Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966101 | Fluidized bed apparatus | Yasumasa Idei, Shinji Matsurra | 1990-10-30 |
| 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 |
| 4733619 | Powder feeder | Yasumasa Idei, Toshihiro Inatani, Mitsuo Sumito, Takao Hamada, Shunji Hamada | 1988-03-29 |