Title:
ゴルフクラブヘッド
Document Type and Number:
Japanese Patent JP7120824
Kind Code:
B2
Abstract:
A golf club head includes a face portion, a plurality of score lines formed in the face portion and extending in a toe-heel direction, a plurality of convex portions formed in the face portion and extending in the toe-heel direction between the score lines adjacent to each other in a vertical direction of the face portion, and at least one concave portion formed in the face portion and extending in the toe-heel direction between the convex portions adjacent to each other in the vertical direction. A flat surface is formed between the concave portion and the convex portion adjacent to the concave portion.
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Inventors:
Saka
Application Number:
JP2018119205A
Publication Date:
August 17, 2022
Filing Date:
June 22, 2018
Export Citation:
Assignee:
Bridgestone Sports Co., Ltd.
International Classes:
A63B53/04
Foreign References:
| US20130225319 | ||||
| US20130053171 | ||||
| US8449406 | ||||
| US8858361 | ||||
| US8979670 | ||||
| US9308422 | ||||
| US9539477 | ||||
| US20170100792 |
Attorney, Agent or Firm:
Patent Business Corporation Otsuka International Patent Office
Yasunori Otsuka
Yasuhiro Otsuka
Shiro Takayanagi
Shuji Kimura
Osamu Shimoyama
Nagakawa Yumitsu
Yasunori Otsuka
Yasuhiro Otsuka
Shiro Takayanagi
Shuji Kimura
Osamu Shimoyama
Nagakawa Yumitsu