Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9179743 | Snap fastener | Hiroyuki Sugiyama, Yasufumi Morita, Hideo Yogou, Hideshi Okamoto | 2015-11-10 |
| 9060572 | Button fixing member and button structure | Kenji Hasegawa, Hiroyuki Sugiyama | 2015-06-23 |
| 8561264 | Female snap button | Kenji Hasegawa, Hiroyuki Sugiyama | 2013-10-22 |