Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9930873 | Fishline guide | Masaru Akiba, Eiji Sugaya, Hideyuki Naitou, Atsushi Saitou, Tomoyoshi Turufuji +1 more | 2018-04-03 |
| 8387302 | Fishline guide | Masaru Akiba, Eiji Sugaya, Hideyuki Naitou, Atushi Saitou, Tomoyoshi Turufuji +1 more | 2013-03-05 |