Patents by Inventor Ryuichi Yamazaki
Ryuichi Yamazaki 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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Publication number: 20240000303Abstract: An endoscope device includes a processor configured to calculate light source control information based on first information regarding a scope and second information regarding a light source device, and to control a light source of the light source device based on the light source control information. The second information includes a ratio of an amount of light emitted from a distal end of a reference scope to an amount of light emitted from the light source device to the reference scope.Type: ApplicationFiled: September 13, 2023Publication date: January 4, 2024Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Takeshi ITO, Susumu HASHIMOTO, Ryuichi YAMAZAKI, Ryu OTA, Makoto TSUNAKAWA, Jumpei ISHIKAWA, Nobuyoshi ASAOKA, Masahiro NISHIO, Kazuto FUJIWARA, Hideyuki NAGAOKA, Masato TODA
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Patent number: 11330971Abstract: An endoscope system, wherein a processor reads out light distribution information which is information indicating a relationship between an arrangement of an image pickup device and a distribution of illumination light emission positions and which includes information about a light distribution angle of illumination light and the number of illuminating portions, a part of parameters of a light adjustment parameter and a parameter flag from an endoscope, and controls amounts of light of the illuminating portions by selecting the part of the parameters with priority over the light adjustment parameters at time of selecting the light adjustment parameter based on the light distribution information, if it is specified by the parameter flag that the part of the parameters are used for the light adjustment.Type: GrantFiled: December 16, 2019Date of Patent: May 17, 2022Assignee: OLYMPUS CORPORATIONInventor: Ryuichi Yamazaki
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Publication number: 20210208383Abstract: A light source control device for an endoscope includes one or more processors that perform processes. The processes include: (1) generating a light quantity control signal indicating excess or insufficiency of an illumination light quantity based on an imaging signal from an imaging element (2) determining whether the endoscope is left based on the light quantity control signal and whether the illumination light quantity is equal to or greater than a predetermined quantity; and (3) setting a control range that limits the illumination light quantity based on the light quantity control signal, wherein the setting the control range includes setting a second range having an upper limit lower than an upper limit of a first range as the control range, when the processors determine that the endoscope is left in a state in which the first range is set as the control range.Type: ApplicationFiled: March 5, 2021Publication date: July 8, 2021Applicant: OLYMPUS CORPORATIONInventor: Ryuichi YAMAZAKI
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Publication number: 20200113423Abstract: There is provided an endoscope system, wherein a processor reads out light distribution information which is information indicating a relationship between an arrangement of an image pickup device and a distribution of illumination light emission positions and which includes information about a light distribution angle of illumination light and the number of illuminating portions, a part of parameters of a light adjustment parameter and a parameter flag from an endoscope, and controls amounts of light of the illuminating portions by selecting the part of the parameters with priority over the light adjustment parameters at time of selecting the light adjustment parameter based on the light distribution information, if it is specified by the parameter flag that the part of the parameters are used for the light adjustment.Type: ApplicationFiled: December 16, 2019Publication date: April 16, 2020Applicant: OLYMPUS CORPORATIONInventor: Ryuichi YAMAZAKI
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Patent number: 10575721Abstract: An image pickup system includes a light source unit configured to perform illumination; an image pickup unit configured to output an image pickup signal; a pre-processing unit configured to generate a first image signal, a second image signal, and a third image signal, each corresponding to one field, and sequentially output the image signals; and a synchronization processing unit configured to selectively assign the image signals sequentially outputted to a first color channel, a second color channel, and a third color channel. The synchronization processing unit switches first assignment processing for assigning the first image signal to the first color channel and further assigning the second image signal to the second and third color channels and second assignment processing for assigning the first image signal to the first color channel and further assigning the third image signal to the second and third color channels.Type: GrantFiled: June 21, 2018Date of Patent: March 3, 2020Assignee: OLYMPUS CORPORATIONInventor: Ryuichi Yamazaki
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Publication number: 20200037865Abstract: An image processing device is configured to obtain first-type image data and second-type image data generated as a result of taking images of same photographic subject from different directions, and generate a parallax image based on the first-type image data and the second-type image data. The image processing device includes a processor comprising hardware. The processor is configured to: set an image selection mode in which an image is selectable based on an image displayed in a display; superimpose a frame data onto image data to be displayed in the display when the image selection mode is set, the frame data representing a boundary area whose size is set based on an optical system that forms an image of the photographic subject; and obtain the first-type image data and the second-type image data corresponding to selected image when the image selection mode is set.Type: ApplicationFiled: October 9, 2019Publication date: February 6, 2020Applicant: OLYMPUS CORPORATIONInventors: Kyosuke MIZUNO, Ryuichi YAMAZAKI, Kazuhiko HINO, Takeshi SUGA
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Patent number: 10321103Abstract: An image pickup system includes: a light source portion configured to sequentially emit first illumination light and second illumination light; an image pickup portion configured to perform image pickup of return light from an object; an image generating portion configured to generate a first image corresponding to return light of the first illumination light and a second image corresponding to return light of the second illumination light, each of which corresponds to one field, and sequentially output the first image and the second image; a synchronization processing portion configured to simultaneously output images corresponding to a plurality of fields, selectively assigning the images to three channels of a display apparatus; and a control portion configured to set image assignment to and image update frequency for the three channels based on an evaluation value acquired from the images generated by the image generating portion.Type: GrantFiled: March 6, 2017Date of Patent: June 11, 2019Assignee: OLYMPUS CORPORATIONInventors: Kyosuke Mizuno, Ryuichi Yamazaki
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Publication number: 20190082936Abstract: An image processing apparatus includes: an image signal processing circuit formed by a rewritable logic circuit and configured to perform signal processing on an image signal according to a type of the endoscope; a display image processing circuit formed by a rewritable logic circuit and configured to generate a display image signal corresponding to a display mode of a display apparatus; and a control circuit configured to control the display image processing circuit to perform configuration, control the image signal processing circuit to perform configuration according to a type of the endoscope, when replacement of the endoscope with another endoscope is detected after the configurations are performed, control the image signal processing circuit to perform reconfiguration according to a type of said another endoscope, the display image processing circuit does not perform reconfiguration when the replacement is detected, and control the display apparatus to display a display image.Type: ApplicationFiled: November 19, 2018Publication date: March 21, 2019Applicant: OLYMPUS CORPORATIONInventor: Ryuichi YAMAZAKI
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Publication number: 20180296078Abstract: An image pickup system includes a light source unit configured to perform illumination; an image pickup unit configured to output an image pickup signal; a pre-processing unit configured to generate a first image signal, a second image signal, and a third image signal, each corresponding to one field, and sequentially output the image signals; and a synchronization processing unit configured to selectively assign the image signals sequentially outputted to a first color channel, a second color channel, and a third color channel. The synchronization processing unit switches first assignment processing for assigning the first image signal to the first color channel and further assigning the second image signal to the second and third color channels and second assignment processing for assigning the first image signal to the first color channel and further assigning the third image signal to the second and third color channels.Type: ApplicationFiled: June 21, 2018Publication date: October 18, 2018Applicant: OLYMPUS CORPORATIONInventor: Ryuichi Yamazaki
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Patent number: 9996927Abstract: An endoscope apparatus includes: a detector configured to detect a movement of an organ that moves a subject and output a detection signal; an image pickup portion configured to pick up an image of the subject and output a plurality of picked-up images; and a freeze processing portion configured to calculate a movement evaluation value evaluated according to the detection signal of the detector for at least some of the plurality of picked-up images, and determine a still image from the plurality of picked-up images based on the evaluated movement evaluation value.Type: GrantFiled: May 4, 2017Date of Patent: June 12, 2018Assignee: OLYMPUS CORPORATIONInventors: Tomoki Iwasaki, Ryuichi Yamazaki
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Publication number: 20170236280Abstract: An endoscope apparatus includes: a detector configured to detect a movement of an organ that moves a subject and output a detection signal; an image pickup portion configured to pick up an image of the subject and output a plurality of picked-up images; and a freeze processing portion configured to calculate a movement evaluation value evaluated according to the detection signal of the detector for at least some of the plurality of picked-up images, and determine a still image from the plurality of picked-up images based on the evaluated movement evaluation value.Type: ApplicationFiled: May 4, 2017Publication date: August 17, 2017Applicant: OLYMPUS CORPORATIONInventors: Tomoki IWASAKI, Ryuichi YAMAZAKI
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Publication number: 20170180682Abstract: An image pickup system includes: a light source portion configured to sequentially emit first illumination light and second illumination light; an image pickup portion configured to perform image pickup of return light from an object; an image generating portion configured to generate a first image corresponding to return light of the first illumination light and a second image corresponding to return light of the second illumination light, each of which corresponds to one field, and sequentially output the first image and the second image; a synchronization processing portion configured to simultaneously output images corresponding to a plurality of fields, selectively assigning the images to three channels of a display apparatus; and a control portion configured to set image assignment to and image update frequency for the three channels based on an evaluation value acquired from the images generated by the image generating portion.Type: ApplicationFiled: March 6, 2017Publication date: June 22, 2017Applicant: OLYMPUS CORPORATIONInventors: Kyosuke MIZUNO, Ryuichi YAMAZAKI
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Patent number: 9549483Abstract: An engine control unit including a substantially rectangular printed circuit board in which a microcontroller is mounted. The printed circuit board includes a connector portion in which connection terminals are provided to be arranged in one side edge portion along the longitudinal direction thereof. The connection terminals of the connector portion include connection terminals for input on one side in the longitudinal direction and connection terminals for output on the other side with respect to a setting position. A microcontroller is disposed at substantially the center portion of the printed circuit board in the longitudinal direction thereof. An electronic component as an input interface circuit is disposed on the one side in the longitudinal direction, and an electronic component as an output interface circuit is disposed on the other side.Type: GrantFiled: November 26, 2014Date of Patent: January 17, 2017Assignee: MIKUNI CORPORATIONInventors: Ichiro Tsuji, Ryuichi Yamazaki, Yoshitaka Koga
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Publication number: 20150116955Abstract: An engine control unit including a substantially rectangular printed circuit board in which a microcontroller is mounted. The printed circuit board includes a connector portion in which connection terminals are provided to be arranged in one side edge portion along the longitudinal direction thereof. The connection terminals of the connector portion include connection terminals for input on one side in the longitudinal direction and connection terminals for output on the other side with respect to a setting position. A microcontroller is disposed at substantially the center portion of the printed circuit board in the longitudinal direction thereof. An electronic component as an input interface circuit is disposed on the one side in the longitudinal direction, and an electronic component as an output interface circuit is disposed on the other side.Type: ApplicationFiled: November 26, 2014Publication date: April 30, 2015Applicant: MIKUNI CORPORATIONInventors: Ichiro TSUJI, Ryuichi YAMAZAKI, Yoshitaka KOGA
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Patent number: 6011478Abstract: A smoke sensor includes a light receiving unit for temporally alternately receiving scattered light of two different wavelengths .lambda..sub.1 and .lambda..sub.2 ; a calculating unit for performing a calculation required for smoke detection, on a scattered light output y of the wavelength .lambda..sub.1 and a scattered light output g of the wavelength .lambda..sub.2 from the light receiving unit; and a smoke detection processing unit for performing a smoke detection process on the basis of a calculation result output from the calculating unit. The calculating unit estimates an output value of one of the scattered light output y of the wavelength .lambda..sub.1 and the scattered light output g of the wavelength .lambda..sub.2 at a sample timing of the other output, and obtains a ratio of the estimated output value of the one scattered light at the sample timing of the other output to an output value of the other scattered light, as a two-wavelength ratio.Type: GrantFiled: April 29, 1998Date of Patent: January 4, 2000Assignee: Nittan Company, LimitedInventors: Takashi Suzuki, Ryuichi Yamazaki, Yuki Yoshikawa
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Patent number: D433644Type: GrantFiled: September 30, 1999Date of Patent: November 14, 2000Assignee: Nittan Company, LimitedInventors: Kazuyoshi Sakurai, Seiji Tsubouchi, Ryuichi Yamazaki, Yasuhiro Sugano