Patents by Inventor Kimihiko HOUHASHI

Kimihiko HOUHASHI 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).

  • Conductive nonwoven fabric and method of producing meltblown nonwoven fabric used in conductive nonwoven fabric
    Patent number: 10829879
    Abstract: Provided is a conductive nonwoven fabric, including a meltblown nonwoven fabric made from a melt liquid-crystal-forming wholly aromatic polyester having a melt viscosity at 310° C. of less than or equal to 20 Pa·s and satisfying (A) an average fiber diameter from 0.1 ?m to 5 ?m, (B) two or less film-like objects existing per 1 mm2 of the nonwoven fabric, (C) a breaking length in a warp direction of greater than or equal to 10 km and a breaking length in a weft direction of greater than or equal to 6 km, (D) a basis weight from 1.0 g/m2 to 15 g/m2, (E) a thickness from 5 ?m to 50 ?m, and (F) an air permeability of less than or equal to 300 cc/cm2/second, and a metal coating film formed on the meltblown nonwoven fabric.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: November 10, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Yasuhiro Shirotani, Kimihiko Houhashi, Kazuo Ohira
  • CONDUCTIVE NONWOVEN FABRIC AND METHOD OF PRODUCING MELTBLOWN NONWOVEN FABRIC USED IN CONDUCTIVE NONWOVEN FABRIC
    Publication number: 20170275793
    Abstract: Provided is a conductive nonwoven fabric, including a meltblown nonwoven fabric made from a melt liquid-crystal-forming wholly aromatic polyester having a melt viscosity at 310° C. of less than or equal to 20 Pa·s and satisfying (A) an average fiber diameter from 0.1 ?m to 5 ?m, (B) two or less film-like objects existing per 1 mm2 of the nonwoven fabric, (C) a breaking length in a warp direction of greater than or equal to 10 km and a breaking length in a weft direction of greater than or equal to 6 km, (D) a basis weight from 1.0 g/m2 to 15 g/m2, (E) a thickness from 5 ?m to 50 ?m, and (F) an air permeability of less than or equal to 300 cc/cm2/second, and a metal coating film formed on the meltblown nonwoven fabric.
    Type: Application
    Filed: August 22, 2014
    Publication date: September 28, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Yasuhiro SHIROTANI, Kimihiko HOUHASHI, Kazuo OHIRA