Patents by Inventor Takahiko Ishimaru

Takahiko Ishimaru 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).

  • Belt press
    Patent number: 10252482
    Abstract: A pair of filter cloths is wound around a first roll a plurality of times by being wound around the first roll, then being wound around a second roll to return to a space between the first roll and the pair of filter cloths wound around the first roll, and being wound around the first roll again. The pair of filter cloths wound around the first roll the plurality of times applies a pressing force to the first roll.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: April 9, 2019
    Assignee: ISHIGAKI COMPANY LIMITED
    Inventors: Katsunobu Mizobuchi, Takahiko Ishimaru, Toshifumi Ohgihata
  • Filter medium, filtering device using filter medium, and filter medium manufacturing method
    Patent number: 10252192
    Abstract: A filter medium includes: a core yarn and a binder yarn twisted together, at least one of the core yarn or the binder yarn being weldable; and a filament yarn being fuzzy and weldable, the filament yarn being welded to at least one of the core yarn or the binder yarn while being placed between the core yarn and the binder yarn as twisted together. A filtering device for filtering a liquid to be treated with a filter medium layer includes the filter medium. A method of manufacturing the filter medium is also disclosed.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: April 9, 2019
    Assignee: ISHIGAKI COMPANY LIMITED
    Inventors: Kunio Fujita, Hidetaka Ujike, Takahiko Ishimaru, Fumikatsu Nagai
  • BELT PRESS
    Publication number: 20160221290
    Abstract: A pair of filter cloths is wound around a first roll a plurality of times by being wound around the first roll, then being wound around a second roll to return to a space between the first roll and the pair of filter cloths wound around the first roll, and being wound around the first roll again. The pair of filter cloths wound around the first roll the plurality of times applies a pressing force to the first roll.
    Type: Application
    Filed: October 10, 2014
    Publication date: August 4, 2016
    Applicant: ISHIGAKI COMPANY LIMITED
    Inventors: Katsunobu MIZOBUCHI, Takahiko ISHIMARU, Toshifumi OHGIHATA
  • FILTER MEDIUM, FILTERING DEVICE USING FILTER MEDIUM, AND FILTER MEDIUM MANUFACTURING METHOD
    Publication number: 20130248439
    Abstract: A filter medium includes: a core yarn and a binder yarn twisted together, at least one of the core yarn or the binder yarn being weldable; and a filament yarn being fuzzy and weldable, the filament yarn being welded to at least one of the core yarn or the binder yarn while being placed between the core yarn and the binder yarn as twisted together. A filtering device for filtering a liquid to be treated with a filter medium layer including includes the filter medium. A method of manufacturing the filter medium is also disclosed.
    Type: Application
    Filed: October 6, 2011
    Publication date: September 26, 2013
    Applicant: ISHIGAKI COMPANY LIMITED
    Inventors: Kunio Fujita, Hidetaka Ujike, Takahiko Ishimaru, Fumikatsu Nagai