Patents by Inventor Toshio Katsuyama
Toshio Katsuyama 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: 20200348467Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: ApplicationFiled: July 15, 2020Publication date: November 5, 2020Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20200257108Abstract: A two-dimensional optical scanning mirror device, a manufacturing method for the same, a two-dimensional optical scanning device and an image projector. A two-dimensional optical scanning mirror device includes a substrate, a movable mirror portion supported on the substrate in such a manner that two-dimension optical scanning is possible, a hard magnetic thin film provided in the movable mirror portion and a magnetic field generator that includes at least an alternating magnetic field generator for driving the movable mirror portion, where the hard magnetic thin film has a magnetization direction in a direction of a film plane, and the ratio of the magnetic field generated by the magnetic field generator relative to the coercive force of the hard magnetic thin film is 0.2 or lower.Type: ApplicationFiled: April 27, 2020Publication date: August 13, 2020Applicant: National University Corporation University of FukuiInventors: Toshio Katsuyama, Ryoya Ishigami
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Publication number: 20200167866Abstract: In order to protect a trading party from predatory trading strategies employed by some market participants, especially during certain periods when quotes for a particular security are experiencing rapid changes or transitions, embodiments of the present invention facilitate and support various new type of trading orders whose booking and execution behaviors are dynamically varied in response to environmental market conditions and/or predefined rules. For example, the orders may be allowed to trade at more aggressive price levels if the market is relatively stable, and the orders can only trade at less aggressive price levels or be automatically suspended or even cancelled when the market is unstable.Type: ApplicationFiled: November 25, 2019Publication date: May 28, 2020Inventors: John Herbert Schwall, Eric Wayne Stockland, Bradley Toshio Katsuyama, Ronan Gerard Ryan, Eric Quinlan, Claudia Crowley, Boris Ilyevsky, John Ramsay, Lucas Kowalczyk, Benjamin Connault
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Publication number: 20200160445Abstract: In a system for executing transaction requests, a received request for a transaction in an item is delayed prior to matching that request with another request for transaction in that item by a delay based on a communication delay and/or a processing delay. The communication delay represents the time required to receive updated information about the item and the processing delay represents the time required to compute an updated item price using the received updated information.Type: ApplicationFiled: July 8, 2019Publication date: May 21, 2020Inventors: Bradley Toshio Katsuyama, John Schwall, Robert Park, Ronan Ryan, Benjamin Aisen, Daniel Aisen, Donald Bollerman, Francis Chung, Stanley Feldman, Tara McKee, Billie Zhao, James Michael Cape, David Lauer, Allen Zhang, Blair Livingston, Matthew Norbert Trudeau, Zoran Perkov
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Patent number: 10621666Abstract: A number of techniques for improving electronic trading are disclosed. According to some embodiments, an electronic trading system may establish a new Facilitation Cross order type which automatically performs a number of trading steps in a single uninterrupted sequence so as to help a risk trader fulfill a client investor's trading request efficiently and with lower market risk.Type: GrantFiled: September 17, 2014Date of Patent: April 14, 2020Assignee: IEX Group, Inc.Inventors: Bradley Toshio Katsuyama, Donald Bollerman, Matthew Norbert Trudeau, John Herbert Schwall, Ronan Gerard Ryan
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Publication number: 20200033590Abstract: This invention is provided with: a light source; a light scanning mirror; a measurement mechanism for measuring a change in the intensity of light reflected from an eyeball as time elapses through the scanning of at least a surface of the pupil with a light beam by means of the light scanning mirror; a sampling mechanism for sampling the intensity of light reflected from the pupil from the measured change in the intensity of the reflected light as time elapses; and a mechanism for detecting the size and the position of the pupil by synchronizing the sampled intensity of light reflected from the pupil, and the scanning time during which the surface of the eyeball is scanned; and an image generating mechanism for forming an image on the retina of the eyeball by projecting a light beam for generating an image onto the pupil in the detected position while scanning.Type: ApplicationFiled: October 1, 2019Publication date: January 30, 2020Applicant: University of FukuiInventors: Toshio Katsuyama, Shoji Yamada
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Publication number: 20190339451Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: ApplicationFiled: July 18, 2019Publication date: November 7, 2019Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIIInventors: Toshio Katsuyama, Akira Nakao
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Patent number: 10408999Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: GrantFiled: December 6, 2018Date of Patent: September 10, 2019Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20190107675Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: ApplicationFiled: December 6, 2018Publication date: April 11, 2019Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20190101746Abstract: A two-dimensional optical scanning mirror device, a manufacturing method for the same, a two-dimensional optical scanning device and an image projector. A two-dimensional optical scanning mirror device includes a substrate, a movable mirror portion supported on the substrate in such a manner that two-dimension optical scanning is possible, a hard magnetic thin film provided in the movable mirror portion and a magnetic field generator that includes at least an alternating magnetic field generator for driving the movable mirror portion, where the hard magnetic thin film has a magnetization direction in a direction of a film plane, and the ratio of the magnetic field generated by the magnetic field generator relative to the coercive force of the hard magnetic thin film is 0.2 or lower.Type: ApplicationFiled: November 16, 2018Publication date: April 4, 2019Applicant: National University Corporation University of FukuiInventors: Toshio Katsuyama, Ryoya Ishigami
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Publication number: 20190066211Abstract: In order to protect a trading party from predatory trading strategies employed by some market participants, especially during certain periods when quotes for a particular security are experiencing rapid changes or transitions, embodiments of the present invention facilitate and support a new type of trading orders whose booking and execution behaviors are dynamically varied in response to environmental market conditions. Pursuant to predefined rules for the new type of trading orders, the orders may be allowed to trade at more aggressive price levels if the market is relatively stable, and the orders can only trade at less aggressive price levels when the market is unstable.Type: ApplicationFiled: October 25, 2018Publication date: February 28, 2019Inventors: Bradley Toshio Katsuyama, Matthew Norbert Trudeau, Constantine Sokoloff, Benjamin Aaron Small, Robert Park, Daniel Aisen, Adrian Branko Facini, Donald Bollerman, Francis Chung
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Patent number: 10185091Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: GrantFiled: January 10, 2018Date of Patent: January 22, 2019Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Patent number: 10185993Abstract: In order to protect a trading party from predatory trading strategies employed by some market participants, especially during certain periods when quotes for a particular security are experiencing rapid changes or transitions, embodiments of the present invention facilitate and support a new type of trading orders whose booking and execution behaviors are dynamically varied in response to environmental market conditions. Pursuant to predefined rules for the new type of trading orders, the orders may be allowed to trade at more aggressive price levels if the market is relatively stable, and the orders can only trade at less aggressive price levels when the market is unstable.Type: GrantFiled: July 15, 2015Date of Patent: January 22, 2019Assignee: IEX Group, Inc.Inventors: Bradley Toshio Katsuyama, Matthew Norbert Trudeau, Constantine Sokoloff, Benjamin Aaron Small, Robert Park, Daniel Aisen, Adrian Branko Facini, Donald Bollerman, Francis Chung
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Publication number: 20180156977Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: ApplicationFiled: January 10, 2018Publication date: June 7, 2018Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Patent number: 9952389Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: GrantFiled: March 5, 2015Date of Patent: April 24, 2018Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20170146744Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.Type: ApplicationFiled: March 5, 2015Publication date: May 25, 2017Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20160055581Abstract: In order to protect a trading party from predatory trading strategies employed by some market participants, especially during certain periods when quotes for a particular security are experiencing rapid changes or transitions, embodiments of the present invention facilitate and support a new type of trading orders whose booking and execution behaviors are dynamically varied in response to environmental market conditions. Pursuant to predefined rules for the new type of trading orders, the orders may be allowed to trade at more aggressive price levels if the market is relatively stable, and the orders can only trade at less aggressive price levels when the market is unstable.Type: ApplicationFiled: July 15, 2015Publication date: February 25, 2016Inventors: Bradley Toshio Katsuyama, Matthew Norbert Trudeau, Constantine Sokoloff, Benjamin Aaron Small, Robert Park, Daniel Aisen, Adrian Branko Facini, Donald Bollerman, Francis Chung
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Patent number: 7450789Abstract: The present invention provides an ultra-mini and low cost refractive index measuring device applicable to biochemical measurements of an extremely minute amount of a sample. The refractive index measuring device uses a photonic crystal without any requirement of an external spectrograph or the like. The micro sensor device according to the present invention includes a light source emitting light with a single wavelength, a microcavity in which a resonant wavelength varies depending on a position thereof. A refractive index of a material to be measured is measured based on positional information by detecting a transmitting position of light changing in response to a change of a refractive index of the measured material. The micro sensor device according to the present invention enables measurement of a refractive index of a material to be measured without using a large-scale spectrograph.Type: GrantFiled: July 13, 2006Date of Patent: November 11, 2008Assignees: Hitachi, Ltd.Inventors: Kazuhiko Hosomi, Hiroji Yamada, Toshio Katsuyama, Yasuhiko Arakawa, Toshihiko Fukamachi
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Publication number: 20070014505Abstract: The present invention provides an ultra-mini and low cost refractive index measuring device applicable to biochemical measurements of an extremely minute amount of a sample. The refractive index measuring device uses a photonic crystal without any requirement of an external spectrograph or the like. The micro sensor device according to the present invention includes a light source emitting light with a single wavelength, a microcavity in which a resonant wavelength varies depending on a position thereof. A refractive index of a material to be measured is measured based on positional information by detecting a transmitting position of light changing in response to a change of a refractive index of the measured material. The micro sensor device according to the present invention enables measurement of a refractive index of a material to be measured without using a large-scale spectrograph.Type: ApplicationFiled: July 13, 2006Publication date: January 18, 2007Inventors: Kazuhiko Hosomi, Hiroji Yamada, Toshio Katsuyama, Yasuhiko Arakawa, Toshihiko Fukamachi
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Patent number: 7145146Abstract: A micro-spectroscopic measuring device having a structure in which a spectroscopic element made of an array of photonic crystals with defects, flow paths for introducing a sample, and light detecting elements with sensitivity to a band from near infrared to infrared are stacked.Type: GrantFiled: March 1, 2004Date of Patent: December 5, 2006Assignee: Hitachi, Ltd.Inventors: Taro Ogawa, Toshiki Sugawara, Kazuhiko Hosomi, Masataka Shirai, Toshio Katsuyama, Kaoru Umemura, Masaru Izawa, Kazuhiko Sagara, Hiroshi Kakibayashi