Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811184 | Head protecting airbag device | Takanobu Ikeda, Takashi Yamamoto, Tetsuya Ogata | 2004-11-02 |
| 6729975 | Golf ball | Keisuke Ihara, Hirotaka Shimosaka, Yutaka Masutani, Atsuki Kasashima | 2004-05-04 |