Patents by Inventor Ryou Azuma

Ryou Azuma 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).

  • Patent number: 6077592
    Abstract: A wiper blade comprising a body made of an elastomeric material; and a surface coating layer positioned on a surface of the body and comprising a fluorine-containing resin having hydroxyl groups in the molecules thereof and a hardening agent having reactivity with the hydroxyl groups and optionally a solid lubricant. The surface coating layer is formed only on both side surfaces of the body. Thus, the wiper blade has a high degree of flexibility and restoring property; a high degree of durability; and judders in a slight extent when it slides on a glass surface in contact therewith; a high wiping performance; and maintains its wiping performance for a long time.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: June 20, 2000
    Assignees: NTN Corporation, Nippon Water Blade Co., Ltd.
    Inventors: Ryou Azuma, Junichi Kurihara, Noboru Umemoto, Fuminori Satoji