Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6678870 | Logical circuit delay optimization system | Rimi Mizuno, Eiji Furukawa | 2004-01-13 |
| 6579449 | Carbonated water supply system | — | 2003-06-17 |
YO
Yumi Okada
Hoshizaki Denki: 1 patents #121 of 203Top 60%
Overall (All Time): #2,186,316 of 4,157,543Top 55%
2
Patents All Time