Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10507368 | Baseball or softball bat | Yohei Yamashita, Brendan Kays | 2019-12-17 |
| 10405100 | Speaker apparatus that oscillates an oscillating body via an oscillating element | Yohei Fukuma, Nobukazu Suzuki, Kazuhiro Matsutani, Yasuo Kawabata | 2019-09-03 |