Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400568 | Method and apparatus for making and filling a bag | Kaoru Hayashi, Kazufumi Matsui | 1995-03-28 |
| 5335997 | Bag and snap zipper made of different materials | Kaoru Hayashi, Kazufumi Matsui | 1994-08-09 |