Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4496306 | Multi-stage combustion method for inhibiting formation of nitrogen oxides | Noboru Okigami, Hiroshi Hayasaka, Yoshitoshi Sekiguchi | 1985-01-29 |
| 4395223 | Multi-stage combustion method for inhibiting formation of nitrogen oxides | Noboru Okigami, Hiroshi Hayasaka, Yoshitoshi Sekiguchi | 1983-07-26 |