Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359709 | Combustible gas sensor | Yoshihiko Nakatani, Seiichi Nakatani, Michio Matsuoka | 1982-11-16 |
| 4356965 | Heater with adjustable mix regulating damper for bilevel operation | Katsuaki Matsushima | 1982-11-02 |
| 4352286 | Combustible gas detecting element | Yoshihiko Nakatani, Seiichi Nakatani, Michio Matsuoka | 1982-10-05 |