Patents by Inventor Masaji Fujiwara

Masaji Fujiwara 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).

  • Diving jacket
    Patent number: 6582157
    Abstract: A diving jacket 1 having a strap 26 extending from one of paired shoulder regions 7 to the other of the shoulder regions 7 via an upper end of the jacket 1. The strap 26 has its opposite ends fixed to the shoulder regions 7 and the length of the strap 26 is adjustable in at least one of the shoulder regions 7.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: June 24, 2003
    Assignee: Tabata Co. Ltd.
    Inventors: Minoru Takeuchi, Masaji Fujiwara, Kenji Kawana
  • Combination of strap and buckle for diving fins
    Patent number: 6398604
    Abstract: A combination of strap and buckle for diving fins has a heel strap 3 and a buckle 6. The heel strap 3 has first locking teeth 21 formed thereon and a top portion 31 of the buckle 6 has its inner surface facing the heel strap 3 in the vicinity of its rear end formed in its transversely middle zone 39 with a depression hollowed out by a dimension deeper than a height of the first locking teeth 21.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: June 4, 2002
    Assignee: Tabata Co., Ltd.
    Inventors: Haruo Kawashima, Masaji Fujiwara