Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7585235 | Baseball or softball bat | Yutaka Yamaguchi, Toshiaki Kida | 2009-09-08 |
| 6425836 | Baseball or softball bat | Masaaki Okuyama, Toshiaki Kida, Kazuya Ishida | 2002-07-30 |
| 4453272 | Baseball glove | Ichio Miyake | 1984-06-12 |