Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059539 | Fishing reel handle cap | Yumiko Ikeda | 2025-01-28 |
| 9743649 | Fishing spinning reel | Kazuyuki Matsuda | 2017-08-29 |
| 9307753 | Fishing reel | Wataru Tsutsumi | 2016-04-12 |
| 4566350 | Lever assembly | Yuichi Kato | 1986-01-28 |
| 4487441 | Child proof door locking device | Shunji Utsumi, Takayo Chikaraishi | 1984-12-11 |