Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885746 | Frequency converter | Takeo Fukushima, Masami Mizuguchi, Takahiro Furukawa, Yoshiaki Yato, Kenji Sato +1 more | 1989-12-05 |
TM
Tetsuro Murase
Overall (1989): #51,521 of 140,708Top 40%
1
Patents 1989