Patents Assigned to MITSUBISHI RAYON CLEANSUI COMPANY, LIMITED
  • Patent number: 10189720
    Abstract: The present invention relates to a pitcher-type water purifier, comprising: a pitcher body including a cylindrical casing having a bottom and a partition for partitioning the inside of the casing; a pitcher lid liquid-tightly closing an opened top end of the pitcher body; and a water purifying cartridge detachably attached to an opened attachment part in the partition.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: January 29, 2019
    Assignee: Mitsubishi Rayon Cleansui Company, Limited
    Inventors: Takeshi Ishikawa, Shouzou Kimura, Hatsumi Takeda
  • Publication number: 20150360150
    Abstract: There is provided a water purifier in which a display portion can obtain a higher waterproof property and the workability in manufacturing of the display portion can be improved. In a water purifier which includes a display portion (10) displaying announcement information, the display portion (10) includes an indicator (24), a circuit board (22) to which a control circuit controlling the indicator (24) is attached, and a case (26) which accommodates the indicator (24) and the circuit board (22), the case (26) includes a case main body (27) which has a cylindrical shape having opening portions at both ends thereof and is made of a transparent material, and a lid body (28) which liquid-tightly closes a first opening portion (27a) of the case main body, and a second opening portion (27b) of the case main body (27) is sealed by a resin (25).
    Type: Application
    Filed: August 24, 2015
    Publication date: December 17, 2015
    Applicant: Mitsubishi Rayon Cleansui Company, Limited
    Inventors: Atsushi HATAKEYAMA, Takeshi ISHIKAWA, Noboru ODAMAKI, Harumi USHIDA, Makoto KATO, Shouzou KIMURA
  • Patent number: 9005435
    Abstract: A structure for an opening section closed by a net through which fluid flows. The opening section is provided in a vertical wall so as to rise to the vertical wall side from the corner formed between the vertical wall and a horizontal wall. A downward protruding rib is provided on the lower side of the opening section. The lower edge of the net is provided so as to be affixed to at least the rib.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: April 14, 2015
    Assignee: Mitsubishi Rayon Cleansui Company, Limited
    Inventors: Hatsumi Takeda, Atsushi Hatakeyama
  • Publication number: 20140144829
    Abstract: A gravity-filtration water purifier includes a vessel body, a plurality of partition units that are detachably attached to the vessel body and that vertically partition at least a part in the vessel body into a plurality of stages, and a water filter cartridge that is mounted on each of the plurality of partition units and that purifies water on the partition unit and supplies the purified water to below the partition unit. Here, the gravity-filtration water purifier purifies raw water supplied to the uppermost stage using its own weight.
    Type: Application
    Filed: May 18, 2011
    Publication date: May 29, 2014
    Applicant: Mitsubishi Rayon Cleansui Company, Limited
    Inventors: Hatsumi Takeda, Atsushi Hatakeyama
  • Publication number: 20140138303
    Abstract: A structure for an opening section closed by a net through which fluid flows. The opening section is provided in a vertical wall so as to rise to the vertical wall side from the corner formed between the vertical wall and a horizontal wall. A downward protruding rib is provided on the lower side of the opening section. The lower edge of the net is provided so as to be affixed to at least the rib.
    Type: Application
    Filed: August 12, 2011
    Publication date: May 22, 2014
    Applicant: MITSUBISHI RAYON CLEANSUI COMPANY, LIMITED
    Inventors: Hatsumi Takeda, Atsushi Hatakeyama
  • Publication number: 20140008276
    Abstract: The present invention relates to a pitcher-type water purifier, comprising: a pitcher body including a cylindrical casing having a bottom and a partition for partitioning the inside of the casing; a pitcher lid liquid-tightly closing an opened top end of the pitcher body; and a water purifying cartridge detachably attached to an opened attachment part in the partition.
    Type: Application
    Filed: February 9, 2012
    Publication date: January 9, 2014
    Applicant: MITSUBISHI RAYON CLEANSUI COMPANY, LIMITED
    Inventors: Takeshi Ishikawa, Shouzou Kimura, Hatsumi Takeda
  • Publication number: 20130193060
    Abstract: It is an object of the present invention to provide a water purification cartridge which can be manufactured in fewer steps and is provided with a raw water inlet composed of a mesh member having excellent durability. The present invention provides a water purification cartridge arranged between a raw water storage section and a purified water storage section of a water purifier and provided with a raw water inlet for taking raw water placed in the raw water storage section into the inside of the water purification cartridge to purify the raw water taken in from the raw water inlet by a filtering material, the water purification cartridge including a planar section above a water purification section in which the filtering material is arranged, wherein the raw water inlet is formed on the planar section with a planar mesh member.
    Type: Application
    Filed: August 11, 2011
    Publication date: August 1, 2013
    Applicant: MITSUBISHI RAYON CLEANSUI COMPANY, LIMITED
    Inventors: Hatsumi Takeda, Atsushi Hatakeyama
  • Publication number: 20120006729
    Abstract: There is provided a water purifier in which a display portion can obtain a higher waterproof property and the workability in manufacturing of the display portion can be improved. In a water purifier which includes a display portion (10) displaying announcement information, the display portion (10) includes an indicator (24), a circuit board (22) to which a control circuit controlling the indicator (24) is attached, and a case (26) which accommodates the indicator (24) and the circuit board (22), the case (26) includes a case main body (27) which has a cylindrical shape having opening portions at both ends thereof and is made of a transparent material, and a lid body (28) which liquid-tightly closes a first opening portion (27a) of the case main body, and a second opening portion (27b) of the case main body (27) is sealed by a resin (25).
    Type: Application
    Filed: January 12, 2010
    Publication date: January 12, 2012
    Applicants: PANASONIC ELECTRIC WORKS CO., LTD., MITSUBISHI RAYON CLEANSUI COMPANY, LIMITED
    Inventors: Atsushi Hatakeyama, Takeshi Ishikawa, Noboru Odamaki, Harumi Ushida, Makoto Kato, Shouzou Kimura