturation level, or the spectral images and the oxygen saturation level. A display control unit displays the numerical value of the oxygen saturation level on the oxygen-saturation-level image on the basis of the numerical-value display position.Type: ApplicationFiled: May 18, 2021Publication date: September 2, 2021Applicant: FUJIFILM CorporationInventor: Takaaki Saito
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Patent number: 11006026Abstract: Provided is an image capturing apparatus that not only prevents excitation light from leaking into RGB but also corrects a difference of focal points between visible light and IR and corrects levels of visible light and IR without having a complicated structure. An image capturing apparatus 10 includes a light irradiation unit 12 that irradiates an object including a fluorescent material with excitation light and illuminating light, a four-color separation unit 16 that separates light incident upon a lens 14 into R, G, B, and IR, an image sensor 18 that performs photoelectric conversion on each separated light, a picture signal output unit 20 that generates a picture signal from an electrical signal obtained by the photoelectric conversion, a picture display 22 that displays a picture based on the picture signal, a bandpass filter 24 that does not transmit light near a wavelength band of the excitation light, and a correction filter 26.Type: GrantFiled: July 11, 2018Date of Patent: May 11, 2021Assignee: IKEGAMI TSUSHINKI CO., LTD.Inventor: Takaaki Saito
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Patent number: 10939856Abstract: Provided are a processor device, an endoscope system, and an image processing method capable of discovering not only a lesion in which scattering particles according to a specific scattering model are present but also various lesions. A processor device 16 includes an image acquisition unit 54 that acquires images of three wavelength ranges of a blue wavelength range, a green wavelength range, and a red wavelength range; a scattering characteristic amount calculation unit 71 that calculates a scattering characteristic amount representing a scattering characteristic of an observation object, using the images of the three wavelength ranges; and an image generation unit 74 that generates a scattering characteristic amount image representing a distribution of the scattering characteristic amount.Type: GrantFiled: May 3, 2018Date of Patent: March 9, 2021Assignee: FUJIFILM CorporationInventor: Takaaki Saito
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Patent number: 10891737Abstract: There are provided a medical image processing device, an endoscope system, a diagnosis support device, and a medical service support device that can provide appropriate diagnosis support information from a region of interest by appropriately extracting the region of interest. An image acquisition unit acquires a medical image obtained from the image pickup of an object to be observed. A region-of-interest extraction section extracts a first region of interest as a region of interest from the medical image. A region-of-interest change section performs correction processing for correcting the first region of interest to a second region of interest. A user interface receives an instruction given to the region-of-interest change section. The correction processing includes the enlargement, the reduction, or the position change of the first region of interest.Type: GrantFiled: December 16, 2019Date of Patent: January 12, 2021Assignee: FUJIFILM CorporationInventor: Takaaki Saito