Patents by Inventor Takeshi Hashimoto

Takeshi Hashimoto 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: 20250214843
    Abstract: There is provided a novel method capable of producing high-purity single-walled carbon nanotubes with high efficiency, without concern for a decrease in the strength of a reaction tube. A method for producing carbon nanotubes by floating catalyst chemical vapor deposition (FC-CVD), comprising the step of producing carbon nanotubes by heating a feed for carbon nanotubes in the presence of an iron-containing catalyst and an alkali metal compound.
    Type: Application
    Filed: March 29, 2023
    Publication date: July 3, 2025
    Applicants: OSAKA SODA CO., LTD., MEIJO NANO CARBON CO., LTD.
    Inventors: Daigo HIRAYAMA, Akifumi NAKAGAWA, Naoshi TANIYAMA, Takeshi HASHIMOTO, Kei TAKANO
  • Publication number: 20250199427
    Abstract: A toner is provided, which has a toner particle including a binder resin and inorganic fine particles, wherein the binder resin includes a crystalline vinyl resin having a specific monomer unit having at least two long-chain alkyl groups, the content of the specific monomer unit is at least 5.0% by mass, based on the mass of the crystalline vinyl resin, the inorganic fine particles each have on a surface thereof alkyl groups, and the content of the inorganic fine particles is 0.10% by mass to 15.00% by mass, based on the mass of the toner particle.
    Type: Application
    Filed: December 6, 2024
    Publication date: June 19, 2025
    Inventors: GAKU SATO, JUNICHI TAMURA, HAYATO IDA, TAKESHI HASHIMOTO
  • Publication number: 20250199426
    Abstract: A toner having a toner particle including a binder resin, wherein the binder resin includes a crystalline vinyl resin having a specific monomer unit having at least two long-chain alkyl groups, the crystalline vinyl resin contains at least 5.0% by mass of the specific monomer unit having at least two long-chain alkyl groups, based on the mass of the crystalline vinyl resin, the toner particle contains at least one polyvalent metal selected from the group consisting of Mg, Ca, Al, and Zn, and a content ratio of the polyvalent metal in the toner particle is 25 ppm by mass to 500 ppm by mass.
    Type: Application
    Filed: December 6, 2024
    Publication date: June 19, 2025
    Inventors: JUNICHI TAMURA, TAKESHI HASHIMOTO, GAKU SATO, HAYATO IDA
  • Patent number: 12332599
    Abstract: A toner comprising a toner particle containing a binder resin and an inorganic fine particle, wherein the binder resin contains a crystalline resin, the crystalline resin has a first monomer unit represented by the following formula (1), the inorganic fine particle is at least one inorganic fine particle selected from the group consisting of a particle containing CaCO3, a particle containing BaSO4, a particle containing Mg3Si4O10(OH)2, and a particle containing Al2Si2O5(OH)4, the inorganic fine particle is treated with a fatty acid, and a content B of the inorganic fine particle in the toner particle is 1.0 mass % or more to 15.0 mass % or less, wherein RZ1 represents a hydrogen atom or a methyl group, and R1 represents an alkyl group having 18 to 36 carbon atoms.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: June 17, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Miki Ueda, Takeshi Hashimoto, Kazuki Murata, Megumi Shino, Yukihiro Abe, Hayato Ida
  • Patent number: 12326691
    Abstract: A toner comprising a toner particle comprising a binder resin, wherein the binder resin comprises a first resin and a second resin, the first resin is a crystalline resin, the second resin is an amorphous resin, and in observations of cross sections of 100 toner particles using a transmission electron microscope, (i) when an area ratio A (area %) denotes a ratio of an area occupied by the first resin in each of cross sections of the toner particles, an average value of the area ratio A is 30 to 75 area %, and (ii) when X denotes the number of cross sections of the toner particle for which the area ratio A is 90 area % or more and Z denotes the total number of cross sections of observed toner particles, then a value of X/Z is 0.15 or more.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: June 10, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Hashimoto, Kazuki Murata, Yukihiro Abe, Miki Ueda, Hayato Ida
  • Patent number: 12326690
    Abstract: A toner comprising a toner particle comprising a binder resin, wherein the binder resin comprises a first resin and a second resin, the first resin is a crystalline resin, the second resin is an amorphous resin, in an observation of a cross section of the toner particle with a transmission electron microscope, a matrix-domain structure composed of a matrix comprising the first resin and domains comprising the second resin is present, an area ratio occupied by the matrix in a total area of the matrix and the domains is from 35 area % to 70 area %, a [hydrocarbon group index (Ge)]/[hydrocarbon group index (DIA)] after washing the toner with hexane is 1.10 or more.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: June 10, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazuki Murata, Takeshi Hashimoto, Yukihiro Abe, Miki Ueda, Hayato Ida
  • Patent number: 12275269
    Abstract: Provided is a thermochromic writing instrument, including thermochromic ink; and a friction unit configured to cause handwriting in the thermochromic ink to undergo a thermochromic change by frictional heat. The thermochromic ink includes a metallic luster pigment added thereto. The thermochromic writing instrument is provided with an attachment hole to attach the friction unit. The friction unit includes an attachment portion to be inserted into the attachment hole and a friction portion in a convex curved surface shape projecting from the attachment hole. The friction portion has a volume Ve and the metallic luster pigment has a volume Vp, the volume Ve and the volume Vp satisfying 5 ? Ve/Vp ? 35, the friction portion 32 has a maximum outer diameter D and a projection length L, the diameter D and the length L satisfying 0.1 ? L/D ? 1.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: April 15, 2025
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Takeshi Hashimoto
  • Patent number: 12271151
    Abstract: A toner comprising a toner particle comprising a binder resin and a release agent, wherein the binder resin comprises a first resin and a second resin; the first resin is a crystalline resin having a melting point Tp of 50° C. to 90° C.; the second resin is an amorphous resin; in a cross section of the toner particle observed by a transmission electron microscope, the cross section of the toner particle has a matrix-domain structure composed of a matrix comprising the first resin and domains comprising the second resin; an area ratio of the matrix comprising the first resin in a total area of the cross section of the toner particle is 35 to 70 area %; and where a longest direction of each of the domains is taken as a longitudinal direction, a standard deviation of an angle of the longitudinal direction of the domains is 25° or less.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: April 8, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yukihiro Abe, Takeshi Hashimoto, Kazuki Murata, Miki Ueda, Hayato Ida
  • Patent number: 12230415
    Abstract: The electrode structure for electronic devices according to the present invention comprises a powdered electrode material, and carbon nanotubes having a volume resistivity of not more than 2×10?2 ?·cm.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: February 18, 2025
    Assignee: Meijo Nano Carbon Co., Ltd.
    Inventors: Takeshi Hashimoto, Takumi Yana
  • Patent number: 12195287
    Abstract: A robot system of the present invention includes: a first hand including first holders, a first link structure, and a first engager; a second hand including second holders, a second link structure, and a second engagement receiver; a first arm to which the first hand is connected; a second arm to which the second hand is connected; and a controller configured to perform: (A) operating the first arm and/or the second arm to engage the first engager with the second engagement receiver; and (B) operating the first arm to change a distance between the first holders after performing (A).
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: January 14, 2025
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takeshi Hashimoto, Kazunori Hirata, Toshiyuki Tsujimori
  • Patent number: 12162144
    Abstract: A substrate assembling device includes a first end effector attached to a first arm, a second end effector attached to a second arm, and a controller. The second end effector includes a pair of grippers configured to grip a second substrate, and a placing part where threaded elements are placed. The controller is adapted to control operations of the first arm and the second arm to position the second substrate on a first substrate while gripping the second substrate, by using the pair of grippers of the second end effector, and hold the threaded element placed on the placing part of the second end effector and fasten the held threaded element, by using the first end effector, to join the first substrate and the second substrate together.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 10, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takeshi Hashimoto, Keita Sasaki
  • Patent number: 12128556
    Abstract: A robot system includes: a hand that holds an article; an arm that moves the hand; and a first contacting portion with which a first foldable portion of the article is brought into contact during a first folding process that is a process of folding the first foldable portion in a state where the article is held by the hand. The hand includes: a base that is connected to the arm; and a holder that is rotatable relative to the base and holds the article by adhesion. During the first folding process, the hand and the arm fold the first foldable portion by rotating the holder while keeping the first foldable portion in contact with the first contacting portion.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: October 29, 2024
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KYOTO SEISAKUSHO CO., LTD.
    Inventors: Takeshi Hashimoto, Shogo Kubota, Hiroto Kitaura, Takashi Sasaki
  • Patent number: 12087960
    Abstract: The battery pack includes cylindrical battery, a circuit board, and an exterior case including first case and second case. First case has a curved portion along an outer peripheral surface of cylindrical battery and first vertical wall connected to an end edge of the curved portion. Second case has second vertical wall connected to first vertical wall. First vertical wall has fitting protrusion protruding from opposed surface facing second vertical wall. Second vertical wall has fitting groove that is formed in opposed surface facing first vertical wall and that guides fitting protrusion. Fitting protrusion is guided into fitting groove, and first vertical wall and second vertical wall are welded together. First vertical wall has inner surface in a concave shape along a surface of cylindrical battery, and a leading end portion with opposed surface, being thicker than curved portion.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: September 10, 2024
    Assignee: PANASONIC ENERGY CO., LTD.
    Inventor: Takeshi Hashimoto
  • Publication number: 20240246790
    Abstract: A carbon nanotube collection apparatus includes: a collection room having an opening part communicating with a carbon nanotube production apparatus; a winding member arranged inside the collection room and configured to wind a carbon nanotube passed through the opening part from the carbon nanotube production apparatus to form a carbon nanotube wound body; and a separation mechanism configured to move the carbon nanotube wound body from a base end side toward a tip end side of the winding member to separate the carbon nanotube wound body from the winding member.
    Type: Application
    Filed: September 28, 2022
    Publication date: July 25, 2024
    Applicants: DOWA THERMOTECH CO., LTD., MEIJO NANO CARBON CO., LTD., OSAKA SODA CO., LTD.
    Inventors: Shinya CHOU, Maya KAMIOKA, Takahiro FUJITA, Takeshi HASHIMOTO, Kei TAKANO, Hisato KAGAWA
  • Publication number: 20240219854
    Abstract: A toner comprises a toner particle that contains a binder resin having a crystalline resin and an amorphous resin, and a wax, wherein a matrix-domain structure made up of a matrix including the crystalline resin, and domains including the amorphous resin, is present in a cross-sectional observation of the toner, the crystalline resin has a specific monomer unit, in a differential curve, which is obtained through differentiation of a temperature-storage elastic modulus curve by temperature, with temperature being a horizontal axis and a common logarithm Log G? of a storage elastic modulus G? being a vertical axis as obtained in a viscoelasticity measurement of the toner, the differential curve has specific minimal values P1 and P2 within specific temperature ranges, and has storage elastic moduli G? at the temperatures of the minimal values P1 and P2 lie in respective specific ranges.
    Type: Application
    Filed: December 18, 2023
    Publication date: July 4, 2024
    Inventors: MEGUMI SHINO, TAKESHI HASHIMOTO, GAKU SATO, HAYATO IDA
  • Publication number: 20240167996
    Abstract: A test substance detection method includes: a step A in which a sample containing a test substance and water, a compound having a structure in which a response site and a recognition site are connected via a spacer, and a surfactant are added; and a step B in which the recognition site and the test substance interact and a response at the response site arising from the interaction is detected. Further, also provided are: a purified water production method and an injection water production method both using the foregoing; a detection agent composition containing a compound represented by Formula (1) and a surfactant; and a detection apparatus, a purified water production facility, and an injection water production facility, all using the foregoing.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 23, 2024
    Applicants: Nomura Micro Science Co., Ltd., Sophia School Corporation
    Inventors: Hiroshi KIMOTO, Masamitsu IIYAMA, Yu EBISAWA, Takeshi HASHIMOTO, Takashi HAYASHITA
  • Publication number: 20240149467
    Abstract: A robot system includes a jacket-type sensor including a detector included in a jacket and configured to detect a touch on the jacket; and a sensor wiring-line set configured to transmit a detection result from the detector. The sensor wiring-line set is arranged inside the robot arm.
    Type: Application
    Filed: March 9, 2022
    Publication date: May 9, 2024
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takeshi HASHIMOTO, Rikuya UEKAJI, John Bright PRAKASH, Shuhei ISHIKAWA
  • Patent number: 11975450
    Abstract: A transfer robot transfers workpieces while sucking upper surfaces of the workpieces. The transfer robot includes a first hand body attached to a first robotic arm, a second hand body attached to a second robotic arm, a first suction part attached to the first hand body, and a second suction part attached to the second hand body. The first suction part has a pair of suction bodies, the pair of suction bodies extending in a horizontal first direction and separated from each other in a horizontal second direction perpendicular to the first direction. The second suction part has at least one suction body extending in the first direction, and the one suction body is changeable in an entering amount into an area between the pair of suction parts of the first suction part according to a relative movement of the second hand body in the first direction.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: May 7, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Eiji Yoshikuwa, Toshiyuki Tsujimori, Kazunori Hirata, Takeshi Hashimoto
  • Patent number: 11914325
    Abstract: A toner comprising a toner particle comprising a binder resin and a wax, wherein the binder resin comprises an amorphous polyester resin and a polymer A, contents of the amorphous polyester resin and the polymer A in the binder resin are within specific ranges, the polymer A comprises a first monomer unit in which ester (meth)acrylates comprising 18 to 36 carbon atoms are polymerized, a content ratio of the first monomer unit in the polymer A is within specific range, the toner comprises a matrix-domain structure comprising a matrix comprising the amorphous polyester resin and domains, and the domains comprise a domain A comprising at least 80 mass % of the polymer A and a domain B comprising at least 80 mass % of the wax.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: February 27, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Hashimoto, Kentaro Kamae, Takeshi Ohtsu, Hayato Ida
  • Patent number: 11855298
    Abstract: A cell module includes a plurality of cylindrical batteries and a holder composed by arranging each of cylindrical batteries in a parallel posture. The holder includes: a holder body having holding spaces for arranging cylindrical batteries at fixed positions; and a sub holder stacked on the holder body. The holder body has stopper portions deformed toward surfaces of cylindrical batteries arranged in holding spaces. The sub holder has push rods that push out stopper portions to cylindrical batteries in a state of being coupled to the holder body. In a state in which the sub holder is coupled to the holder body, in the cell module, the push rods thrust stopper portions against cylindrical batteries, and press the surfaces of cylindrical batteries arranged in holding spaces.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: December 26, 2023
    Assignee: PANASONIC ENERGY CO., LTD.
    Inventors: Satoshi Kawakami, Takeshi Hashimoto, Haruhiko Yoneda, Masaya Nakano, Takao Takatsu