Patents by Inventor Yuji Tsujiura

Yuji Tsujiura 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: 11957642
    Abstract: An internal substance supplier includes a conveying mechanism including a conveying member configured to capture and convey an internal substance, and a supply mechanism including a scraping member disposed to cross a conveyance route of the substance by the conveying member in the conveying mechanism and configured to collide with the substance conveyed by the conveying member, a gliding member including a recessed groove configured to guide the substance colliding with the scraping member and scraped from the conveying member, to be adjacent to a position vertically above a die bore in a table in a compression-molding machine, and a push transfer member including a projection configured to come into contact with the substance, push the substance to a start edge of the recessed groove in the gliding member, and move along the recessed groove to transfer the substance to an end edge of the recessed groove.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: April 16, 2024
    Assignees: KIKUSUI SEISAKUSHO LTD., OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Yuji Tsujiura, Tomohiro Kakitani, Shohei Yamada, Akihiro Sawada, Shinshu Unida
  • Publication number: 20230338238
    Abstract: An internal substance supplier includes a conveying mechanism including a conveying member configured to capture and convey an internal substance, and a supply mechanism including a scraping member disposed to cross a conveyance route of the substance by the conveying member in the conveying mechanism and configured to collide with the substance conveyed by the conveying member, a gliding member including a recessed groove configured to guide the substance colliding with the scraping member and scraped from the conveying member, to be adjacent to a position vertically above a die bore in a table in a compression-molding machine, and a push transfer member including a projection configured to come into contact with the substance, push the substance to a start edge of the recessed groove in the gliding member, and move along the recessed groove to transfer the substance to an end edge of the recessed groove.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 26, 2023
    Inventors: Yuji TSUJIURA, Tomohiro KAKITANI, Shohei YAMADA, Akihiro SAWADA, Shinshu UNIDA
  • Patent number: 11577434
    Abstract: A rotary compression-molding machine includes a lower punch-retaining portion disposed below a table including die bores and retaining a lower punch, and a dust-proofing device including a sealing case supported by the lower punch-retaining portion and including a bottom wall that includes an insertion bore penetrated by the lower punch, faces an upward surface of the lower punch-retaining portion, and includes a dust receiver disposed outside the insertion bore and configured to capture dust, and an outer wall that rises from an outer edge of the bottom wall, has an upper end positioned higher in level than an upward surface of a circumferential edge of the insertion bore, and includes a returning part projecting inward from the upper end or a portion adjacent thereto.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: February 14, 2023
    Assignee: KIKUSUI SEISAKUSHO LTD.
    Inventors: Yuji Tsujiura, Yasushi Fujii
  • Patent number: 11472071
    Abstract: A rotary compression-molding machine includes an upper punch-retaining portion disposed above a table including die bores and retaining an upper punch, a dust-proofing device including a sealing case including a bottom wall that includes an insertion bore penetrated by the upper punch and faces a downward surface of the upper punch-retaining portion, and an outer wall facing an outer surface of the upper punch-retaining portion, and supported by the upper punch-retaining portion, and an expandable dust cover attached to be in contact with a downward surface of the bottom wall of the sealing case and covering a circumferential edge of the insertion bore and an outer circumference of the upper punch, and air passages disposed between the outer wall of the sealing case and the outer surface of the upper punch-retaining portion.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: October 18, 2022
    Assignee: KIKUSUI SEISAKUSHO LTD.
    Inventors: Yuji Tsujiura, Yasushi Fujii
  • Publication number: 20210078214
    Abstract: A rotary compression-molding machine includes an upper punch-retaining portion disposed above a table including die bores and retaining an upper punch, a dust-proofing device including a sealing case including a bottom wall that includes an insertion bore penetrated by the upper punch and faces a downward surface of the upper punch-retaining portion, and an outer wall facing an outer surface of the upper punch-retaining portion, and supported by the upper punch-retaining portion, and an expandable dust cover attached to be in contact with a downward surface of the bottom wall of the sealing case and covering a circumferential edge of the insertion bore and an outer circumference of the upper punch, and air passages disposed between the outer wall of the sealing case and the outer surface of the upper punch-retaining portion.
    Type: Application
    Filed: September 2, 2020
    Publication date: March 18, 2021
    Inventors: Yuji Tsujiura, Yasushi Fujii
  • Publication number: 20210078215
    Abstract: A rotary compression-molding machine includes a lower punch-retaining portion disposed below a table including die bores and retaining a lower punch, and a dust-proofing device including a sealing case supported by the lower punch-retaining portion and including a bottom wall that includes an insertion bore penetrated by the lower punch, faces an upward surface of the lower punch-retaining portion, and includes a dust receiver disposed outside the insertion bore and configured to capture dust, and an outer wall that rises from an outer edge of the bottom wall, has an upper end positioned higher in level than an upward surface of a circumferential edge of the insertion bore, and includes a returning part projecting inward from the upper end or a portion adjacent thereto.
    Type: Application
    Filed: September 2, 2020
    Publication date: March 18, 2021
    Inventors: Yuji Tsujiura, Yasushi Fujii