Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070989 | Structure for supporting a globe used for a portable gas lantern | Hiroaki Yokoyama | 2000-06-06 |
| 5957683 | Burner structure used for a portable gas cooking stove | Hiroaki Yokoyama | 1999-09-28 |