Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361315 | Sonde apparatus for blast furnace | Toyota Kajihara, Fujikazu Nishio, Akira Esaki | 1982-11-30 |
| 4317103 | Variable resistor | Yukio Munakata | 1982-02-23 |
| 4314229 | Fader controlling variable resistor | Yukio Munakata | 1982-02-02 |