Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863488 | Solid fuels | Sadahiko Maeda, Shinjiro Yokota | 1989-09-05 |
| 4815418 | Two fluidized bed type boiler | Sadahiko Maeda, Hideaki Takahashi, Masahiro Nishida | 1989-03-28 |
| 4800846 | Method of controlling a fluidized bed boiler | Satoshi Orisaki | 1989-01-31 |