Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326187 | Voltage non-linear resistor | Takeo Yamazaki, Kunihiro Maeda, Ken Takahashi | 1982-04-20 |
| 4319215 | Non-linear resistor and process for producing same | Takeo Yamazaki | 1982-03-09 |