Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863488 | Solid fuels | Shinjiro Yokota, Yasumasa Idei | 1989-09-05 |
| 4815418 | Two fluidized bed type boiler | Hideaki Takahashi, Yasumasa Idei, Masahiro Nishida | 1989-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863488 | Solid fuels | Shinjiro Yokota, Yasumasa Idei | 1989-09-05 |
| 4815418 | Two fluidized bed type boiler | Hideaki Takahashi, Yasumasa Idei, Masahiro Nishida | 1989-03-28 |