Patents Assigned to University of Tsukuba
  • Patent number: 11335083
    Abstract: Provided are an object identification device and an object identification method in which objects can be easily identified. The object identification device is provided with a pixel group extraction unit which scans, in units of the image area, an X-ray transferred image obtained from an imaging unit which performs X-ray imaging to an item to be inspected that is supplied, and extracts a plurality of pixel groups including characteristics of a shape of at least a part of the item to be inspected, and a determination unit which determines, with regard to the plurality of pixel groups extracted by the pixel group extraction unit, whether the item to be inspected corresponds to the object by executing all of the series of mappings related to an angle of an n direction by using each of the weight parameters based on the data group read from the memory unit.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: May 17, 2022
    Assignees: CYBERDYNE INC., University of Tsukuba
    Inventor: Yoshiyuki Sankai
  • Patent number: 11328434
    Abstract: An object tracking device includes a superimposed image creation unit configured to create a plurality of superimposed images in which each of a plurality of non-tracking object images which do not include a tracking object image feature is superimposed on a tracking object section image which includes a tracking object image feature; a discriminator creation unit configured to learn at least one of an image feature and position information of the tracking object, based on the plurality of superimposed images to create a discriminator; and a tracking object specifying unit configured to specify at least one of the image feature and the position information of the tracking object in a tracked image including the respective image features of the tracking object and an obstacle, based on the discriminator and the tracked image.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: May 10, 2022
    Assignee: UNIVERSITY OF TSUKUBA
    Inventors: Toshiyuki Terunuma, Takeji Sakae
  • Publication number: 20220125752
    Abstract: Incorporation of L-DOPA into a carrier in a form of a block copolymer (PEG-b-poly(3,4-hydroxy-protected L-DOPA)) significantly improves the retention of the agent in the blood, thus mitigating a shortcoming associated with L-DOPA in treating Parkinson's disease.
    Type: Application
    Filed: February 6, 2020
    Publication date: April 28, 2022
    Applicant: UNIVERSITY OF TSUKUBA
    Inventors: Yukio NAGASAKI, Yuna SATO, Long Binh VONG, Pennapa CHONPATHOMPIKUNLERT, Pilaiwanwadee HUTAMEKALIN, Reita TAKAHASHI
  • Patent number: 11313342
    Abstract: A wave-activated power generation device is disclosed. The device includes a float configured to be capable of floating in the sea; a rotor configured to generate a rotational inertial mass effect; a power generator configured to generate power based on rotation of the rotor; a first elastic body; and a drive part configured to connect the rotor with the float via the first elastic body so as to rotate the rotor along with movement of the float.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 26, 2022
    Assignee: University of Tsukuba
    Inventors: Takehiko Asai, Ruriko Haraguchi, Yoshikazu Araki
  • Patent number: 11300807
    Abstract: An image display device acquires positional information including a distance between at least one eye of an observer and an image display surface, and corrects, based on the acquired positional information, a relative positional relationship between slit areas and an image displayed on the image display surface, by using a width smaller than the width of one subpixel as a minimum correction unit.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: April 12, 2022
    Assignee: University of Tsukuba
    Inventors: Hideki Kakeya, Ayuki Hayashishita
  • Publication number: 20220106561
    Abstract: [Object] Provided is a method of producing a nerve bundle including efficiently extending axons of neural cells. [Solution] Neural cells are cultivated in the presence of feeder cells including at least one type of cells selected from vascular component cells and perivascular cells.
    Type: Application
    Filed: September 17, 2021
    Publication date: April 7, 2022
    Applicant: UNIVERSITY OF TSUKUBA
    Inventors: Aiki MARUSHIMA, Akira MATSUMURA, Hiroki BUKAWA, Yuji MATSUMARU, Masao KODA, Hiroshi ISHIKAWA, Akihiro OHYAMA, Junko TOYOMURA, Shohei TAKAOKA, Yosuke SHIBAO, Miho WATANABE, Tetsuya ABE
  • Publication number: 20220071209
    Abstract: Provided is a plant pathogen control agent that is used to control plant pathogens on plants and is a novel method for using cellulose nanofibers. The plant pathogen control agent is a plant pathogen control agent containing plant-derived cellulose nanofibers as active ingredient, in which a surface of a nanofiber-coated layer to be formed by sparging or spraying the plant pathogen control agent onto the foliage or the stems of the plants and then by drying the plant pathogen control agent has hydrophilicity. Examples of the cellulose nanofibers include a plant-derived nanofiber material selected from the group consisting of gramineous plants, broadleaf trees, and needleleaf trees. Examples of the plants to be an application target include cabbage plants, soybean plants, tomato plants, tobacco plants, or coffee tree seedlings. In addition, examples of the plant pathogens to be a control target include causative bacterium, rust fungi, or pathogenic fungi.
    Type: Application
    Filed: September 20, 2019
    Publication date: March 10, 2022
    Applicants: Marubeni Corporation, University of Tsukuba, Chuetsu Pulp and Paper Co., Ltd.
    Inventors: Yasuhiro ISHIGA, Hiroyuki TANAKA
  • Publication number: 20220064002
    Abstract: The carbon nanotube assembled wire includes a plurality of carbon nanotubes oriented at a degree of orientation of 0.9 or more and 1 or less.
    Type: Application
    Filed: December 26, 2019
    Publication date: March 3, 2022
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBA
    Inventors: Toshihiko FUJIMORI, Takeshi HIKATA, Soichiro OKUBO, Jun-ichi FUJITA
  • Publication number: 20220064003
    Abstract: 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: Application
    Filed: December 26, 2019
    Publication date: March 3, 2022
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBA
    Inventors: Toshihiko FUJIMORI, Takeshi HIKATA, Soichiro OKUBO, Jun-ichi FUJITA, Jun OTSUKA
  • Patent number: 11260530
    Abstract: An upper limb motion support apparatus and an upper limb motion support system which are capable of significantly improving the enhancement of an operator's work efficiency and the reduction of their workload are proposed. A controller which causes an articulated arm and an end effector to perform three-dimensional motion according to the operator's intention based on a biological signal acquired by a biological signal detection unit causes the articulated arm and the end effector to perform cooperative motion in conjunction with the operator's upper limb motion by referring to content recognized by an upper limb motion recognition unit.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: March 1, 2022
    Assignees: CYBERDYNE INC., UNIVERSITY OF TSUKUBA
    Inventor: Yoshiyuki Sankai
  • Patent number: 11233808
    Abstract: In a networking system including a plurality of nodes connected with each other by a communication network, each node includes an abnormality discrimination unit configured, when a cumulative consumption current at the time of processing the data received from other node is out of a range (of current values estimated in advance based on an event at the other node, to discriminate the other node as an abnormal. By the networking system, the abnormality of the nodes on the network may be detected with a simple configuration.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: January 25, 2022
    Assignee: UNIVERSITY OF TSUKUBA
    Inventors: Hiroaki Nishikawa, Shuji Sannomiya
  • Publication number: 20210393343
    Abstract: As an expert gives instructions to cause movements of their own hands transferred directly as tactile force sense while perceiving surrounding information of a collaborator on a real-time basis and watching the collaborator's line-of-sight end and movements of the collaborator's hands, the collaborator indirectly receives the instructions of the expert's manual skills, which are the expert's tacit knowledge, on a real-time basis while sharing realistic sensations with the expert who is at a remote location when the collaborator performs an act of working with their own hands.
    Type: Application
    Filed: October 30, 2019
    Publication date: December 23, 2021
    Applicants: CYBERDYNE INC., UNIVERSITY OF TSUKUBA
    Inventor: Yoshiyuki SANKAI
  • Patent number: 11196443
    Abstract: A technique to prevent a retrieving process of a conversion rule from taking a longer time is provided.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: December 7, 2021
    Assignee: UNIVERSITY OF TSUKUBA
    Inventors: Shinichi Yamagiwa, Koichi Marumo, Ryuta Morita
  • Publication number: 20210373032
    Abstract: The present invention provides a method for acquiring data relating to the onset of cerebral infarction, characterized in that the method includes determining the level of an antibody to DIDO1 protein or a portion thereof, and/or the level of an antibody to CPSF2 protein or a portion thereof, the antibody or antibodies being present in a body fluid sample collected from a living body. The invention also provides a kit for acquiring data for carrying out the method of the present invention. The invention can accurately discern signs linked to the onset of cerebral infarction.
    Type: Application
    Filed: November 22, 2018
    Publication date: December 2, 2021
    Applicants: FUJIKURA KASEI CO., LTD., NATIONAL CANCER CENTER, UNIVERSITY OF TSUKUBA, NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY, OSAKA UNIVERSITY
    Inventors: Hideyuki KURODA, Rika NAKAMURA, Go TOMIYOSHI, Takaki HIWASA, Kazumasa YAMAGISHI, Shoichiro TSUGANE, Norie SAWADA, Hiroyasu ISO
  • Patent number: 11181487
    Abstract: A phase imaging method and apparatus are provided, the phase imaging method including causing a quantum beam from a radiation source to be incident on a detector through a test object and at least one phase grating and obtaining a phase image of the test object, based on intensity distribution of a beam in a pixel constituting the detector. The intensity distribution of the beam at least includes information of absorption (a0), visibility (V), and phase (?). At least three adjacent pixels are assumed to have a substantially identical value for each of the absorption (a0), the visibility (V), and the phase (?) through variable approximation of an image. The absorption, the visibility, and the phase are obtained, based on at least one measurement image.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: November 23, 2021
    Assignee: University of Tsukuba
    Inventors: Hiroyuki Kudo, Songzhe Lian
  • Publication number: 20210338998
    Abstract: A first drive unit, in a state where a top end of a tubular joint is interposed into a chest of a target person and is located at a lower heart part, pushes a diaphragm out from the top end of the tubular joint while pressing a gas into the diaphragm, and simultaneously causes the diaphragm to start flexing to cover and wrap the lower heart part, and then stops pressing the gas into the diaphragm at a time point where compression balloons are positioned at atriums and ventricles of a heart, respectively; and second drive units support a pumping function of the heart by alternately repeating an ejecting operation to fill each of the compression balloons with a fluid and cause each compression balloon to expand and an absorbing operation to cause each compression balloon to discharge the fluid and contract.
    Type: Application
    Filed: August 30, 2019
    Publication date: November 4, 2021
    Applicants: CYBERDYNE INC., UNIVERSITY OF TSUKUBA
    Inventor: Yoshiyuki SANKAI
  • Publication number: 20210340282
    Abstract: A paramylon-based resin having a weight-average molecular weight of paramylon in a range of 70000 to 140000, and formed by substituting hydrogen atoms of hydroxy groups of a paramylon with a long-chain component being a linear saturated aliphatic acyl group having 14 or more carbon atoms and a short-chain component being an acyl group (acetyl group or/and propionyl group) having 2 or 3 carbon atoms, wherein a degree of substitution with the long-chain component (DSLo) and a degree of substitution with the short-chain component (DSSh) satisfy the following conditional expressions (1) and (2), Izod impact strength is 5.0 kJ/m2 or more, and an MFR (melt flow rate at 210° C. and under a load of 5 kg) is 2 g/10 min or more. To provide a paramylon-based resin excellent in mechanical characteristics and thermoplasticity. 2.2?DSLo+DSSh?2.
    Type: Application
    Filed: July 10, 2019
    Publication date: November 4, 2021
    Applicants: NEC CORPORATION, UNIVERSITY OF TSUKUBA
    Inventors: Midori SHIMURA, Shukichi TANAKA, Toshie MIYAMOTO, Masatoshi IJI
  • Publication number: 20210309522
    Abstract: A carbon nanotube composite assembled wire is a carbon nanotube composite assembled wire including a plurality of carbon nanotube composites, each of the plurality of carbon nanotube composites including one carbon nanotube and an amorphous carbon-containing layer that coats the carbon nanotube, the carbon nanotube having a D/G ratio of 0.1 or less, the D/G ratio being a ratio of a peak intensity of a D band to a peak intensity of a G band in Raman spectroscopic analysis with a wavelength of 532 nm, each of the plurality of carbon nanotube composites being fibrous and having a diameter of 0.1 ?m or more and 50 ?m or less, the plurality of carbon nanotube composites being oriented in a longitudinal direction of the carbon nanotube composite assembled wire.
    Type: Application
    Filed: August 29, 2019
    Publication date: October 7, 2021
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBA
    Inventors: Toshihiko FUJIMORI, Takeshi HIKATA, Soichiro OKUBO, Jun-ichi FUJITA
  • Patent number: 11136539
    Abstract: Proposed are a functional improvement evaluation apparatus and a nerve cell culture apparatus of model animals capable of performing feedback control, even to mammalian model animals, based on biosignals in the same manner has humans based on a relatively simple configuration.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: October 5, 2021
    Assignees: CYBERDYNE Inc., University of Tsukuba
    Inventor: Yoshiyuki Sankai
  • Patent number: 11116732
    Abstract: The present invention relates to a carotenoid-containing composition for use in exercise therapy for improving cognitive function, particularly exercise therapy for hippocampal neurogenesis.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: September 14, 2021
    Assignees: ASTAREAL CO., LTD., UNIVERSITY OF TSUKUBA :
    Inventors: Hideaki Soya, Jangsoo Yook