Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12426584 | Dual-bearing reel for fishing | Takeshi Ikuta, Kunio Takechi | 2025-09-30 |
| 11997996 | Spool braking device for dual bearing reel | Daichi Nakata, Kunio Takechi, Kouhei Nakamura, Keigo Kitajima | 2024-06-04 |
| 11116195 | Spool for a dual-bearing reel | Akira Niitsuma | 2021-09-14 |
| 11102966 | Dual-bearing reel | Motohiro Niitsuma | 2021-08-31 |
| 10966418 | Fishing reel | Akira Niitsuma, Motohiro Niitsuma | 2021-04-06 |
| 10588302 | Dual-bearing reel | Takanori MARUOKA | 2020-03-17 |
| 10588303 | Dual-bearing reel | Motohiro Niitsuma | 2020-03-17 |
| 10492482 | Dual-bearing reel | Akira Niitsuma | 2019-12-03 |
| 10477849 | Dual-bearing reel | Takanori MARUOKA, Kunio Takechi | 2019-11-19 |
| 10375942 | Dual-bearing reel | Akira Niitsuma | 2019-08-13 |