Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193503 | Ash melting furnace and ash melting method thereof | Takehiro Kitta, Masao Takuma, Hiroki Honda, Tetsuo Sato, Izuru Ishikawa +2 more | 2001-02-27 |
| 5051391 | Catalyst filter and method for manufacturing a catalyst filter for treating a combustion exhaust gas | Shigechika Tomisawa, Yukio Iida, Yuji Kaihara, Joji Tonomura, Kazuo Uoya +4 more | 1991-09-24 |