Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986199 | Method for recovering waste gases from coal partial combustor | Motoaki Hirao, Toshiyuki Takeuchi, Shunpei Nozoe, Hideki Takano, Katsunori Yoshida | 1991-01-22 |
| 4468171 | Method of controlling air flow rate of fan | Haruo Katsumata, Takeshi Matsuya, Hitoshi Saitoh, Shigeru Yasuki, Yukio Sato +4 more | 1984-08-28 |