Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533316 | Vaporizing type fuel combustion apparatus with tar removal device | Eiji Yamasaki, Kenji Murakami | 1985-08-06 |
| 4428729 | Discharge type ignitor for oil stove | Kenji Murakami | 1984-01-31 |