Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283959 | System for drying moist sludge | Yoshikazu Nagayoshi, Hajime Nakajima | 1994-02-08 |
| 5081937 | System for treating waste material in a molten state | Takashi Ishida, Yoshikazu Ueda, Teruji Kubota, Norichika Tanaka, Yasuhiko Kamijo | 1992-01-21 |
| 5020455 | System for treating waste material in a molten state | Ishida Takashi, Yoshikazu Ueda, Teruji Kubota, Norichika Tanaka, Yasuhiko Kamijo | 1991-06-04 |