Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364796 | Method and system for disposing pyrolysis gas | Yoshiaki Ishii, Naoyoshi Ando, Tsutomu Kume | 1982-12-21 |
| 4344373 | Method for pyrolyzing | Yoshiaki Ishii, Tsutomu Kume, Naoyoshi Ando | 1982-08-17 |