Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9538088 | Zoom lens and imaging apparatus | — | 2017-01-03 |
| 6619613 | Gas flow rate controller and gas appliance using the same | Yoshio Akamatsu, Naoto Naganuma, Mitsumasa Matsumura, Yoshiteru Kagomoto, Hiroyuki Senda +3 more | 2003-09-16 |