Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409606 | Power transmission shaft | Tatsuo Nakajima, Tsuneo Takano | 2002-06-25 |
| 6354963 | Golf club head | Hidehiro Takemoto, Takumi Ishimori, Kiharu Numata, Tsuneo Takano | 2002-03-12 |