Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7887653 | Device and method for manufacturing bag with chuck tape | Shuichi Goto, Kenichi Tanaka | 2011-02-15 |
| 7765649 | Chuck and chuck-equipped bag | Ryo Katada, Kenichi Tanaka | 2010-08-03 |
| 5925305 | Oriented film easy to split and method of producing the same | Masao Takashige, Takeo Hayashi, Katsumi Utsuki | 1999-07-20 |
| 5716696 | Easy-cleavage film and a method of producing the same | Masao Takashige, Takeo Hayashi | 1998-02-10 |
| 5541011 | Oriented film easy to split | Masao Takashige, Takeo Hayashi, Katsumi Utsuki | 1996-07-30 |