Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11576358 | Spigot joint fishing rod | Yasuhiro Tsukamoto, Atsushi Saito | 2023-02-14 |
| 6301821 | Tubular substance and manufacturing method therefor | Hiroyasu Suzue, Hideyuki Naitou, Tomoyoshi Tsurufuji, Nobuaki Takamatsu | 2001-10-16 |