Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956046 | Bag with port member and connection structure thereof | Kazuhiro Umenaka, Takeshi Kojima, Naomi Hashimoto, Toshiyuki Yamagishi | 2015-02-17 |
| D715145 | Mouth for storage bag | Toshiyuki Yamagishi, Takeshi Kojima | 2014-10-14 |