Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804149 | Gas-cleaning equipment and its use | Hiroaki Ota, Takeshi Yanobe, Fujio Sakamoto, Yuji Hayashi | 1998-09-08 |
| 5492678 | Gas-cleaning equipment and its use | Hiroaki Ota, Takeshi Yanobe, Fujio Sakamoto, Yuji Hayashi | 1996-02-20 |