Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655837 | Pouch having a branched chamber | Naoto Matsuda, Yasushi Hatano, Kikuo Matsuoka | 2003-12-02 |
| 6641307 | Pouch having a branched chamber | Naoto Matsuda, Yasushi Hatano, Kikuo Matsuoka | 2003-11-04 |