Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868635 | Golf club head and method of manufacturing the same | Yuichi Aizawa | 1999-02-09 |
| 5766089 | Golf club | — | 1998-06-16 |
| 5697854 | Golf club head and method of manufacturing the same | Yuichi Aizawa | 1997-12-16 |
| 5658207 | Golf club head | Yuichi Aizawa | 1997-08-19 |
| 5575723 | Golf club with cushion material between shaft and head | Shigeki Take | 1996-11-19 |
| 5573469 | Gulf club head | — | 1996-11-12 |
| 5538246 | Golf club | — | 1996-07-23 |
| D366082 | Golf club head | — | 1996-01-09 |