Patents by Inventor Akihiro Uoya

Akihiro Uoya 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: 6162130
    Abstract: A golf club head comprising a face portion and a main body portion, wherein at least the face portion or a face of the face portion comprises an amorphous alloy having a glass transition range. The amorphous alloy preferably has a composition represented by the general formula X.sub.a M.sub.b Al.sub.c (where X is at least one element selected from the group consisting of Zr and Hf, M is at least one element selected from the group consisting of Mn, Fe, Co, Ni, Ti and Cu, and a, b and c are, in atomic percentages, 25.ltoreq.a.ltoreq.85, 5.ltoreq.b.ltoreq.70 and 0<c.ltoreq.35), and comprises at least 50% by volume thereof being an amorphous phase. The golf club head has a high strength and yet has a low elastic modulus.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: December 19, 2000
    Assignees: Tsuyoshi Masumoto, Akihisa Noue, YKK Corporation
    Inventors: Tsuyoshi Masumoto, Akihisa Inoue, Yoshitaka Nagai, Akihiro Uoya