06780123 is referenced by 95 patents and cites 4 patents.

As the club number increases so that the loft angle is larger, the center-of-gravity height HG of each head becomes larger, and the center-of-gravity depth ZG thereof becomes smaller. Each head is hollow, and a face portion becomes thicker in its lower portion. The back bottom thickness T is smaller in an iron shorter in club length.

Title
Golf club set
Application Number
10/386683
Publication Number
6780123 (B2)
Application Date
March 13, 2003
Publication Date
August 24, 2004
Inventor
Yu Hasebe
Tokyo
US
Agent
Sughrue Mion PLLC
US
Assignee
Bridgestone Sports
US
IPC
A63B 53/04
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