Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363644 | Filter for purifying exhaust gas | Susumu Sato, Yukihisa Takeuchi | 1982-12-14 |
| 4348226 | Direct reduction process for producing metallic iron | Mamoru Aoki, Kei Utsunomiya, Hironobu Sako, Dentaro Kaneko, Katsunori Shimazaki +1 more | 1982-09-07 |
| 4335574 | Carbon particles removing device | Susumu Sato, Yukihisa Takeuchi | 1982-06-22 |