Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732738 | Combustible gas detecting element | Masayuki Sakai | 1988-03-22 |
| 4359709 | Combustible gas sensor | Masayuki Sakai, Seiichi Nakatani, Michio Matsuoka | 1982-11-16 |
| 4352286 | Combustible gas detecting element | Masayuki Sakai, Seiichi Nakatani, Michio Matsuoka | 1982-10-05 |
| 4241019 | Combustible gas detecting element | Seiichi Nakatani, Masayuki Sakai, Michio Matsuoka | 1980-12-23 |