Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7670236 | Club head for iron golf club | — | 2010-03-02 |
| 6344002 | Wood club head | — | 2002-02-05 |
| 4896885 | Golf club | Hidekimi Inoue | 1990-01-30 |
| 4895367 | Golf club set | Hidekimi Inoue | 1990-01-23 |
| 4840380 | Set of gold clubs | Hiroshi Esaki, Hirato Shimazaki | 1989-06-20 |
| 4353557 | Golf ball | Tasuku Saito, Tsutomu Matsunaga, Sakae Inoue, Masayuki Ohtake | 1982-10-12 |