Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11700919 | Button attachment tool | Ryohei Nakawatase, Yusuke Saito, Jun Obuchi | 2023-07-18 |
| 7617575 | Water migration resistant snap fasteners | Koki Sugihara | 2009-11-17 |
| 7565721 | Non-rotating sandwich button | — | 2009-07-28 |
| 5798467 | Pluck resistance measuring instrument for snap members | Kenji Hasegawa | 1998-08-25 |