Patents by Inventor Yasuhiro Shirotani

Yasuhiro Shirotani 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).

  • Publication number: 20120003020
    Abstract: Provided is a cleaning web produced without use of a binder that is superior in smoothness, release efficiency and orientation, resistant to fluffing, having a high heat-resistance temperature, superior in low water-absorption and compatible with oils, and having particular cleaning characteristics. A cleaning web for cleaning the surface of articles to be cleaned, produced by impregnating a web for cleaning the surface of articles to be cleaned with an oil, wherein the web is a nonwoven fabric containing a melt-liquid-crystal-forming wholly aromatic polyester having a melt viscosity of 20 Pa·s or less at 310° C. as the principal component that is produced by melt-blown method and has an average fiber diameter of 3 ?m or more and 15 ?m or less, a thickness of 20 ?m or more and 80 ?m or less, an average basis weight of 9 g/m2 or more and 30 g/m2 or less, a density of 0.25 g/cm3 or more and 1.4 g/cm3 or less, a maximum tensile stress in the machine and crosswise directions of 1.0(N/1.5 cm) or more and 4.0(N/1.
    Type: Application
    Filed: June 11, 2007
    Publication date: January 5, 2012
    Applicants: Tachibana Shoten Co., Ltd, MC Yamasan Polymers Co., Ltd., Kuraray Co., Ltd.
    Inventors: Hiromi Furuya, Yuu Miyaguchi, Yasuhiro Shirotani, Kouji Sugimoto