Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224855 | Gas burner | Hajime Toyonaga, Toshio Nishida, Masao Shiomi | 1993-07-06 |
| 5073106 | Gas burner | Hajime Toyonaga, Toshio Nishida, Masao Shiomi | 1991-12-17 |
| 4480988 | Surface combustion type burner with air supply entirely as primary air | Makoto Okabayashi, Yoichi Higuchi, Kazuto Taguchi | 1984-11-06 |