Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8870559 | Melt spinning apparatus and melt spinning method | Hiroshi Koyama | 2014-10-28 |
| 8585387 | Manufacturing apparatus for nonwoven fabric | Hiroshi Koyama | 2013-11-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8870559 | Melt spinning apparatus and melt spinning method | Hiroshi Koyama | 2014-10-28 |
| 8585387 | Manufacturing apparatus for nonwoven fabric | Hiroshi Koyama | 2013-11-19 |