Patents by Inventor Masafumi ASAKAWA

Masafumi ASAKAWA 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).

  • Aggregate-removing filter material, aggregate removal method, white blood cell-removing filter, and blood product filtering method
    Patent number: 10188974
    Abstract: Provided are an aggregate-removing filter material enabling the efficient removal of aggregates while preventing the clogging by the aggregates, an aggregate removal method, a white blood cell-removing filter, and a blood product filtering method. An aggregate-removing filter material for removing aggregates in a blood product, which is composed only of fibers having a fiber length of 100 to 1000 mm, and a fineness of 0.7 to 4.0 dtex, and has a basis weight of 20 to 100 g/m2, and a no-load bulk density of 0.03 to 0.10 g/cm3.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: January 29, 2019
    Assignee: ASAHI KASEI MEDICAL CO., LTD.
    Inventor: Masafumi Asakawa
  • AGGREGATE-REMOVING FILTER MATERIAL, AGGREGATE REMOVAL METHOD, WHITE BLOOD CELL-REMOVING FILTER, AND BLOOD PRODUCT FILTERING METHOD
    Publication number: 20160279549
    Abstract: Provided are an aggregate-removing filter material enabling the efficient removal of aggregates while preventing the clogging by the aggregates, an aggregate removal method, a white blood cell-removing filter, and a blood product filtering method. An aggregate-removing filter material for removing aggregates in a blood product, which is composed only of fibers having a fiber length of 100 to 1000 mm, and a fineness of 0.7 to 4.0 dtex, and has a basis weight of 20 to 100 g/m2, and a no-load bulk density of 0.03 to 0.10 g/cm3.
    Type: Application
    Filed: March 18, 2014
    Publication date: September 29, 2016
    Applicant: ASAHI KASEI MEDICAL CO., LTD.
    Inventor: Masafumi ASAKAWA