Patents Assigned to Utsunomiya University
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Patent number: 11404202Abstract: A planar transformer includes: a primary side planar air core coil; a secondary side planar air core coil; a primary side planar core; and a secondary side planar core. The secondary side planar air core coil is arranged so as to be spaced from the primary side planar air core coil in the winding center axis direction of the primary side planar air core coil, the secondary side planar air core coil having a non-facing portion configured not to face the primary side planar air core coil in the winding center axis direction. The primary side planar core and the secondary side planar core are stacked on outer sides of the primary side planar air core coil and the secondary side planar air core coil in the directions of the winding center axes, respectively.Type: GrantFiled: July 6, 2018Date of Patent: August 2, 2022Assignees: Marelli Corporation, National University Corporation Hokkaido University, Utsunomiya UniversityInventors: Fumihiro Okazaki, Satoshi Ogasawara, Hirohito Funato
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Patent number: 11340475Abstract: A display device (1A) according to the present invention includes a first light source, a first retro-reflective part disposed at a position in an emission direction of first light emitted from the first light source, and a first light-separating part configured to reflect a part of the first light that has passed through the first retro-reflective part as a first reflected light and transmits at least a part of the first reflected light.Type: GrantFiled: June 7, 2018Date of Patent: May 24, 2022Assignee: Utsunomiya UniversityInventors: Hirotsugu Yamamoto, Yutaka Tokuda, Shusei Ito, Nao Kurokawa
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Patent number: 11300810Abstract: A display device (1A) according to the present invention includes a first light source, a first retro-reflective part disposed at a position in an emission direction of first light emitted from the first light source, and a first light-separating part configured to reflect a part of the first light that has passed through the first retro-reflective part as a first reflected light and transmits at least a part of the first reflected light.Type: GrantFiled: June 7, 2018Date of Patent: April 12, 2022Assignee: Utsunomiya UniversityInventors: Hirotsugu Yamamoto, Yutaka Tokuda, Shusei Ito, Nao Kurokawa
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Patent number: 10878563Abstract: A three-dimensional shape data production method and a system for the same for realizing contactless receiving of data regarding the inner shape of a tubular body which includes a step of generating multiple pieces of two-dimensional image data based on a signal from an image capturing device configured to be movable inside a tubular body and configured to capture an image of the inside of the tubular body; a step of receiving space information on the image capturing device upon image capturing by the image capturing device based on a signal from a motion sensor placed at the image capturing device; and a step of associating the two-dimensional image data and the space information with each other and generating three-dimensional shape data of the inside of the tubular body based on the two-dimensional image data and the space information.Type: GrantFiled: February 28, 2019Date of Patent: December 29, 2020Assignees: RION Co., Ltd., Utsunomiya UniversityInventors: Takeshi Nakagawa, Daisuke Barada
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Publication number: 20200211765Abstract: A planar transformer includes: a primary side planar air core coil; a secondary side planar air core coil; a primary side planar core; and a secondary side planar core. The secondary side planar air core coil is arranged so as to be spaced from the primary side planar air core coil in the winding center axis direction of the primary side planar air core coil, the secondary side planar air core coil having a non-facing portion configured not to face the primary side planar air core coil in the winding center axis direction. The primary side planar core and the secondary side planar core are stacked on outer sides of the primary side planar air core coil and the secondary side planar air core coil in the directions of the winding center axes, respectively.Type: ApplicationFiled: July 6, 2018Publication date: July 2, 2020Applicants: Marelli Corporation, National University Corporation Hokkaido University, Utsunomiya UniversityInventors: Fumihiro Okazaki, Satoshi Ogasawara, Hirohito Funato
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Publication number: 20190196213Abstract: A display device as an embodiment of the present invention is provided with a light source, a light splitting portion for causing first emission light emitted from the light source to be surface-reflected as first reflected light, a retro-reflection portion for retro-reflecting the first reflected light toward the light splitting part as retro-reflected light, and a first light blocking portion for blocking surface-reflected light surface-reflected by the retro-reflection part toward an observation position of the retro-reflected light. The light splitting portion is configured to transmit at least some of the retro-reflected light.Type: ApplicationFiled: February 28, 2019Publication date: June 27, 2019Applicant: Utsunomiya UniversityInventors: Hirotsugu Yamamoto, Ryosuke Kujime
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Publication number: 20180284470Abstract: A display device (1A) according to the present invention includes a first light source, a first retro-reflective part disposed at a position in an emission direction of first light emitted from the first light source, and a first light-separating part configured to reflect a part of the first light that has passed through the first retro-reflective part as a first reflected light and transmits at least a part of the first reflected light.Type: ApplicationFiled: June 7, 2018Publication date: October 4, 2018Applicant: Utsunomiya UniversityInventors: Hirotsugu Yamamoto, Yutaka Tokuda, Shusei Ito, Nao Kurokawa
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Patent number: 9612449Abstract: An axially symmetric polarization conversion element that converts incident light into an axially symmetric polarized beam includes a reflection section having a shape obtained by rotating the cross section of a Fresnel rhomb wave plate along the direction of an optical axis around an axis that is parallel to the optical axis. The axially symmetric polarization conversion element converts the incident light into an axially symmetric polarized beam by utilizing two Fresnel reflections by the reflection section.Type: GrantFiled: February 7, 2013Date of Patent: April 4, 2017Assignees: Saitama Medical University, Utsunomiya UniversityInventors: Toshitaka Wakayama, Toru Yoshizawa, Yukitoshi Otani
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Patent number: 8966881Abstract: It is possible to provide a device and a method for combusting particulate substances which particulate matters discharged from an internal combustion engine can be effectively combusted, and the device configuration is simple and does not become large and heavy.Type: GrantFiled: May 11, 2010Date of Patent: March 3, 2015Assignee: Utsunomiya UniversityInventor: Takeshi Nagasawa
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Patent number: 8825257Abstract: An autonomous navigation method is a method of causing a mobile body (100) to autonomously navigate while comparing environmental magnetism data obtained in advance by measuring magnetism generated along a navigation path on which the mobile body (100) navigates and measured magnetism detected by actually measuring the magnetism generated along the navigation path when the mobile body (100) navigates along the navigation path. The method includes a step (a) of detecting first measured magnetism and second measured magnetism in different positions on the mobile body (100) and a step (b) of causing the mobile body (100) to autonomously navigate on the basis of the second measured magnetism detected by a magnetism sensor (103), which is not affected by unexpected magnetism (G) not included in the environmental magnetism data, and the environmental magnetism data.Type: GrantFiled: November 16, 2010Date of Patent: September 2, 2014Assignee: Utsunomiya UniversityInventors: Koichi Ozaki, Rahok Samann
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Patent number: 8716501Abstract: [Problem] There is provided a method for producing an oxygen-containing compound safely and with improved reaction efficiency, in which an undesired peroxide is unlikely to be produced, and efficient heat exchange of the ozonization can be achieved.Type: GrantFiled: February 17, 2010Date of Patent: May 6, 2014Assignee: Utsunomiya UniversityInventor: Masaaki Yoshida
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Patent number: 8481753Abstract: A method for manufacturing isoindolic compound, which can adopt a condition capable of being put to industrially practical use, which can produce stable isoindolic compound, and which can further produce the isoindolic compound with a high yield. The method for manufacturing isoindolic compound includes a thermal treatment step where a compound of which molecule includes a structure of pyrrole fused with bicyclo [2.2.2] octadiene skeleton, and includes a formula (I): is subjected to a supercritical carbon dioxide atmosphere. The thermal treatment step is preferably performed at a temperature of not less than 50° C. and not more than 300° C.Type: GrantFiled: December 24, 2008Date of Patent: July 9, 2013Assignee: Utsunomiya UniversityInventors: Satoshi Ito, Naotsugu Itoh, Takafumi Sato
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Patent number: 8389642Abstract: A method of treating a polymer includes oxidatively treating the polymer including a carbon-carbon bond framework in a gas atmosphere at a pressure of not less than 5.0 MPa and at a temperature of higher than 140° C. and lower than 200° C. by using oxygen included in the gas atmosphere.Type: GrantFiled: September 2, 2010Date of Patent: March 5, 2013Assignees: Hitachi Cable, Ltd., Utsunomiya UniversityInventors: Toshiharu Goto, Masaaki Yoshida, Ryosuke Kobayashi
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Publication number: 20120147326Abstract: An optical coherence eye-fundus tomography device has a high resolution and a good operability, as well as be miniaturized and be produced at a low cost. The optical coherence eye-fundus tomography device includes: a light source unit which emits a source light beam; a reference-light unit which reflects a reference light beam; an inspection unit which illuminates an object with an object scanning light beam, reflected the object scanning light beam; and a detection unit which obtains a tomographic image of the object on the basis of the interference light beam produced by interfering the reflected reference light beam with the reflected object light beam. For example, the light source unit emits the outgoing light beam that has a depth of focus of not less than 300 ?m, and resolution that is 6 ?m×6 ?m or higher in a planar direction perpendicular to a traveling direction of the outgoing light beam.Type: ApplicationFiled: August 3, 2010Publication date: June 14, 2012Applicant: Utsunomiya UniversityInventors: Toyohiko Yatagai, Cense J. Abraham
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Publication number: 20120053354Abstract: [Problem] There is provided a method for producing an oxygen-containing compound safely and with improved reaction efficiency, in which an undesired peroxide is unlikely to be produced, and efficient heat exchange of the ozonization can be achieved.Type: ApplicationFiled: February 17, 2010Publication date: March 1, 2012Applicant: Utsunomiya UniversityInventor: Masaaki Yoshida
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Patent number: 8107075Abstract: An optical characteristic measuring apparatus includes an optical system 10 including first and second carrier retarders 24 and 32 having the retardations being known and differing from each other. The optical characteristic measuring apparatus performs: a spectrum extraction process of extracting a plurality of spectral peaks from a frequency spectrum obtained by analyzing a light intensity signal detected by light-receiving/spectroscopic means; and an optical characteristic element calculation process of calculating an optical characteristic element representing optical characteristics of a measurement target based on the spectral peaks and the retardations of the first and second carrier retarders.Type: GrantFiled: March 17, 2006Date of Patent: January 31, 2012Assignee: Utsunomiya UniversityInventors: Yukitoshi Otani, Toshitaka Wakayama
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Patent number: 6958487Abstract: A mesa-shaped superconducting-superlattice structure is formed and adhered with epoxy onto a dielectric substrate where plural superconducting layers and plural insulating layers are naturally and alternately stacked. A ?/4 micro strip line (which means the length of the strip line is one-fourth of the wavelength of a microwave to be introduced) is electrically connected via a metallic film onto the mesa structural portion of the superconducting-superlattice structure, and a metallic electrode is electrically connected to the additional mesa structural portion of the superconducting-superlattice structure via a metallic film.Type: GrantFiled: March 21, 2003Date of Patent: October 25, 2005Assignee: Utsunomiya UniversityInventors: Akinobu Irie, Ginichiro Oya
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Patent number: 6518706Abstract: A continuous or a long-pulsed microwave oscillated from a microwave oscillator 1 is propagated in a waveguided tube 2 in which a given gas is charged. Subsequently, by irradiating a laser having a given intensity from a laser source 4 to the points, A and B in the tube 2, the given gas is partially made plasma. Just then, the microwave can not travel beyond the plasma-part of the given gas and reflects thereat. Accordingly, the microwave is divided at the plasma-part and thereby, a short-pulsed microwave can be obtained.Type: GrantFiled: September 8, 2000Date of Patent: February 11, 2003Assignee: Utsunomiya UniversityInventors: Noboru Yugami, Yasushi Nishida, Hiroaki Ito
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Patent number: 4651098Abstract: The phase of nuclear magnetization in a target placed in a homogeneous magnetic field and excited by a high-frequency magnetic field is encoded by applying a specifying magnetic field with a non-linear gradient thereto, and the specifying magnetic field is scanned across the target, and the encoded NMR signals are received and processed so as to produce an image of the distribution of nuclear magnetic substance in the target.Type: GrantFiled: October 2, 1984Date of Patent: March 17, 1987Assignee: Utsunomiya UniversityInventors: Yoshifumi Yamada, Kunio Tanaka, Zenwemon Abe
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Patent number: 4594550Abstract: The disclosed method of scanning a specifying magnetic field for nuclear magnetic resonance (NMR) imaging comprises steps of generating the specifying magnetic field by synthesis of a static magnetic field and a magnetic field produced by a group of magnetomotive forces, and moving the center of the specifying magnetic field by superposing a scanning magnetic field from a scanner coil in a certain direction of the magnetic field of the group of magnetomotive forces.Type: GrantFiled: September 1, 1983Date of Patent: June 10, 1986Assignee: Utsunomiya UniversityInventors: Yoshifumi Yamada, Kunio Tanaka, Zenwemon Abe