Patents Assigned to University of Tsukuba
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Publication number: 20250147498Abstract: An information processing method, an information processing system, and a recording medium are provided.Type: ApplicationFiled: January 10, 2025Publication date: May 8, 2025Applicants: Tokyo Electron Limited, University of TsukubaInventors: Jun TAMURA, Tsuyoshi MORIYA, Yuki KATAOKA, Akira IMAKURA, Tetsuya SAKURAI, Yasunori FUTAMURA, Xiucai YE
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Patent number: 12273502Abstract: An image display device displays a stereoscopic image by using a parallax barrier method and includes a transmissive image display surface on which images of left-eye image data and right-eye image data are alternately displayed; an image forming unit including optical members having strip-shaped patterns with optical properties arranged on a surface located on a back surface side of the image display surface; and strip-shaped light sources arranged on an illumination arrangement surface, which is a surface located on a back surface side of the image forming unit, and configured to irradiate the image display surface with illumination light. A slit area of the parallax barrier method is formed by an image obtained by forming an image of the illumination light from the strip-shaped light sources on the back surface side of the image display surface by using the optical members of the image forming unit.Type: GrantFiled: October 19, 2021Date of Patent: April 8, 2025Assignee: UNIVERSITY OF TSUKUBAInventors: Hideki Kakeya, Hayato Mitomi
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Publication number: 20250110040Abstract: An image processing device illuminates light from a light source through an optical system with a first numerical aperture onto an examined eye, transmits signal light returning from the examined eye through an optical system with a second numerical aperture, and divides a reference light from the light from the light source. The image processing device detects interference light between the signal light and the reference light, and acquires information representing the obtained interference light. The image processing device performs a first process of projecting the information representing the interference light onto a four-dimensional frequency aperture formed by the optical system with the first numerical aperture and the optical system with the second numerical aperture, in a four-dimensional space of frequencies of the light source and frequencies of light from the examined eye according to the signal light, and a second process of projecting the projected information into three-dimensional space.Type: ApplicationFiled: September 20, 2024Publication date: April 3, 2025Applicants: NIKON CORPORATION, UNIVERSITY OF TSUKUBAInventors: Naoki FUKUTAKE, Yoshiaki YASUNO, Shuichi MAKITA
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Patent number: 12265026Abstract: A phase gradient calculation unit calculates a phase gradient on a plane intersecting an irradiation direction of light corresponding to an optical coherence tomography signal indicating a state of a sample for each of sample points arranged on the plane. A bulk phase error calculation unit integrates, for each of plurality of paths from an origin that is a sample point where a bulk phase error is determined to a destination that is a sample point where the bulk phase error is not determined, the phase gradient for each of the sample points along each of the plurality of corresponding paths to calculate a path specific phase error at the destination, and combines the path specific phase errors among the plurality of corresponding paths to determine the bulk phase error at the destination.Type: GrantFiled: November 13, 2020Date of Patent: April 1, 2025Assignee: University of TsukubaInventors: Yoshiaki Yasuno, Daisuke Oida, Kensuke Oikawa
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Publication number: 20250094626Abstract: A concealment device includes at least one memory configured to store instructions and at least one processor configured to execute the instructions to generate a second string in which a substring of a first string detected as a concealment target has been replaced with another substring, and input the second string to a device that outputs a response to the second string.Type: ApplicationFiled: September 11, 2024Publication date: March 20, 2025Applicants: NEC CORPORATION, UNIVERSITY OF TSUKUBAInventors: Kazuya KAKIZAKI, Junki MORI, Isamu TRANISHI, Toshinori ARAKI, Jun SAKUMA
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Publication number: 20250084547Abstract: An electrode 10 includes, as a catalyst, an alloy including three or more base metal elements, in which the three or more base metal elements are nearly equal in atomic composition proportion, and form a solid solution. Also, an electrode 12 includes: a carbon fiber; and a catalyst including a base metal, at least a part of elements of the catalyst being chemically bonded to the carbon fiber. Further, the water electrolyzer includes an anode, a cathode, and a solid polymer electrolyte membrane provided between the anode and the cathode. The anode is the electrode 10, and/or the cathode is the electrode 12.Type: ApplicationFiled: September 29, 2021Publication date: March 13, 2025Applicant: UNIVERSITY OF TSUKUBAInventor: Yoshikazu ITO
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Publication number: 20250057628Abstract: A medical imaging device according to the present invention includes an illumination unit 11 that spot-illuminates a center of operative field of a surgical patient, an operative field camera unit 12 that images a center of irradiation range by the illumination unit 11, a housing 13 that covers the illumination unit 11 and the operative field camera unit 12, and a pair of display units 14 and 14 that are visible from both sides of the surgical patient.Type: ApplicationFiled: December 15, 2022Publication date: February 20, 2025Applicants: University of Tsukuba, Yamada Shadowless Lamp Co., Ltd.Inventors: Tatuya Oda, Kazuaki Yamazaki, Toshihiro Suzuki, Hiroyuki Urashima
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Patent number: 12221347Abstract: A carbon nanotube assembled wire includes a plurality of carbon nanotubes, wherein in a Raman spectrum of the carbon nanotube assembled wire, a ratio IB/IA of an integrated intensity IA in a range of a Raman shift of 120 cm?1 or more and 210 cm?1 or less and an integrated intensity IB in a range of a Raman shift of more than 210 cm?1 and 280 cm?1 or less is 0.1 or more.Type: GrantFiled: August 28, 2020Date of Patent: February 11, 2025Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBAInventors: Takeshi Hikata, Toshihiko Fujimori, Soichiro Okubo, Jun Otsuka, Jun-ichi Fujita
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Patent number: 12178939Abstract: A medical instrument in which an inorganic salt solid such as apatite into which a peptide hormone or the like is embedded is placed so that a metal or the like is coated therewith, in which the inorganic salt solid is provided by controlled delay co-precipitation or the like in an unstable supersaturated calcium phosphate solution, and the medical instrument is exposed to ionizing radiation at a dose sufficient for sterilization.Type: GrantFiled: January 30, 2020Date of Patent: December 31, 2024Assignees: Cell-Medicine, Inc., National Institute of Advanced Industrial Science and Technology, University of Tsukuba, Nihon Parkerizing Co., Ltd.Inventors: Tadao Ohno, Mayu Yasunaga, Atsuo Ito, Yu Sogo, Fumiko Kobayashi
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Publication number: 20240424011Abstract: A prodrug of an anticancer drug is used in combination therapy with radiotherapy. In the chemical formula (1), a moiety in which R1 and R2 bond to an N atom is a part of an anticancer drug having an amino group or an imino group with the amino group or the imino group removed, and the anticancer drug is selected from the group consisting of gemcitabine, niraparib, crizotinib, tabrafenib, vemurafenib, entinostat, cobimetinib, and palbociclib, ribociclib. Thereby, the side effects of the treatment, including radiotherapy, for malignant tumors are reduced or the treatment effect is enhanced.Type: ApplicationFiled: December 14, 2022Publication date: December 26, 2024Applicant: UNIVERSITY OF TSUKUBAInventors: Yutaka IKEDA, Yukio NAGASAKI
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Patent number: 12175753Abstract: A non-transitory computer-readable recording medium has stored therein a program that causes a computer to execute a process, the process including acquiring movie data including a plurality of consecutive frames calculating first likelihood of a class of the movie data by inputting the acquired movie data to a trained model, calculating an optical flow indicating movement of an area included in the movie data, based on the movie data generating occluded movie data by setting an occluded area in each of the frames included in the movie data, based on the optical flow, calculating second likelihood of a class of the occluded movie data by inputting the occluded movie data to the model identifying an area that affects identification of the class among areas in the movie data, based on the first likelihood and the second likelihood and displaying the identified area that affects identification of the class.Type: GrantFiled: July 19, 2022Date of Patent: December 24, 2024Assignees: FUJITSU LIMITED, UNIVERSITY OF TSUKUBAInventors: Tomoki Uchiyama, Naoya Sogi, Koichiro Niinuma, Kazuhiro Fukui
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Patent number: 12168607Abstract: A method for manufacturing a carbon nanotube includes: a growing step of growing a carbon nanotube from a catalyst particle by supplying a carbon-containing gas to the catalyst particle in a suspended state; and a drawing step of drawing the carbon nanotube by applying a tensile force to the carbon nanotube in a suspended state.Type: GrantFiled: December 26, 2019Date of Patent: December 17, 2024Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBAInventors: Toshihiko Fujimori, Takeshi Hikata, Soichiro Okubo, Jun-Ichi Fujita, Jun Otsuka
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Publication number: 20240411119Abstract: An intraocular illumination device includes a fiber that guides light from a light source, and a holder that is disposed between an objective lens of a microscope and an eye during eye surgery or examination and supports a tip portion of the fiber. The tip portion of the fiber is provided with a reflecting portion that reflects the light guided through the fiber toward an inside of the eye.Type: ApplicationFiled: October 21, 2022Publication date: December 12, 2024Applicants: UNIVERSITY OF TSUKUBA, TEIKYO UNIVERSITYInventors: Shohei MORIKAWA, Toshifumi MIHASHI
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Publication number: 20240395547Abstract: This semiconductor apparatus has a base film and a semiconductor film formed on the base film, wherein the base film comprises a polyimide obtained by condensation polymerization of an aromatic diamine and an aromatic tetracarboxylic acid anhydride and has a tensile elasticity in the machine direction of 7 GPa or more, and the semiconductor film is polycrystalline and comprises crystal particles having an average particle size of 1 ?m or more.Type: ApplicationFiled: July 26, 2022Publication date: November 28, 2024Applicants: University of Tsukuba, TOYOBO CO., LTD.Inventors: Kaoru TOKO, Muneatsu NAKAMURA, Satoshi MAEDA
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Publication number: 20240383755Abstract: As a method for manufacturing a carbon nanotube assembled wire, that is capable of manufacturing the carbon nanotube assembled wire in a tubular carbon nanotube synthesis furnace efficiently, an adhesion suppressing gas stream is generated from an adhesion suppressing gas discharge port located between a second end of the carbon nanotube synthesis furnace and an end of a heater closer to the second end, the adhesion suppressing gas stream flowing between an internal wall of the carbon nanotube synthesis furnace and an external wall of a first channel, in which carbon nanotubes are oriented to form the carbon nanotube assembled wire, in a direction from the second end toward a first end to suppress adhesion of a plurality of carbon nanotubes to the internal wall of the carbon nanotube synthesis furnace.Type: ApplicationFiled: August 18, 2022Publication date: November 21, 2024Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBAInventors: Toshihiko FUJIMORI, Daiji YAMASHITA, Takamasa ONOKI, Soichiro OKUBO, Takeshi HIKATA, Junichi FUJITA
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Publication number: 20240367978Abstract: A method for manufacturing a carbon nanotube assembled wire includes: a first step of supplying a carbon-containing gas at one, first end of a tubular carbon nanotube synthesis furnace to grow a carbon nanotube from each of a plurality of catalyst particles suspended in the carbon nanotube synthesis furnace to synthesize a plurality of carbon nanotubes; a second step of orienting the plurality of carbon nanotubes in a longitudinal direction of the carbon nanotubes in a first channel provided in the carbon nanotube synthesis furnace, and thus assembling them together, to form a carbon nanotube assembled wire; and a third step of collecting the carbon nanotube assembled wire using a collecting gas stream flowing from a second end of the carbon nanotube synthesis furnace opposite to the first end in a direction away from the carbon nanotube synthesis furnace.Type: ApplicationFiled: August 18, 2022Publication date: November 7, 2024Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD, UNIVERSITY OF TSUKUBAInventors: Toshihiko FUJIMORI, Daiji YAMASHITA, Takamasa ONOKI, Soichiro OKUBO, Takeshi Hikata, Junichi FUJITA
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Publication number: 20240308853Abstract: A method for manufacturing a carbon nanotube assembled wire includes: a first step of supplying a carbon-containing gas to a plurality of catalyst particles in a suspended state in a tubular carbon nanotube synthesis furnace to grow a carbon nanotube from each of the plurality of catalyst particles to obtain a plurality of carbon nanotubes; and a second step of assembling the plurality of carbon nanotubes together to obtain a plurality of carbon nanotube assembled wires.Type: ApplicationFiled: February 24, 2022Publication date: September 19, 2024Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBAInventors: Takeshi HIKATA, Toshihiko FUJIMORI, Daiji YAMASHITA, Soichiro OKUBO, Takamasa ONOKI, Jun-ichi FUJITA
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Publication number: 20240279072Abstract: The object of the present invention is to provide an excellent method for storing and transporting hydrogen. The object can be solved by a structure comprising boron, hydrogen, and oxygen, that has B—H—B bonds, B—H bonds, and B—OH bonds, and in the measurement of FT-IR spectra, the following formulas are satisfied: (1) 0.80?a/c?0.96, and (2) 0.95?b/c?1.12, wherein when the baseline is defined as 100%, a is the transmittance at 1400 cm?1 in the FT-IR spectrum, b is the transmittance at 2500 cm?1 in the FT-IR spectrum, and c is the transmittance at 3200 cm?1 in the FT-IR spectrum.Type: ApplicationFiled: June 9, 2022Publication date: August 22, 2024Applicants: TOKYO INSTITUTE OF TECHNOLOGY, UNIVERSITY OF TSUKUBA, SANOH INDUSTRIAL CO., LTD.Inventors: Masahiro MIYAUCHI, Takahiro KONDO, Natsuko OMIYA
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Publication number: 20240277642Abstract: Provided is a valproic acid derivative for improving disadvantages or defects accompanying when valproic acid itself or the like is used as a medicine. Provided is a block copolymer which is a polymerized product of valproic acid and comprises a poly(ethylene glycol) segment and a poly(vinyl valproate) segment.Type: ApplicationFiled: May 23, 2022Publication date: August 22, 2024Applicant: UNIVERSITY OF TSUKUBAInventors: Yukio NAGASAKI, Yutaka IKEDA, Yuya TAJIKA
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Patent number: 12060562Abstract: An expression system is provided, including a first nucleic acid fragment containing a long intergenic region (LIR) derived from geminivirus, a small intergenic region (SIR) derived from geminivirus, and an expression cassette of a target protein linked between the LIR and the SIR and a second nucleic acid fragment containing an expression cassette of a Rep/RepA protein derived from geminivirus, in which the expression cassette of the target protein includes a promoter, a nucleic acid fragment encoding the target protein, and two or more linked terminators in this order.Type: GrantFiled: March 6, 2018Date of Patent: August 13, 2024Assignee: University of TsukubaInventors: Kenji Miura, Hiroshi Ezura, Ken Hoshikawa