Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9661902 | Waterproof slide fastener | Makoto Takayama, Hisashi Yoneshima | 2017-05-30 |
| 9572406 | Waterproof slide fastener | Ryo Tanaka, Makoto Takayama, Masamichi Hasegawa | 2017-02-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9661902 | Waterproof slide fastener | Makoto Takayama, Hisashi Yoneshima | 2017-05-30 |
| 9572406 | Waterproof slide fastener | Ryo Tanaka, Makoto Takayama, Masamichi Hasegawa | 2017-02-21 |