Patents by Inventor Hiroyuki Morita

Hiroyuki Morita 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: 20240082413
    Abstract: As an antitumor drug which is excellent in terms of antitumor effect and safety, there is provided an antibody-drug conjugate in which an antitumor compound represented by the following formula is conjugated to an antibody via a linker having a structure represented by the following formula: -L1-L2-LP-NH—(CH2)n1-La-Lb-Lc- wherein the antibody is connected to the terminal of L1, and the antitumor compound is connected to the terminal of Lc with the nitrogen atom of the amino group at position 1 as a connecting position.
    Type: Application
    Filed: March 3, 2023
    Publication date: March 14, 2024
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Takeshi MASUDA, Hiroyuki NAITO, Takashi NAKADA, Masao YOSHIDA, Shinji ASHIDA, Hideki MIYAZAKI, Yuji KASUYA, Koji MORITA, Yuki ABE, Yusuke OGITANI
  • Publication number: 20240083955
    Abstract: The present invention relates to a highly contracted artificial fibroin fiber including a modified fibroin, in which a contraction percentage defined by the following equation exceeds 7%.
    Type: Application
    Filed: October 6, 2023
    Publication date: March 14, 2024
    Applicants: Spiber Inc., Kojima Industries Corporation
    Inventors: Junichi Sugahara, Keisuke Morita, Hiroyuki Nakamura
  • Patent number: 11884782
    Abstract: Provided is a resin particle that can be uniformly brought into contact with an adherend, can effectively enhance adhesion to a conductive portion and impact resistance when electrodes are electrically connected to each other using a conductive particle having the conductive portion formed on a surface thereof, and further can effectively reduce connection resistance. In the resin particle according to the present invention, an exothermic peak is observed when differential scanning calorimetry is performed by heating the resin particle at a temperature rising rate of 5° C./min from 100° C. to 350° C. in an air atmosphere.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: January 30, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroyuki Morita, Takeshi Wakiya
  • Patent number: 11688535
    Abstract: This ferrite sintered magnet comprises ferrite phases having a magnetoplumbite type crystal structure. This magnet comprises an element R, an element M, Fe, Co, B, Mn and Cr, the element R is at least one element selected from rare earth elements including Y, the element M is at least one element selected from the group consisting of Ca, Sr and Ba, with Ca being an essential element, and when an atomic composition of metallic elements is represented by R1-xMxFem-yCoy, x, y and m satisfy formulae: 0.2?x?0.8??(1) 0.1?y?0.65??(2) 3?m<14??(3). Additionally, a content of B is 0.1 to 0.4% by mass in terms of B2O3, a content of Mn is 0.15 to 1.02% by mass in terms of MnO, and a content of Cr is 0.02 to 2.01% by mass in terms of Cr2O3.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 27, 2023
    Assignee: TDK Corporation
    Inventors: Shogo Muroya, Yoshitaka Murakawa, Hiroyuki Morita, Masanori Ikeda
  • Patent number: 11664142
    Abstract: To provide a ferrite sintered magnet having a high residual magnetic flux density (Br), a high coercive force (HcJ), a good production stability, and also able to produce at a low cost. The ferrite sintered magnet includes a hexagonal M-type ferrite including A, R, Fe, and Co in an atomic ratio of A1-xRx(Fe12-yCoy)zO19. A is at least one selected from Sr, Ba, and Pb. R is La only or La and at least one selected from rare earth elements. 0.14?x?0.22, 11.60?(12-y)z?11.99, and 0.13?yz?0.17 are satisfied. 0.30?Mc?0.63 is satisfied in which Mc is CaO content (mass %) converted from a content of Ca included in the ferrite sintered magnet.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: May 30, 2023
    Assignee: TDK CORPORATION
    Inventors: Shogo Muroya, Yoshitaka Murakawa, Hiroyuki Morita, Masanori Ikeda
  • Publication number: 20230159720
    Abstract: The present invention provides a thermally expandable microcapsule that has excellent heat resistance and compression resistance and that enables the production of a foam molded article that is less likely to undergo deterioration or appearance defects over a long period of time, as well as a foamable masterbatch and a foam molded article each produced using the thermally expandable microcapsule. Provided is a thermally expandable microcapsule including a shell and a volatile expansion agent as a core agent encapsulated by the shell, the shell containing a black material and a polymer compound.
    Type: Application
    Filed: April 30, 2021
    Publication date: May 25, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroyuki MORITA, Takeshi WAKIYA, Tatsuya MATSUKUBO, Yumi KANEKO, Shuhei OBINATA
  • Publication number: 20230154642
    Abstract: A conductive composite material that includes: particles of a layered material including one or plural layers, wherein the one or plural layers include a layer body represented by: MmXn, where M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is not less than 1 and not more than 4, m is more than n but not more than 5, and a modifier or terminal T exists on a surface of the layer body, where T is at least one of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, or a hydrogen atom; and a polymer material that includes a hydrogen acceptor and a hydrogen donor, a ratio of the particles of the layered material is more than 19% by volume but not more than 95% by volume.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 18, 2023
    Inventors: Hiroyuki MORITA, Kosuke SUGIURA, Masanori ABE, Akari SEKO
  • Patent number: 11636964
    Abstract: To provide a ferrite sintered magnet having a high residual magnetic flux density (Br) and a high coercive force (HcJ), and also able to produce at a low cost. The ferrite sintered magnet includes a hexagonal M-type ferrite including A, R, Fe, and Co in an atomic ratio of A1-xRx(Fe12-yCoy)zO19. A is at least one selected from Sr, Ba, and Pb. R is La only or La and at least one selected from rare earth elements. 0.13?x?0.23, 10.80?(12?y)z?12.10, and 0.13?yz?0.20 are satisfied.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 25, 2023
    Assignee: TDK CORPORATION
    Inventors: Shogo Muroya, Yoshitaka Murakawa, Hiroyuki Morita, Masanori Ikeda
  • Patent number: 11626222
    Abstract: A ferrite sintered magnet 100 comprises M-type ferrite crystal grains 4 and multiple-crystal grain boundaries 6b surrounded by three or more of the M-type ferrite crystal grains 4. The ferrite sintered magnet 100 contains at least Fe, Ca, B, and Si, and contains 0.005 to 0.9 mass % of B in terms of B2O3. The multiple-crystal grain boundaries 6b contain Si and Ca, and in a case where the molar ratio of Ca to Si in the multiple-crystal grain boundaries 6b is represented by (Ca/Si)G, the following formula is satisfied. 0.1<(Ca/Si)G<0.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: April 11, 2023
    Assignee: TDK Corporation
    Inventors: Yoshitaka Murakawa, Hiroyuki Morita, Masanori Ikeda, Shogo Muroya, Tomokazu Ishikura
  • Patent number: 11615901
    Abstract: A ferrite sintered magnet comprises a plurality of main phase grains containing a ferrite having a hexagonal structure, wherein at least some of the main phase grains are core-shell structure grains each having a core and a shell covering the core; and wherein the minimum value of the content of La in the core is [La]c atom %; the minimum value of the content of Co in the core is [Co]c atom %; the maximum value of the content of La in the shell is [La]s atom %; the maximum value of the content of Co in the shell is [Co]s atom %; [La]c+[Co]c is 3.08 atom % or more and 4.44 atom % or less; and [La]s+[Co]s is 7.60 atom % or more and 9.89 atom % or less.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: March 28, 2023
    Assignee: TDK Corporation
    Inventors: Hiroyuki Morita, Masanori Ikeda, Yoshitaka Murakawa, Shogo Muroya
  • Patent number: 11610705
    Abstract: A ferrite sintered magnet comprising an M type Sr ferrite having a hexagonal structure as a main phase, wherein the ferrite sintered magnet does not substantially comprise a rare earth element and Co, a content of B is 0.005 to 0.9% by mass in terms of B2O3, and a content of Zn is 0.01 to 1.2% by mass in terms of ZnO.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: March 21, 2023
    Assignee: TDK Corporation
    Inventors: Yoshitaka Murakawa, Shogo Muroya, Hiroyuki Morita, Masanori Ikeda
  • Patent number: 11599074
    Abstract: The power information management device is directly or indirectly connected to a communication network and is provided with: wiring that transmits power; a power measurement unit that measures an amount and a direction of the power transmitted through the wiring; a power information generation unit that generates, on a predetermined period basis, power information that represents the amount and the direction of the power measured by the power measurement unit; and a communication unit that transmits the power information to the communication network, wherein a load unit, a power generation unit and a power storage unit are directly or indirectly connectable to the wiring.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: March 7, 2023
    Inventor: Hiroyuki Morita
  • Patent number: 11600412
    Abstract: A ferrite sintered magnet 100 comprises M-type ferrite crystal grains 4 and multiple-crystal grain boundaries 6b surrounded by three or more of the M-type ferrite crystal grains 4. The ferrite sintered magnet 100 contains at least Fe, Ca, B, and Si, and contains 0.005 to 0.9 mass % of B in terms of B2O3. The multiple-crystal grain boundaries 6b contain Si and Ca, and in a case where the molar ratio of Ca to Si in the multiple-crystal grain boundaries 6b is represented by (Ca/Si)G, the following formula is satisfied. 0.1<(Ca/Si)G<0.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: March 7, 2023
    Assignee: TDK Corporation
    Inventors: Yoshitaka Murakawa, Hiroyuki Morita, Masanori Ikeda, Shogo Muroya, Tomokazu Ishikura
  • Patent number: 11557412
    Abstract: A ferrite sintered magnet comprising an M type Sr ferrite having a hexagonal structure as a main phase, wherein the ferrite sintered magnet comprises La and Co, a content of B is 0.005 to 0.9% by mass in terms of B2O3, a content of Zn is 0.01 to 1.2% by mass in terms of ZnO, and the ferrite sintered magnet satisfies [La]/[Zn]?0.79 and [Co]/[Zn]?0.67 when an atomic concentration of La is represented by [La], an atomic concentration of Co is represented by [Co], and an atomic concentration of Zn is represented by [Zn].
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: January 17, 2023
    Assignee: TDK Corporation
    Inventors: Yoshitaka Murakawa, Shogo Muroya, Hiroyuki Morita, Masanori Ikeda
  • Patent number: 11532413
    Abstract: A ferrite sintered magnet 100 comprises M-type ferrite crystal grains 4 having a hexagonal structure, two-crystal grain boundaries 6a formed between two of the M-type ferrite crystal grains 4, and multiple-crystal grain boundaries 6b surrounded by three or more of the M-type ferrite crystal grains 4. This ferrite sintered magnet 100 contains at least Fe, Ca, B, and Si, and contains B in an amount of 0.005 to 0.9 mass % in terms of B2O3, the two-crystal grain boundaries 6a and the multiple-crystal grain boundaries 6b contain Si and Ca, and in a cross-section parallel to a c-axis of the ferrite sintered magnet, when the number of multiple-crystal grain boundaries 6b having a maximum length of 0.49 to 5 ?m per cross-sectional area of 76 ?m2 is N, N is 7 or less.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: December 20, 2022
    Assignee: TDK Corporation
    Inventors: Yoshitaka Murakawa, Shogo Muroya, Hiroyuki Morita, Masanori Ikeda
  • Patent number: 11521769
    Abstract: A ferrite sintered magnet 100 comprises M-type ferrite crystal grains 4 having a hexagonal crystal structure, two-crystal grain boundaries 6a formed between two of the M-type ferrite crystal grains 4, and multiple-crystal grain boundaries 6b surrounded by three or more of the M-type ferrite crystal grains 4. This ferrite sintered magnet 100 contains at least Fe, Ca, B, and Si, and contains B in an amount of 0.005 to 0.9 mass % in terms of B2O3, the two-crystal grain boundaries 6a and the multiple-crystal grain boundaries 6b contain Si and Ca, and in a cross-section parallel to a c-axis of the ferrite sintered magnet, when the number of multiple-crystal grain boundaries having a maximum length of 0.088 or more and less than 0.49 ?m per cross-sectional area of 76 ?m2 is P, P is 8 or more.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: December 6, 2022
    Assignee: TDK Corporation
    Inventors: Yoshitaka Murakawa, Shogo Muroya, Hiroyuki Morita, Masanori Ikeda
  • Patent number: 11503230
    Abstract: An image pickup device according to an embodiment includes pixels each configured to output an analog signal based on electric charges produced in a photoelectric conversion unit and a control unit configured to control a gain applied to the analog signal to be at least a first gain and a second gain greater than the first gain in accordance with a signal value of the analog signal. Each of the pixels outputs, as the analog signal, a first signal and a second signal based on electric charges produced in the photoelectric conversion unit in a first exposure period and a second exposure period shorter than the first exposure period. The control unit controls the gain applied to the analog signal by selecting one from the first gain and the second gain in accordance with the signal value, for at least one of the first signal and the second signal.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: November 15, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tetsuya Itano, Shoji Kono, Hideo Kobayashi, Hiroyuki Morita, Yasuhiro Oguro, Kei Ochiai
  • Patent number: 11488752
    Abstract: The present invention provides a ferrite sintered magnet comprising ferrite crystal grains having a hexagonal structure, wherein the ferrite sintered magnet comprises metallic elements at an atomic ratio represented by formula (1). In formula (1), R is at least one element selected from the group consisting of Bi and rare-earth elements, and R comprises at least La. In formula (1), w, x, z and m satisfy formulae (2) to (5). The above-mentioned ferrite sintered magnet further has a coefficient of variation of a size of the crystal grains in a section parallel to a c axis of less than 45%. Ca1-w-xRwSrxFezCom??(1) 0.360?w?0.420??(2) 0.110?x?0.173??(3) 8.51?z?9.71??(4) 0.208?m?0.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: November 1, 2022
    Assignee: TDK Corporation
    Inventors: Tomokazu Ishikura, Masanori Ikeda, Yoshitaka Murakawa, Hiroyuki Morita, Shogo Muroya
  • Patent number: 11476023
    Abstract: A ferrite sintered magnet including ferrite grains having a hexagonal crystal structure. The ferrite grains satisfy 0.56?W?0.68 where W is an average value of circularities of the ferrite grains in a cross section parallel to an axis of easy magnetization.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: October 18, 2022
    Assignee: TDK CORPORATION
    Inventors: Masanori Ikeda, Hiroyuki Morita, Yoshitaka Murakawa, Shogo Muroya
  • Patent number: 11456096
    Abstract: There is provided a ferrite sintered magnet having a high residual magnetic flux density. A ferrite sintered magnet 2 includes a plurality of main phase particles 5 including ferrite having a hexagonal structure, the number of core-shell structured particles 5A having a core 7 and a shell 9 covering the core 7, among the main phase particles 5, is smaller than the number of the main phase particles 5 other than the core-shell structured particles 5A.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: September 27, 2022
    Assignee: TDK Corporation
    Inventors: Hiroyuki Morita, Masanori Ikeda, Yoshitaka Murakawa, Taku Murase