Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613298 | Oil burner | Muneo Tao | 1986-09-23 |
| 4580970 | Wick holder apparatus for kerosene heater | — | 1986-04-08 |
| 4549523 | Heating apparatus | Yukio Hirauchi, Kazuhiro Nakano | 1985-10-29 |