Patents by Inventor Kazunobu Ogawa

Kazunobu Ogawa 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: 5188152
    Abstract: In a tubular structure for forming a fishing rod, an amorphous metal long fiber tape is spirally or crosswise wound on a prepreg sheet tube with a predetermined pitch, not being overlapped in each turn, so that the prepreg sheet and the amorphous long fiber tape are joined together with high adherence, whereby its twisting strength, collapsing strength and bending strength are improved.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: February 23, 1993
    Assignee: Ryobi Ltd.
    Inventor: Kazunobu Ogawa