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    LIQUID SUPPLY METHOD AND INSPECTION CHIP
    1.
    发明申请
    LIQUID SUPPLY METHOD AND INSPECTION CHIP 有权

    公开(公告)号：US20220226823A1

    公开(公告)日：2022-07-21

    申请号：US17609560

    申请日：2020-06-23

    Applicant: SEKISUI CHEMICAL CO., LTD.

    Inventor： Takamasa KOUNO ,  Nobuhiko INUI ,  Tsutomu NAKAMURA ,  Shoutarou KOBARU ,  Kazuhiko IMAMURA ,  Ryousuke TAKAHASHI ,  Tomoya SASAKI

    IPC: B01L3/00 ,  G01N35/08 ,  B01L7/00

    Abstract: Provided is a liquid supply method capable of accurately mixing a plurality of liquids without providing a complicated liquid supply control mechanism. A liquid supply method using an inspection chip 1, the liquid supply method including: a step of supplying a first liquid from an upstream flow path 4A to a combined flow path 7 and making the first liquid wet and spread on a wall surface of the combined flow path 7 to hold the first liquid in the combined flow path 7; a step of supplying a second liquid from the upstream flow path 4A to the combined flow path 7 and combining the first liquid and the second liquid; and a step of supplying the combined first liquid and the second liquid to a mixing flow path 8, and mixing the first liquid and the second liquid.

    ELECTRET SHEET AND PIEZOELECTRIC SENSOR
    2.
    发明申请
    ELECTRET SHEET AND PIEZOELECTRIC SENSOR 有权

    公开(公告)号：US20210257165A1

    公开(公告)日：2021-08-19

    申请号：US17270664

    申请日：2019-08-23

    Applicant: SEKISUI CHEMICAL CO., LTD.

    Inventor： Tetsuhiro KATO ,  Nobuto KAMIYA ,  Yasuyuki SHIRASAKA ,  Yuuta KATSURAYAMA ,  Ryousuke TAKAHASHI

    IPC: H01G7/02 ,  H01L41/193

    Abstract: The present invention provides an electret sheet that has excellent durability against a pressing force that is repetitively applied, that is, excellent compression recovery properties, and can suppress stuffiness even when used by attaching it to the skin of a human body. The electret sheet of the present invention has an air permeability of 10 to 1,000 sec/100 mL. Thus, the electret sheet has excellent durability against a pressing force that is repetitively applied, that is, excellent compression recovery properties, and can suppress stuffiness even when used by attaching it to the skin of a human body.

    CHIP AND FLUID-MERGING METHOD
    3.
    发明申请
    CHIP AND FLUID-MERGING METHOD 有权

    公开(公告)号：US20220196693A1

    公开(公告)日：2022-06-23

    申请号：US17601621

    申请日：2020-04-20

    Applicant: SEKISUI CHEMICAL CO., LTD.

    Inventor： Kazuhiko IMAMURA ,  Tsutomu NAKAMURA ,  Nobuhiko INUI ,  Ryousuke TAKAHASHI

    IPC: G01N35/08 ,  B01L3/00

    Abstract: Provided is a chip that does not require high-accuracy discharge amount control for a liquid delivery pump and can suppress the entrainment of air bubbles. A chip 1 for test or analysis is provided with a flow path 4 through which a fluid is delivered, the chip 1 including: a first flow path 5 through which a first fluid is delivered; a second flow path 6 through which a second fluid is delivered; a merging portion 8 configured to be provided on a downstream end portion 5a side of the first flow path 5 and merge the first fluid and the second fluid; a first connection flow path 9 configured to connect the first flow path 5 and the second flow path 6 at the merging portion 8 and have a liquid delivery resistance higher than a liquid delivery resistance of the first flow path 5; a degassing flow path 13 configured to be connected to the second flow path 6 on a downstream side of the first connection flow path 9; a third flow path 7 configured to be provided on a downstream side of the merging portion 8; and a second connection flow path 10 configured to connect the first flow path 5 and the third flow path 7 and have a liquid delivery resistance higher than the liquid delivery resistance of the first flow path 5.

    MEASUREMENT TOOL AND LIQUID FEEDING METHOD
    4.
    发明申请
    MEASUREMENT TOOL AND LIQUID FEEDING METHOD 有权

    公开(公告)号：US20210263059A1

    公开(公告)日：2021-08-26

    申请号：US17277463

    申请日：2019-11-21

    Applicant: SEKISUI CHEMICAL CO., LTD.

    Inventor： Tsutomu NAKAMURA ,  Kazuhiko IMAMURA ,  Nobuhiko INUI ,  Ryousuke TAKAHASHI

    IPC: G01N35/08 ,  G01N1/00

    Abstract: To provide a measurement tool and a liquid feeding method in the measurement tool in which loss of a quantitatively collected liquid sample is unlikely to occur and measurement accuracy may be improved. A measurement tool (1) is provided with a measurement tool body (2) and a lid body (3) attachable to and detachable from the measurement tool body (2), in which a liquid feeding channel includes an upstream side channel (11) and a downstream side channel (12), a space into which a sample collection unit (13), an upstream side end, and a downstream side end of the upstream side channel (11) open is formed of the measurement tool body (2) and the lid body (3), the downstream side channel (12) is connected to a downstream side end of the sample collection unit (13), the space is put into an opened state in a state in which the lid body (3) is separated from the measurement tool body (2), and the space is closed and the upstream side channel (11) and the sample collection unit (13) are connected when the lid body (3) is attached to the measurement tool body (2).

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