Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6033572 | Method and apparatus for treating selenium-containing waste water | Rie Yano | 2000-03-07 |
| RE33627 | Variable resistor | Yukinori Ueda | 1991-07-02 |
| 4785278 | Variable resistor | Yukinori Ueda | 1988-11-15 |
| 4219796 | Semi-fixed type variable resistor | — | 1980-08-26 |