Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8440895 | Pedal for drum | Eizo Nakata, Manabu Morioka, Shunsaku Tsuji | 2013-05-14 |
| 8431808 | Drum holding structure and drum held by the holding structure | Eizo Nakata, Manabu Morioka, Shunsaku Tsuji | 2013-04-30 |
| 7977558 | Strainer, and snappy holding structure by the strainer | Eizo Nakata, Manabu Morioka, Shunsaku Tsuji | 2011-07-12 |