Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10561914 | Baseball or softball bat with modified restitution characteristics | Yohei Yamashita, Toshiaki Kida, Kazuhiko Shindome, Kohei Kikuchi | 2020-02-18 |
| 10195504 | Baseball or softball bat with modified restitution characteristics | Yohei Yamashita, Toshiaki Kida, Kazuhiko Shindome | 2019-02-05 |
| 8814733 | Baseball or softball bat with modified restitution characteristics | Yohei Yamashita, Toshiaki Kida, Kazuhiko Shindome | 2014-08-26 |
| 7891017 | Ball catching tool for baseball or softball | Daisuke Kogawa, Norifumi Ito, Kei Kato | 2011-02-22 |