Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723403 | Multi-layer container structure | Ikuya Ishii | 2004-04-20 |
| 5701996 | Snap-fastener bag | Shuichi Goto, Kenichi Tanaka | 1997-12-30 |
| 5538345 | Easy-open, hermetically-sealed, packaging bag | Shuichi Gotoh | 1996-07-23 |
| 5167900 | Method of producing an easily openable multilayer plastic container | Hiroshi Maeda, Hiroyuki Takahashi, Toyokazu Yamada | 1992-12-01 |
| 5165974 | Multilayer plastics containers and methods of producing the same | Hiroshi Maeda, Hiroyuki Takahashi, Toyokazu Yamada | 1992-11-24 |
| 4858780 | Hermetically sealed package and method of producing the same | Tsuyoshi Kishida | 1989-08-22 |