Bridgestone Sports Co., Ltd.

Yuu Hasebe

Makoto Kubota

Yasunori Imamoto

Hirato Shimasaki

Daisuke Mikame

A golf club head having a hollow construction, including a bar-like gravity adjusting piece ( ) which extends longitudinally from a toe ( ) towards a heel ( ), or vice versa, of the head and is secured directly on an inner surface of a sole portion ( ) in a position nearer to a front face ( ) or wherein a forward half area (F) of the sole portion ( ) as viewed from above, that is nearer to a face member ( ) of the head, has a thickness two or more times greater in at least a portion thereof than an average thickness of a rearward half area (R) of the sole portion, that is nearer to a back side ( ).

Golf club head

A golf club head having a hollow construction, including a bar-like gravity adjusting piece ( ) which extends longitudinally from a toe ( ) towards a heel ( ), or vice versa, of the head and is secured directly on an inner surface of a sole portion ( ) in a position nearer to a front face ( ) or wherein a forward half area (F) of the sole portion ( ) as viewed from above, that is nearer to a face member ( &prime;) of the head, has a thickness two or more times greater in at least a portion thereof than an average thickness of a rearward half area (R) of the sole portion, that is nearer to a back side ( ).

A golf club head having a hollow construction, including a bar-like gravity adjusting piece (,) which extends longitudinally from a toe (,) towards a heel (,), or vice versa, of the head and is secured directly on an inner surface of a sole portion (,) in a position nearer to a front face (,) or wherein a forward half area (F) of the sole portion (,) as viewed from above, that is nearer to a face member (,&prime;) of the head, has a thickness two or more times greater in at least a portion thereof than an average thickness of a rearward half area (R) of the sole portion, that is nearer to a back side (,).

Growing community of inventors

Tokyo, Japan

Yuu Hasebe