Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359709 | Combustible gas sensor | Yoshihiko Nakatani, Masayuki Sakai, Seiichi Nakatani | 1982-11-16 |
| 4352286 | Combustible gas detecting element | Yoshihiko Nakatani, Masayuki Sakai, Seiichi Nakatani | 1982-10-05 |