Patents by Inventor Tatsuo Yamaguchi
Tatsuo Yamaguchi 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: 20200093364Abstract: An ophthalmic imaging apparatus of an exemplary aspect includes a data acquisition device, image constructing circuitry, and composing circuitry. The data acquisition device is configured to sequentially apply optical coherence tomography (OCT) scans to a plurality of regions different from each other of a fundus of a subject's eye in order and under a condition according to a fundus shape, to acquire a plurality of pieces of data corresponding to the plurality of regions. The image constructing circuitry is configured to construct an image from each of the plurality of pieces of data. The composing circuitry is configured to construct a composite image of a plurality of images constructed from the plurality of pieces of data by the image constructing circuitry.Type: ApplicationFiled: August 19, 2019Publication date: March 26, 2020Applicant: TOPCON CORPORATIONInventors: Ryoichi HIROSE, Toshihiro MINO, Tatsuo YAMAGUCHI
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Publication number: 20200015675Abstract: An ophthalmologic apparatus includes an SLO system, a projection system, a first image former, a second image former, a displacement processor, and a controller. The SLO system is configured to scan a target eye with first light deflected by an first optical scanner. The projection system is configured to project second light deflected by an second optical scanner onto the target eye. The first image former is configured to form a first image of the target eye based on a scan result of a first scan region using the first optical scanner. The second image former is configured to form a second image of the target eye based on a scan result of a second scan region using the first optical scanner, the second scan region being narrower than the first scan region. The displacement processor is configured to calculate a displacement between a partial image in the first image and the second image, the partial image corresponding to the second image.Type: ApplicationFiled: September 26, 2019Publication date: January 16, 2020Applicant: TOPCON CORPORATIONInventors: Masahiro SHIBUTANI, Tatsuo YAMAGUCHI, Toshihiro MINO, Ryoichi HIROSE
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Patent number: 10419230Abstract: According to one embodiment, an electronic apparatus includes a transceiver and a hardware processor. The transceiver receives first handwriting shared in a first group according to a first scheme. The first group includes a first electronic apparatus and a second electronic apparatus. The first handwriting includes handwriting made on the first electronic apparatus and handwriting made on the second electronic apparatus. The hardware processor reads first data to be shared in the first group, makes a third group including the electronic apparatus and the first electronic apparatus, and shares the first data in the third group according to a third scheme by transmitting the first data to the first electronic apparatus from the transceiver.Type: GrantFiled: February 10, 2016Date of Patent: September 17, 2019Assignee: TOSHIBA CLIENT SOLUTIONS CO., LTD.Inventors: Tatsuo Yamaguchi, Toshiyuki Yamagami
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Publication number: 20190099076Abstract: An eye-fatigue examining device and an eye-fatigue examining method capable of examining eye fatigue of a subject's eye regardless of an age of a patient are provided. The eye-fatigue examining device includes: a light quantity difference adjusting unit that increases a light quantity difference between lights respectively incident on right and left subject's eyes; a gaze direction detecting unit that detects gaze directions of the respective subject's eyes while the light quantity difference adjusting unit increases the light quantity difference; and a light quantity difference deciding unit that decides a specific light quantity difference at which a change in the gaze directions due to the increase in the light quantity difference occurs, based on the detection result of the gaze direction detecting unit.Type: ApplicationFiled: February 20, 2017Publication date: April 4, 2019Applicants: OSAKA UNIVERSITY, TOPCON CORPORATIONInventors: Takashi FUJIKADO, Masakazu HIROTA, Kohji NISHIDA, Makoto SAIKA, Tatsuo YAMAGUCHI, Suguru MIYAGAWA
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Patent number: 10182721Abstract: According to one embodiment, a fundus imaging apparatus includes a light source, an optical scanner, an optical fiber, a light guide system, a photodetector unit, and an image forming unit. The optical scanner scans the fundus of a subject's eye with light from the light source. The optical fiber includes a plurality of optical waveguides. The light guide system guides the light returning from the fundus to the entrance end of the optical fiber. The photodetector unit detects light output from each of at least three regions at the exit end of the optical fiber. The image forming unit forms a first image based on a detection result of light output from a first region of the at least three regions, and a second image based on detection results of light output from two or more regions of the at least three regions other than the first region.Type: GrantFiled: July 6, 2016Date of Patent: January 22, 2019Assignee: TOPCON CORPORATIONInventors: Akemi Miwa, Tatsuo Yamaguchi, Makoto Saika
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Publication number: 20190000316Abstract: An ophthalmic device that comprises a first objective lens system, an optical system, an anterior eye segment photographing system, and a first optical-path combining member. The first objective lens system includes two or more lenses. The optical system includes a projection system configured to project light onto a target eye via the first objective lens system. The anterior eye segment photographing system is used for photographing an anterior eye segment of the target eye.Type: ApplicationFiled: July 29, 2016Publication date: January 3, 2019Applicant: TOPCON CORPORATIONInventors: Ryoichi HIROSE, Ikuo ISHINABE, Tatsuo YAMAGUCHI
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Publication number: 20180079887Abstract: A thermoplastic elastomer composition having at least one elastomer component selected from the group consisting of elastomeric polymers (A) each of which has a side chain (a) containing a hydrogen-bond cross-linkable moiety having a carbonyl-containing group and/or a nitrogen-containing heterocycle and has a glass-transition point of 25° C. or below, and elastomeric polymers (B) each of which contains a hydrogen-bond cross-linkable moiety and a covalent-bond cross-linking moiety in a side chain and has a glass-transition point of 25° C. or below; and a clay, wherein an amount of the clay contained is 20 parts by mass or less relative to 100 parts by mass of the elastomer component.Type: ApplicationFiled: March 4, 2016Publication date: March 22, 2018Applicant: JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Keisuke CHINO, Hiroaki SUZUKI, Tatsuo YAMAGUCHI, Ryuichi UENO, Tsuyoshi YAMAGUCHI
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Patent number: 9919283Abstract: An object of the present invention is to provide, for the production of isobutene, a high-yielding, highly-selective, and long-term stable production process of isobutene from TBA. With respect to the production of TBA, an object of the present invention is to provide a TBA production process in which, through long-term stable maintenance of a high reaction activity, long-term continuous operation is enabled and the productivity is improved. The present invention discloses a process for producing isobutene that employs a dehydration temperature of from 200 to 450° C. in use of an alumina catalyst that contains a Na content of 0.6% by weight or less in terms of NaO2 and a Na content of 0.4% by weight in terms of NaO2, and has a specific surface area of from 200 to 600 m2/g.Type: GrantFiled: August 26, 2015Date of Patent: March 20, 2018Assignee: ASAHI KASEI CHEMICALS CORPORATIONInventors: Tatsuo Yamaguchi, Hiroyuki Noda, Toru Watanabe, Shunya Kirino
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Patent number: 9805220Abstract: According to one embodiment, an electronic apparatus includes a processor configured to operate based on a clock, the processor includes a register in which a value added in accordance with the clock is stored, and a memory configured to store first period information indicating a first period in which a file is accessible. The processor is configured to acquire first time and date information indicating a first time and date from an external device, calculate a second time and date indicating a present time and date based on the first time and date information and the value, and restrict access to a resource of the electronic apparatus, when the second time and date does not correspond to the first period.Type: GrantFiled: May 21, 2015Date of Patent: October 31, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Tatsuo Yamaguchi, Yuki Kanbe
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Publication number: 20170063942Abstract: According to one embodiment, an electronic apparatus includes a transceiver and a hardware processor. The transceiver receives first handwriting shared in a first group according to a first scheme. The first group includes a first electronic apparatus and a second electronic apparatus. The first handwriting includes handwriting made on the first electronic apparatus and handwriting made on the second electronic apparatus. The hardware processor reads first data to be shared in the first group, makes a third group including the electronic apparatus and the first electronic apparatus, and shares the first data in the third group according to a third scheme by transmitting the first data to the first electronic apparatus from the transceiver.Type: ApplicationFiled: February 10, 2016Publication date: March 2, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tatsuo Yamaguchi, Toshiyuki Yamagami
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Publication number: 20170055831Abstract: According to one embodiment, a fundus imaging apparatus includes a light source, an optical scanner, an optical fiber, a light guide system, a photodetector unit, and an image forming unit. The optical scanner scans the fundus of a subject's eye with light from the light source. The optical fiber includes a plurality of optical waveguides. The light guide system guides the light returning from the fundus to the entrance end of the optical fiber. The photodetector unit detects light output from each of at least three regions at the exit end of the optical fiber. The image forming unit forms a first image based on a detection result of light output from a first region of the at least three regions, and a second image based on detection results of light output from two or more regions of the at least three regions other than the first region.Type: ApplicationFiled: July 6, 2016Publication date: March 2, 2017Applicant: TOPCON CORPORATIONInventors: Akemi MIWA, Tatsuo YAMAGUCHI, Makoto SAIKA
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Publication number: 20170060407Abstract: According to one embodiment, an electronic apparatus includes a display and a hardware processor. The hardware processor is configured to receive a first area of the display according to an ser operation to select at least one object at a first timing, identify a first selection candidate comprising a first object within the first area at the first timing, identify a second selection candidate comprising a second object within the first area at a second timing, wherein the second timing is a first period before the first timing, display the first selection candidate and the second selection candidate on the display, select the first object if the first selection candidate is selected, and select the second object if the second selection candidate is selected.Type: ApplicationFiled: February 2, 2016Publication date: March 2, 2017Inventors: Yuki Kanbe, Tatsuo Yamaguchi, Toshiyuki Yamagami, Yukihiro Kurita, Shogo Ikeda
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Publication number: 20160334984Abstract: According to one embodiment, an electronic apparatus includes a display configured to detect a stroke inputted on a screen of the display, and a hardware processor configured to display, on the screen, an icon that, when selected, initiates creation of an apparatus group comprising at least the electronic apparatus. The electronic apparatus displays a document on the screen and modifies the document to include additional strokes in response to receiving the additional strokes. Some of the additional strokes are inputted on the screen and some other of the additional strokes are inputted on another electronic apparatus belonging to the same apparatus group.Type: ApplicationFiled: March 1, 2016Publication date: November 17, 2016Inventors: Shogo Ikeda, Tatsuo Yamaguchi, Toshiyuki Yamagami, Yukihiro Kurita, Yuki Kanbe
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Publication number: 20160321238Abstract: An electronic device includes a microphone generating audio data, a screen detecting a stroke input made on a surface thereof and displaying the stroke, a memory that stores different handwritings, and a processor. The processor is configured to search the memory for first and second handwriting candidates in response to a handwritten stroke made on the screen, determine whether a first or second character string of the first or second handwriting candidate matches a third character string of a word in the audio data, and display the first handwriting candidate at a first position and the second handwriting candidate at a second position on the screen. The second position is arranged closer to an input position of the handwritten stroke on the surface than the first position, if the first character string does not match the third character string and the second character string matches the third character string.Type: ApplicationFiled: October 2, 2015Publication date: November 3, 2016Inventors: Yukihiro KURITA, Toshiyuki YAMAGAMI, Tatsuo YAMAGUCHI, Yuki KANBE, Shogo IKEDA
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Publication number: 20160321025Abstract: According to one embodiment, an electronic apparatus includes a hardware processor configured to display a first icon indicative of a first group and a second icon indicative of a second group, display handwriting made on a first electronic apparatus and a second electronic apparatus of the first group if the first icon is selected, display handwriting made on a third electronic apparatus and a fourth electronic apparatus of the second group if the second icon is selected, receive a selection of a first file, transmit the first file to the first and second electronic apparatus if the first group is selected through the first icon, and transmit the first file to the third and fourth electronic apparatus if the second group is selected through the second icon.Type: ApplicationFiled: January 28, 2016Publication date: November 3, 2016Inventors: Shogo Ikeda, Tatsuo Yamaguchi, Toshiyuki Yamagami, Yukihiro Kurita, Yuki Kanbe
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Patent number: 9480973Abstract: A silica-based material comprising: silicon; aluminum; at least one fourth period element selected from the group consisting of iron, cobalt, nickel and zinc; and at least one basic element selected from the group consisting of alkali metal elements, alkali earth metal elements and rare earth elements, wherein the silica-based material comprises 42 to 90 mol % of the silicon, 3 to 38 mol % of the aluminum, 0.5 to 20 mol % of the fourth period element and 2 to 38 mol % of the basic element, based on a total mole of the silicon, the aluminum, the fourth period element and the basic element.Type: GrantFiled: July 20, 2015Date of Patent: November 1, 2016Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Ken Suzuki, Tatsuo Yamaguchi, Chihiro Iitsuka
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Patent number: 9364817Abstract: An object of the present invention is to provide an oxide catalyst that prevents the reduction degradation of the catalyst even during industrial operation for a long time and less reduces unsaturated aldehyde yields, diolefin yields, or unsaturated nitrile yields, and a method for producing the same, and methods for producing unsaturated aldehyde, diolefin, and unsaturated nitrile using the oxide catalyst. The present invention provides an oxide catalyst for use in the production of unsaturated aldehyde, diolefin, or unsaturated nitrile from olefin and/or alcohol, the oxide catalyst satisfying the following (1) to (3): (1) the oxide catalyst comprises molybdenum, bismuth, iron, cobalt, and an element A having an ion radius larger than 0.96 ? (except for potassium, cesium, and rubidium); (2) an atomic ratio a of the bismuth to 12 atoms of the molybdenum is 1?a?5, an atomic ratio b of the iron to 12 atoms of the molybdenum is 1.Type: GrantFiled: September 27, 2013Date of Patent: June 14, 2016Assignee: ASAHI KASEI CHEMICALS CORPORATIONInventors: Jun Yoshida, Tatsuo Yamaguchi
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Publication number: 20160154769Abstract: According to one embodiment, an electronic device receives first stroke data from a first terminal logging in to a service for sharing handwritten information, and second stroke data from a second terminal logging in to the service. The electronic device displays the first stroke data and the second stroke data on a screen. The electronic device changes a display style of the first stroke data from a first style to a second style, when a state of the first terminal is changed from a login state to a logout state, or from the login state to an intermediate state between the login state and the logout state.Type: ApplicationFiled: April 22, 2015Publication date: June 2, 2016Inventors: Shogo Ikeda, Tatsuo Yamaguchi, Yuki Kanbe, Toshiyuki Yamagami
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Patent number: 9346036Abstract: An oxide catalyst for use in an oxidation reaction of an olefin and/or an alcohol, the oxide catalyst comprising: the oxide catalyst contains molybdenum, bismuth, iron, cobalt, and cerium; an atomic ratio a of bismuth to 12 atoms of molybdenum is 2?a?6, an atomic ratio b of iron to 12 atoms of molybdenum is 2.5<b?5, an atomic ratio c of cobalt to 12 atoms of molybdenum is 2?c?8, an atomic ratio d of cerium to 12 atoms of molybdenum is 0.5?d?6, and an atomic ratio of iron/cobalt is 0.4?b/c?2.5; wherein when a spacing d of a complex oxide of cerium and molybdenum showing a peak at 33.50° in a X-ray diffraction is taken as a reference, a change rate of d is 5000 to 9000 ppm.Type: GrantFiled: June 13, 2012Date of Patent: May 24, 2016Assignee: ASAHI KASEI CHEMICALS CORPORATIONInventors: Jun Yoshida, Tatsuo Yamaguchi, Kenji Izumiyama
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Publication number: 20160117140Abstract: According to one embodiment, an electronic apparatus includes circuitry. The circuitry is configured to display on a display, a first region of an electronic document comprising a first stroke input by handwriting on the electronic apparatus and a second stroke input by handwriting on another apparatus. The first region is being displayed on the display and is at least a part of the electronic document. A second region is visually distinguishable from other region of the electronic document when a first operation is performed. The second region is being displayed in the another apparatus and is at least a part of the electronic document.Type: ApplicationFiled: March 31, 2015Publication date: April 28, 2016Inventors: Shogo Ikeda, Tatsuo Yamaguchi, Yuki Kanbe, Toshiyuki Yamagami