Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897590 | Multi-flange design for marine industry | — | 2024-02-13 |
| 11338893 | Multi flange design for marine industry | — | 2022-05-24 |
| 10710684 | Multi flange design for marine industry | — | 2020-07-14 |
| 6508187 | Watercraft | Kiyoaki Maeda, Yoshinori Tsumiyama, Takehiro Nakashima, Kanji Kiyohara, Haruyoshi Maruyama +5 more | 2003-01-21 |