Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347221 | Catalytic converter | Isao Makino, Toshiyuki Mii, Kazumi Shima | 1982-08-31 |
| 4321234 | Chemical process and apparatus therefor | Kozo Ohsaki, Yukihiro Kobayasi, Hiroshi Watanabe | 1982-03-23 |