Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8508909 | Duct frame and ion generating device | Hideyuki Fujikawa | 2013-08-13 |
AN
Akimasa NISHIKAWA
Overall (All Time): #3,170,981 of 4,157,543Top 80%
1
Patents All Time