Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789612 | Cooling device with waterproof structure | Yoshiyuki Okamoto, Koji Kishita | 2004-09-14 |
| 6716386 | Plastic bottle and method of producing the same | Go Saito, Yoshitsugu Maruhashi, Makoto Etoh | 2004-04-06 |