Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197521 | Slide fastener | Masanori Kayahara, Mineto Terada, Ryo Mikuma, Kazuya Taniguchi | 2021-12-14 |
| 11134756 | Waterproof slide fastener | Masanori Kayahara, Mineto Terada, Ryo Mikuma, Kazuya Taniguchi | 2021-10-05 |