Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981793 | Gusset bag with spout | Kazuhiro Umenaka | 2018-05-29 |
| D718127 | Packaging container cap | Yuichiro Moriyama, Yuichi Yokota, Takeshi Okajima, Koichi Kuribayashi, Koji Nagano +2 more | 2014-11-25 |
| D676763 | Pouch | Kazuhiro Umenaka | 2013-02-26 |
| 7735666 | Open/close cap and manufacturing method thereof | Susumu Niwa, Kouichi Inoue, Hiroaki Takashima, Kazuhiro Umenaka | 2010-06-15 |