Patents by Inventor Daisuke Takagi

Daisuke Takagi 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).

  • Publication number: 20250075786
    Abstract: A wave reducer includes a cam, a flex gear, an internal gear, an angle sensor, a thrust sensor, and a circuit. The angle sensor is located in the flex gear and an output value thereof changes in accordance with a rotation angle of the cam. The thrust sensor is located in the flex gear and an output value thereof changes according to a thrust force applied to the cam. The circuit is electrically connected with the angle sensor and the thrust sensor. The circuit corrects an output value of the angle sensor based on an output value of the thrust sensor.
    Type: Application
    Filed: August 23, 2024
    Publication date: March 6, 2025
    Inventors: Daisuke TAKAGI, Seidai UEDA
  • Publication number: 20250070071
    Abstract: A semiconductor device including: a semiconductor chip including redistribution wiring; a lead frame including a die pad mounted with the semiconductor chip and a lead connected to the die pad, wherein the redistribution wiring and the die pad are electrically connected by a solder or a conductive adhesive; and a sealing member that seals the semiconductor chip.
    Type: Application
    Filed: August 21, 2024
    Publication date: February 27, 2025
    Applicant: LAPIS Technology Co., Ltd.
    Inventor: Daisuke TAKAGI
  • Patent number: 12228466
    Abstract: An annular body includes a base portion and a resistance wire located in the base portion and including first and second resistance wire portions. The first resistance wire portion includes first regions arranged at intervals in the circumferential direction and each including a region in which a first portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly provided in the circumferential direction. The second resistance wire portion includes the second regions arranged at intervals in the circumferential direction and each including a region in which a second portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly arranged in the circumferential direction.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: February 18, 2025
    Assignee: Nidec-Shimpo Corporation
    Inventor: Daisuke Takagi
  • Publication number: 20250055391
    Abstract: A drive device includes a motor, a reducer to decelerate rotational motion output from the motor, and a target object operable by rotational motion output from the reducer. A controller is configured or programmed to control the motor based on a detection value of a sensor mounted on the reducer.
    Type: Application
    Filed: August 6, 2024
    Publication date: February 13, 2025
    Inventor: Daisuke TAKAGI
  • Patent number: 12216012
    Abstract: A sensor includes a base, and first and second resistance lines. The base extends in a direction intersecting with a central axis. The first resistance lines are arrayed in a circumferential direction on a surface of the base. The second resistance lines are arranged concentrically with the first resistance lines and between the first resistance lines in the circumferential direction on the surface of the base. In the first resistance lines, the number of regions of the resistance line along the circumferential direction is one or less, and the number of regions of the resistance line along a radial direction is one or less. The sensor is able to provide improved detection accuracy.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: February 4, 2025
    Assignee: Nidec-Shimpo Corporation
    Inventor: Daisuke Takagi
  • Patent number: 12196306
    Abstract: An annular body includes a base, a first resistance wire, a second resistance wire, a first terminal, and a second terminal. The base surrounds a central axis and expands in a direction intersecting the central axis. Resistance values of the first and second resistance wires change according to strain of the base. The first terminal is electrically connected to the end of the first resistance wire. The second terminal is electrically connected to an end of the second resistance wire. The first terminal is at a first position in the circumferential direction. The second terminal is at a second position in the circumferential direction. When viewed in the axial direction, the central angle defined by the first position, the central axis, and the second position is equal to or greater than about 90°.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: January 14, 2025
    Assignee: Nidec-Shimpo Corporation
    Inventor: Daisuke Takagi
  • Patent number: 12186902
    Abstract: An external gear includes a body, external teeth, a diaphragm, and a strain gauge. The diaphragm extends in a direction intersecting with an axial direction on another side in of the body the axial direction. The strain gauge is on at least one of a surface on one side of the diaphragm in the axial direction and a surface on another side of the diaphragm in the axial direction. The strain gauge is only in a region that is about a half or less of a radial length from one end of the diaphragm in the axial direction to the other end of the diaphragm in the axial direction with a radial midpoint between the one end of the diaphragm in the axial direction and the other end of the diaphragm in the axial direction as a center in a section passing through the central axis.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: January 7, 2025
    Assignee: Nidec-Shimpo Corporation
    Inventor: Daisuke Takagi
  • Patent number: 11958921
    Abstract: To provide a disposable diaper enabling reduction in re-wet amount and having an excellent speed of incorporating liquid regardless of concentration and configuration of a water-absorbing agent in an absorbent material. A water-absorbing agent having excellent Gel Capillary Absorption (GCA) and Free Gel Bed Permeability (FGBP) is obtained by crushing a crosslinked hydrogel polymer obtained in a polymerization step to have a specific weight average particle diameter while fluid retention capacity and a surface tension of a water-absorbing agent are adjusted in a specific range, drying the crushed crosslinked hydrogel polymer, and then adding a liquid permeability enhancer thereto during surface crosslinking or after surface crosslinking.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: April 16, 2024
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Tsuyoshi Yorino, Daisuke Takeda, Yoshitaka Ikeuchi, Shigeru Sakamoto, Yoshihiro Shobo, Yoshifumi Adachi, Ryota Wakabayashi, Daisuke Takagi, Sachie Kitabata
  • Publication number: 20240035556
    Abstract: A machine component includes a base portion and strain gauges. The base portion extends in a direction intersecting a central axis. The strain gauges are provided on the base portion and arrayed in a circumferential direction about the central axis. Gap regions are provided between adjacent strain gauges in the circumferential direction. The gap regions include gap regions arranged at angular intervals of approximately 90° about the central axis.
    Type: Application
    Filed: July 21, 2023
    Publication date: February 1, 2024
    Inventor: Daisuke TAKAGI
  • Patent number: 11819978
    Abstract: A grinding material includes a base sheet and a grinding layer overlaid on a front face side of the base sheet and including abrasive grains and a binder for the abrasive grains. The grinding layer includes the abrasive grains of a plurality of types. Of the abrasive grains of the plurality of types, provided that first abrasive grains have the largest average diameter and second abrasive grains have the second largest average diameter, the percentage of the average diameter of the second abrasive grains with respect to that of the first abrasive grains is 5-70%. The total content of the abrasive grains in the grinding layer is preferably 50-85% by volume. The content of the first abrasive grains in the grinding layer is preferably 1-25% by volume. The first abrasive grains are preferably diamond abrasive grains and the second abrasive grains are preferably alumina abrasive grains.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: November 21, 2023
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Daisuke Takagi, Tomoki Iwanaga, Kazuo Saito, Toshikazu Taura
  • Publication number: 20230258257
    Abstract: An annular body includes a base, a first resistance wire, a second resistance wire, a first terminal, and a second terminal. The base surrounds a central axis and expands in a direction intersecting the central axis. Resistance values of the first and second resistance wires change according to strain of the base. The first terminal is electrically connected to the end of the first resistance wire. The second terminal is electrically connected to an end of the second resistance wire. The first terminal is at a first position in the circumferential direction. The second terminal is at a second position in the circumferential direction. When viewed in the axial direction, the central angle defined by the first position, the central axis, and the second position is equal to or greater than about 90°.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 17, 2023
    Applicants: Nidec-Shimpo Corporation, Nidec-Shimpo Corporation
    Inventor: Daisuke TAKAGI
  • Patent number: 11633717
    Abstract: Provided are a water-absorbing resin having more excellent balance of fluid retention capacity, liquid permeability, and low dustiness and a novel measurement method which enables evaluation of excellent physical properties of the water-absorbing resin. A method for measuring an absorption speed of a particulate water-absorbing agent is a method including the step of applying pressure to a portion of a bottom surface of a measurement container (51) by use of a flat plate (52) in a state in which part or whole of the particulate water-absorbing agent (56) is fixed on the bottom surface of the measurement container (51), the bottom surface being surrounded by a frame, introducing an aqueous solution through a liquid injection inlet (54) with which the flat plate (52) is equipped, and then measuring the amount of time elapsed until an end of absorption of the introduced aqueous solution by the particulate water-absorbing agent (56).
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: April 25, 2023
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Kazushi Torii, Yuika Noda, Daisuke Takagi
  • Publication number: 20230097487
    Abstract: To provide a disposable diaper enabling reduction in re-wet amount and having an excellent speed of incorporating liquid regardless of concentration and configuration of a water-absorbing agent in an absorbent material. A water-absorbing agent having excellent Gel Capillary Absorption (GCA) and Free Gel Bed Permeability (FGBP) is obtained by crushing a crosslinked hydrogel polymer obtained in a polymerization step to have a specific weight average particle diameter while fluid retention capacity and a surface tension of a water-absorbing agent are adjusted in a specific range, drying the crushed crosslinked hydrogel polymer, and then adding a liquid permeability enhancer thereto during surface crosslinking or after surface crosslinking.
    Type: Application
    Filed: November 16, 2022
    Publication date: March 30, 2023
    Inventors: Tsuyoshi YORINO, Daisuke TAKEDA, Yoshitaka IKEUCHI, Shigeru SAKAMOTO, Yoshihiro SHOBO, Yoshifumi ADACHI, Ryota WAKABAYASHI, Daisuke TAKAGI, Sachie KITABATA
  • Publication number: 20230071143
    Abstract: An annular body includes a base portion and a resistance wire located in the base portion and including first and second resistance wire portions. The first resistance wire portion includes first regions arranged at intervals in the circumferential direction and each including a region in which a first portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly provided in the circumferential direction. The second resistance wire portion includes the second regions arranged at intervals in the circumferential direction and each including a region in which a second portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly arranged in the circumferential direction.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 9, 2023
    Inventor: Daisuke TAKAGI
  • Publication number: 20230014532
    Abstract: An external gear includes a body, external teeth, a diaphragm, and a strain gauge. The diaphragm extends in a direction intersecting with an axial direction on another side in of the body the axial direction. The strain gauge is on at least one of a surface on one side of the diaphragm in the axial direction and a surface on another side of the diaphragm in the axial direction. The strain gauge is only in a region that is about a half or less of a radial length from one end of the diaphragm in the axial direction to the other end of the diaphragm in the axial direction with a radial midpoint between the one end of the diaphragm in the axial direction and the other end of the diaphragm in the axial direction as a center in a section passing through the central axis.
    Type: Application
    Filed: August 19, 2022
    Publication date: January 19, 2023
    Inventor: Daisuke TAKAGI
  • Patent number: 11554376
    Abstract: Provided is a container (10) including a base material (1) including a plurality of concave portions (2); a recognition unit (3) disposed on the base material and configured to recognize the base material; and a storage unit (4) disposed in a position other than a measurement region of the base material and configured to store information on biomaterials contained in the plurality of concave portions, wherein the recognition unit and the storage unit are allowed to correspond to each other.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: January 17, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ryuya Mashiko, Satoshi Izumi, Hiroki Somada, Takahiko Matsumoto, Daisuke Takagi
  • Publication number: 20220412819
    Abstract: A sensor includes a base, and first and second resistance lines. The base extends in a direction intersecting with a central axis. The first resistance lines are arrayed in a circumferential direction on a surface of the base. The second resistance lines are arranged concentrically with the first resistance lines and between the first resistance lines in the circumferential direction on the surface of the base. In the first resistance lines, the number of regions of the resistance line along the circumferential direction is one or less, and the number of regions of the resistance line along a radial direction is one or less.
    Type: Application
    Filed: June 22, 2022
    Publication date: December 29, 2022
    Inventor: Daisuke TAKAGI
  • Patent number: 11535689
    Abstract: To provide a disposable diaper enabling reduction in re-wet amount and having an excellent speed of incorporating liquid regardless of concentration and configuration of a water-absorbing agent in an absorbent material. A water-absorbing agent having excellent Gel Capillary Absorption (GCA) and Free Gel Bed Permeability (FGBP) is obtained by crushing a crosslinked hydrogel polymer obtained in a polymerization step to have a specific weight average particle diameter while fluid retention capacity and a surface tension of a water-absorbing agent are adjusted in a specific range, drying the crushed crosslinked hydrogel polymer, and then adding a liquid permeability enhancer thereto during surface crosslinking or after surface crosslinking.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: December 27, 2022
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Tsuyoshi Yorino, Daisuke Takeda, Yoshitaka Ikeuchi, Shigeru Sakamoto, Yoshihiro Shobo, Yoshifumi Adachi, Ryota Wakabayashi, Daisuke Takagi, Sachie Kitabata
  • Publication number: 20220387971
    Abstract: [Problem] In an embodiment involving addition of a chelating agent in an upstream process of the process for production, such as the polymerization step, the residual ratio of the chelating agent in the final product, a particulate water-absorbing agent, is improved. [Solution] A particulate water-absorbing agent having a poly(meth)acrylic acid (salt)-based water-absorbing resin as a main component, containing a chelating agent having a nitrogen atom and an inorganic reducing agent having a sulfur atom, wherein the particulate water-absorbing agent has a chelating agent ratio of 0.8 to 1.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 8, 2022
    Inventors: Satoshi MATSUMOTO, Kanako TSURU, Taishi KOBAYASHI, Daisuke TAKAGI, Kazushi TORII
  • Patent number: 11466249
    Abstract: Provided is a cell tissue producing method including: a cell adhesive portion forming step of forming a cell adhesive portion formed of a cell adhesive material and having a predetermined shape at a predetermined position over a substrate having a cell non-adhesive surface; and a cell locating step of discharging a cell suspension containing at least cells and a cell drying inhibitor onto the cell adhesive portion in the form of a liquid droplet to locate the cells.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: October 11, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hidekazu Yaginuma, Naoki Satoh, Tomoyuki Aratani, Chihiro Kubo, Daisuke Takagi, Momoko Shionoiri, Natsuko Iwashita