Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10973216 | Fishing reel cap | Nobuo Furuya, Kei Saito | 2021-04-13 |
| 10869469 | Drag knob and fishing reel | Kei Saito | 2020-12-22 |
| 10806133 | Rotor of spinning reel for fishing and spinning reel for fishing with the rotor | Kei Saito, Takuji Takamatsu, Satoshi Ikebukuro | 2020-10-20 |
| 10721921 | Spinning reel | Takuji Takamatsu, Kei Saito, Satoshi Ikebukuro | 2020-07-28 |
| D872223 | Fishing reel portion | — | 2020-01-07 |
| D846066 | Fishing reel portion | — | 2019-04-16 |
| D846067 | Fishing reel portion | — | 2019-04-16 |
| D846062 | Fishing reel | — | 2019-04-16 |
| D846063 | Fishing reel portion | — | 2019-04-16 |
| D846064 | Fishing reel portion | — | 2019-04-16 |
| D846065 | Fishing reel portion | — | 2019-04-16 |
| D785130 | Fishing reel portion | Masakazu Iwabuchi | 2017-04-25 |
| D782607 | Fishing reel portion | Masakazu Iwabuchi | 2017-03-28 |
| 9210922 | Dual-bearing reel | Shouji Nakagawa, Kunio Takechi | 2015-12-15 |
| D738458 | Fishing reel portion | Akira Nago | 2015-09-08 |
| D738459 | Fishing reel portion | Akira Nago | 2015-09-08 |
| D725229 | Fishing reel portion | Masakazu Iwabuchi | 2015-03-24 |
| D724175 | Fishing reel portion | Akira Nago | 2015-03-10 |
| D723655 | Fishing reel | Akira Nago, Masakazu Iwabuchi | 2015-03-03 |
| D709985 | Fishing reel | — | 2014-07-29 |
| D685055 | Fishing reel | — | 2013-06-25 |
| D674868 | Fishing reel | Natsuki Noma | 2013-01-22 |
| D674869 | Fishing reel portion | — | 2013-01-22 |
| 7963870 | Bicycle rear derailleur | Yoshinori Irie | 2011-06-21 |