Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D993352 | Reel seat for fishing rod | Masaru Akiba, Ryosuke IMAI | 2023-07-25 |
| D757210 | Reel seat for fishing reel | Yoshiharu Kiyota | 2016-05-24 |
| D698408 | Fishing line guide ring | Masaru Akiba, Kunio Tayama | 2014-01-28 |
| D698409 | Fishing line guide ring | Masaru Akiba, Kunio Tayama | 2014-01-28 |
| D698410 | Fishing line guide ring | Masaru Akiba, Kunio Tayama | 2014-01-28 |
| D607533 | Reel seat for fishing rod | Naoyuki Ezuka, Ryosuke IMAI | 2010-01-05 |