Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063532 | Active filter device | Masatoshi Takeda, Tomohiko Aritsuka | 1991-11-05 |
YT
Yoshitaka Tachibana
Overall (All Time): #3,889,333 of 4,157,543Top 95%
1
Patents All Time