Patents by Inventor Noritsugu Hamai

Noritsugu Hamai 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).

  • Synthetic resin attachment for clothes and belongings
    Patent number: 6654989
    Abstract: Antistatic agent for external use is attached to a synthetic resin material by coating or spraying, which is used in an attachment for clothes and belongings, such as a slide fastener, a button, a snap button, a hook, a strap fastener, a buckle, a swivel hook, a belt adjuster, a strap for portable goods and the like, or a component of the attachment. Alternatively, antistatic agent for internal use may be mixed in the synthetic resin material. Consequently, the attachment is provided with antistatic function, so that static electricity is discharged easily even if such an attachment is worn by a human body, thereby protecting a human body from electric shock.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: December 2, 2003
    Assignee: YKK Corporation
    Inventor: Noritsugu Hamai
  • Synthetic resin attachment for clothes and belongings
    Publication number: 20020194708
    Abstract: Antistatic agent for external use is attached to a synthetic resin material by coating or spraying, which is used in an attachment for clothes and belongings, such as a slide fastener, a button, a snap button, a hook, a strap fastener, a buckle, a swivel hook, a belt adjuster, a strap for portable goods and the like, or a component of the attachment. Alternatively, antistatic agent for internal use may be mixed in the synthetic resin material. Consequently, the attachment is provided with antistatic function, so that static electricity is discharged easily even if such an attachment is worn by a human body, thereby protecting a human body from electric shock.
    Type: Application
    Filed: June 12, 2002
    Publication date: December 26, 2002
    Applicant: YKK Corporation
    Inventor: Noritsugu Hamai
  • Pull tab
    Patent number: D471841
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: March 18, 2003
    Assignee: YKK Corporation
    Inventors: Noritsugu Hamai, Kazue Misawa, Shiho Eguchi