Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619613 | Gas flow rate controller and gas appliance using the same | Yoshio Akamatsu, Naoto Naganuma, Mitsumasa Matsumura, Yoshiteru Kagomoto, Mitsuo Yokohata +3 more | 2003-09-16 |