Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220625 | Exhaust gas control equipment | Kazuo Iwaoka | 1980-09-02 |
| 4195063 | Catalyst element for cleaning exhaust gases | Kazuo Iwaoka, Minoru Fukada | 1980-03-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220625 | Exhaust gas control equipment | Kazuo Iwaoka | 1980-09-02 |
| 4195063 | Catalyst element for cleaning exhaust gases | Kazuo Iwaoka, Minoru Fukada | 1980-03-25 |