Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864273 | Variable resistor | Mitsuko Kotaki, Ryohei Yabuno, Masami Ishii | 1989-09-05 |
TT
Takoyoshi Tsuzuki
Overall (All Time): #3,937,201 of 4,157,543Top 95%
1
Patents All Time