Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4669398 | Pulverized fuel firing apparatus | Yukihisa Fujima, Kimishiro Tokuda | 1987-06-02 |
| 4329932 | Method of burning fuel with lowered nitrogen-oxides emission | Masayasu Sakai | 1982-05-18 |