Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855708 | Voltage non-linear resistor | Osamu Imai | 1989-08-08 |
| 4730179 | Voltage non-linear resistor and its manufacture | Osamu Imai | 1988-03-08 |
| 4724416 | Voltage non-linear resistor and its manufacture | Osamu Imai | 1988-02-09 |
| 4719064 | Voltage non-linear resistor and its manufacture | Osamu Imai | 1988-01-12 |