Patents by Inventor Nobutaka Hirata

Nobutaka Hirata 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: 5775699
    Abstract: On a base plate 13 there are provided L-shaped posts 16 and 17 having horizontal arms 16a and 17a and upright portions 16b and 17b, respectively, and a shooting target 11 is provided exchangeable manner between the upright portions. On the base plate 13 there is arranged a video camera 14 obliquely with respect to the shooting target 11. A picked-up image of the shooting target 11 is supplied to a processing device 15. On the horizontal arms 16a and 17a, there is arranged a reflection mirror 18 movably. The mirror 18 is adjusted such that light scattered by the mirror is made incident upon the video camera 14 through a bullet hole C formed in the shooting target 11 with a bullet A discharged from a gun P. An image of the bullet hole C is picked-up as a bright spot, so that a position of the bullet hole in the shooting target can be detected accurately and easily.
    Type: Grant
    Filed: January 4, 1996
    Date of Patent: July 7, 1998
    Assignee: Shibasoku Co., Ltd.
    Inventors: Masaomi Orito, Nobutaka Hirata, Satoshi Kimura, Kazuo Asaka, Shigeo Uehara