Patents by Inventor Tomoyuki Iwamoto

Tomoyuki Iwamoto 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).

  • Patent number: 11981100
    Abstract: A tire vulcanization system is configured to deliver a vulcanized tire carried out from a vulcanizer by a tire conveyance device to a PCI device at a first position, and attaches an upper lid. The PCI device mounted with the upper lid is moved from the first position to a second position by a PCI moving portion. The tire conveyance device is configured to receive the raw tire disposed above the PCI device moved to the second position and carry the raw tire into the vulcanizer.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: May 14, 2024
    Assignees: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD., BRIDGESTONE CORPORATION
    Inventors: Tomoyuki Iwamoto, Hideki Fukuda, Yoshikatsu Hineno, Naoto Okudomi, Takeshi Fukui, Satoshi Ochiai, Akihiko Hajikano
  • Patent number: 11963489
    Abstract: A gardening trimmer may include: a conversion mechanism for converting rotational motion of a prime mover to linear motion along a first direction; a blade for moving in reciprocating motion relative to a guide bar and including a plurality of slots; and a plurality of guide members each disposed in a corresponding slot of the plurality of slots of the blade. The plurality of slots may include: at least one first slot in which a corresponding guide member of the guide members that is connected to a housing is disposed. A combination of the slots and the guide members may include: a first combination to reduce frictional resistance generated by the reciprocating motion; and a second combination to reduce vibration generated by the reciprocating motion, and at least one combination of the at least one first slot and its corresponding guide member is the second combination.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: April 23, 2024
    Assignee: MAKITA CORPORATION
    Inventors: Mikihiro Kitahara, Tomoyuki Kutsuna, Nozomu Iwamoto, Tomoyuki Ota
  • Publication number: 20230416175
    Abstract: An object is to provide an efficient method for producing HFC-143 or HFO-1132. Provided as a means for solution is a method for producing 1,1,2-trifluoroethane (HFC-143), comprising subjecting 1,1,2-trifluoroethylene to a reduction reaction with a reducing agent in the presence of a catalyst to obtain HFC-143.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuhiro TAKAHASHI, Takehiro CHAKI, Tsubasa NAKAUE, Tomoyuki IWAMOTO, Megumi KUSHIDA
  • Patent number: 11691935
    Abstract: The production method according to the present disclosure comprises obtaining a product containing the fluoroethane from a fluoroethylene by a reaction in the presence of catalysts. Each catalyst is formed by supporting a noble metal on a carrier. A reactor for performing the reaction is filled with a catalyst having a noble metal concentration of C1 mass % based on the entire catalyst and a catalyst having a noble metal concentration of C2 mass % based on the entire catalyst to form an upstream portion and a downstream portion, respectively; and C1<C2. The reaction is performed by bringing the fluoroethylene represented by formula (3) and hydrogen gas into contact with the upstream portion and the downstream portion in this order.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: July 4, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki Iwamoto, Takashi Usui, Takehiro Chaki, Tsubasa Nakaue, Kazuhiro Takahashi
  • Publication number: 20230202951
    Abstract: The present disclosure provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present disclosure provides a method for purifying 1,2-difluoroethylene, which is HFO-1132, the method comprising, in this order, step 1 of bringing a composition comprising trans-1,2-difluoroethylene, which is HFO-1132(E), and water into contact with a zeolite having an average pore size of 2 to 4 Å to reduce the water content from the composition; and step 2 of recovering a purified product containing HFO-1132(E) and a reduced content of water, and containing less than 0.1% by volume of HFO-1132 (Z).
    Type: Application
    Filed: February 28, 2023
    Publication date: June 29, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Kazuhiro TAKAHASHI, Tomoyuki IWAMOTO
  • Patent number: 11618724
    Abstract: The present disclosure provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present disclosure provides a method for purifying 1,2-difluoroethylene, which is HFO-1132, the method comprising, in this order, step 1 of bringing a composition comprising trans-1,2-difluoroethylene, which is HFO-1132(E), and water into contact with a zeolite having an average pore size of 2 to 4 ? to reduce the water content from the composition; and step 2 of recovering a purified product containing HFO-1132(E) and a reduced content of water, and containing less than 0.1% by volume of HFO-1132(Z).
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: April 4, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi Usui, Kazuhiro Takahashi, Tomoyuki Iwamoto
  • Publication number: 20230096389
    Abstract: An object of the present invention is to provide a method for efficiently obtaining fluoroethyelene. A method for producing HFO-1132(Z/E) comprising reacting a halogenated ethylene represented by formula (1): CHX1?CHX2 (1), wherein X1 and X2 are identical or different, and each represents chlorine, bromine, or iodine, with a metal fluoride. A method for producing HFO-1123, comprising reacting a halogenated ethylene represented by formula (2): CX3X4?CHX5 (2), wherein X3, X4, and X5 are identical or different, and each represents chlorine, bromine, or iodine, with a metal fluoride.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 30, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Tsubasa NAKAUE, Tomoyuki IWAMOTO
  • Publication number: 20230101465
    Abstract: An object of the present invention is to provide a method for efficiently obtaining fluoroethylene A method for producing at least one fluoroethylene compound selected from the group consisting of HFO-1132(Z/E), HFO-1132a, and HFO-1123, wherein the method comprises reacting at least one fluoroethane compound selected from the group consisting of HFC-134, HFC-134a, and HFC-125 with hydrogen (H2).
    Type: Application
    Filed: November 21, 2022
    Publication date: March 30, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Tomoyuki IWAMOTO, Tsubasa NAKAUE, Yuzo KOMATSU
  • Patent number: 11560345
    Abstract: Provided are a method for producing a fluoroethane, which is the desired product, with high selectivity; and a method for producing a fluoroolefin. The production method according to the present disclosure comprises obtaining a product comprising a fluoroethane represented by CX1X2FCX3X4X5 (wherein X1, X2, X3, X4, and X5 are the same or different and each represents a hydrogen atom, a fluorine atom, or a chlorine atom; and at least one of X1, X2, X3, X4, and X5 represents a hydrogen atom) from a fluoroethylene by a reaction in the presence of at least one catalyst in at least one reactor. The reaction is performed by introducing a starting material gas comprising the fluoroethylene into the reactor, and the water content in the starting material gas is 150 ppm by mass or less based on the total mass of the starting material gas.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: January 24, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki Iwamoto, Takashi Usui, Takehiro Chaki, Kazuhiro Takahashi, Tsubasa Nakaue
  • Publication number: 20220402064
    Abstract: A joining device includes: a pair of pressing members disposed to face each other to sandwich joining target members from both sides in a stacking direction of the joining target members and configured to press the joining target members; and power supply members disposed on one or both sides in the stacking direction of the joining target members to sandwich a pressing target portion of the joining target members by the pressing members and configured to come into contact with and supply power to the joining target members. The power supply members are provided at positions not overlapping the pressing members in the stacking direction of the joining target members, and the pressing members press the joining target members while the power supply members supply power to the joining target members, thereby generating resistance heat in the pressing target portion and joining the joining target members.
    Type: Application
    Filed: May 16, 2022
    Publication date: December 22, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Kojiro YAMAGUCHI, Yoshihito FUKU, Motonori MORIWAKI, Tomoyuki IWAMOTO, Masanori NAKAI, Naoki UJIHIRA, Hiroki SATO, Yasunari MIYAMOTO, Yudai KOBATAKE
  • Patent number: 11377406
    Abstract: The production method according to the present disclosure comprises obtaining a product comprising a fluoroethane from a fluoroethylene by a reaction in the presence of at least one catalyst. The reaction is performed in two or more reaction zones. Each reaction zone comprises a catalyst, and the fluoroethylene is supplied to each reaction zone to perform the reaction.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: July 5, 2022
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki Iwamoto, Takashi Usui, Takehiro Chaki, Kazuhiro Takahashi, Tsubasa Nakaue
  • Publication number: 20220161512
    Abstract: In a tire vulcanization system, a raw tire is carried into a lower mold by a tire conveyance device in a state where a vulcanized tire is hung by a tire hanging portion at an open position where a mold is opened. The tire conveyance device receives and carries out the vulcanized tire hung by the tire hanging portion in a state where the raw tire is carried into the lower mold.
    Type: Application
    Filed: February 20, 2019
    Publication date: May 26, 2022
    Inventors: Tomoyuki IWAMOTO, Hideki FUKUDA, Yoshikatsu HINENO, Naoto OKUDOMI, Akihiko HAJIKANO, Takeshi FUKUI
  • Publication number: 20220153664
    Abstract: Provided is a method for producing an olefin compound using reaction with a base, whereby a target product with a higher purity than the prior art can be obtained. Specifically, provided is a method for producing an olefin compound by reacting a phosphorus-containing olefin compound salt with a base to obtain a dephosphorized and hydrogenated olefin compound, wherein the temperature of the reaction is 50° C. or less.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuko ITO, Tsubasa NAKAUE, Takehiro CHAKI, Takashi USUI, Tomoyuki IWAMOTO, Megumi KUSHIDA
  • Publication number: 20220144864
    Abstract: Provided is a method for purifying a phosphorus-containing olefin compound salt as a raw material or an intermediate that is useful to increase the purity of a target product in a method for producing an olefin compound and that can be applied to the production method, and a method for producing an olefin compound using a purified product obtained thereby.
    Type: Application
    Filed: January 26, 2022
    Publication date: May 12, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuko ITO, Tsubasa NAKAUE, Takehiro CHAKI, Takashi USUI, Tomoyuki IWAMOTO, Megumi KUSHIDA
  • Publication number: 20220143943
    Abstract: A mold container device includes a state switching mechanism is switchable between a movement restricting state that restricts a segment from moving in a radial direction and a movable state that allows the segment to move in the radial direction.
    Type: Application
    Filed: February 20, 2019
    Publication date: May 12, 2022
    Inventors: Tomoyuki IWAMOTO, Hideki FUKUDA, Yoshikatsu HINENO, Naoto OKUDOMI, Akihiko HAJIKANO, Takeshi FUKUI
  • Publication number: 20220134605
    Abstract: A mold container device includes a plurality of segments, an outer ring, and a conversion mechanism. The conversion mechanism connects the outer ring and the segment. The conversion mechanism moves the segment in a radial direction between a first position and a second position outside the first position in the radial direction, according to displacement of the outer ring in the direction of the axis O. The conversion mechanism further swings one of a lower edge portion and an upper edge portion of the segment in the radial direction, according to displacement of the outer ring in the direction of the axis O.
    Type: Application
    Filed: February 20, 2019
    Publication date: May 5, 2022
    Inventors: Tomoyuki IWAMOTO, Hideki FUKUDA, Yoshikatsu HINENO, Naoto OKUDOMI, Yu WAKEBE, Taishi TAKENAKA
  • Publication number: 20220032565
    Abstract: A tire vulcanization system is configured to deliver a vulcanized tire carried out from a vulcanizer by a tire conveyance device to a PCI device at a first position, and attaches an upper lid. The PCI device mounted with the upper lid is moved from the first position to a second position by a PCI moving portion. The tire conveyance device is configured to receive the raw tire disposed above the PCI device moved to the second position and carry the raw tire into the vulcanizer.
    Type: Application
    Filed: February 20, 2019
    Publication date: February 3, 2022
    Inventors: Tomoyuki IWAMOTO, Hideki FUKUDA, Yoshikatsu HINENO, Naoto OKUDOMI, Takeshi FUKUI, Satoshi OCHIAI, Akihiko HAJIKANO
  • Publication number: 20210340082
    Abstract: Provided are a method for producing a fluoroethane, which is the desired product, with high selectivity; and a method for producing a fluoroolefin. The production method according to the present disclosure comprises obtaining a product comprising a fluoroethane represented by CX1X2FCX3X4X5 (wherein X1, X2, X3, X4, and X5 are the same or different and each represents a hydrogen atom, a fluorine atom, or a chlorine atom; and at least one of X1, X2, X3, X4, and X5 represents a hydrogen atom) from a fluoroethylene by a reaction in the presence of at least one catalyst in at least one reactor. The reaction is performed by introducing a starting material gas comprising the fluoroethylene into the reactor, and the water content in the starting material gas is 150 ppm by mass or less based on the total mass of the starting material gas.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki IWAMOTO, Takashi USUI, Takehiro CHAKI, Kazuhiro TAKAHASHI, Tsubasa NAKAUE
  • Patent number: 11155051
    Abstract: A tire vulcanizing method comprises: a step of causing a connecting body, at which an upper mold of a vulcanization mold is supported and that connects together upper end portions of upper tubes of a plurality of supporting pillars, the supporting pillars being disposed so as to be apart in a peripheral direction at a periphery of the vulcanization mold, which is formed from a lower mold and the upper mold, which is set above the lower mold, and the supporting pillars having lower tubes that are hollow and the upper tubes, which are hollow and are slidably engaged with the lower tubes, and the supporting pillars extending in a vertical direction, to, together with the upper tubes and the upper mold, approach the lower mold, and close the vulcanization mold; and a step of vulcanizing an unvulcanized tire that is accommodated at an interior of the vulcanization mold that is closed, wherein the causing the connecting body, the upper tubes and the upper mold to approach the lower mold is carried out by operating
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: October 26, 2021
    Assignees: BRIDGESTONE CORPORATION
    Inventors: Takeshi Fukui, Tomoyuki Iwamoto, Hideki Fukuda, Yoshikatsu Hineno
  • Publication number: 20210323899
    Abstract: The present disclosure provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present disclosure provides a method for purifying 1,2-difluoroethylene, which is HFO-1132, the method comprising, in this order, step 1 of bringing a composition comprising trans-1,2-difluoroethylene, which is HFO-1132(E), and water into contact with a zeolite having an average pore size of 2 to 4 ? to reduce the water content from the composition; and step 2 of recovering a purified product containing HFO-1132(E) and a reduced content of water, and containing less than 0.1% by volume of HFO-1132(Z).
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Kazuhiro TAKAHASHI, Tomoyuki IWAMOTO