Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509264 | Direct coal fired turbine combined power generation system | Seiya Ito, Motoaki Hirao, Michihiro Shiraha, Kazuyoshi Kawamura, Kenichi Fujii +4 more | 1996-04-23 |
| 4986199 | Method for recovering waste gases from coal partial combustor | Minoru Komeno, Motoaki Hirao, Toshiyuki Takeuchi, Hideki Takano, Katsunori Yoshida | 1991-01-22 |