Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310792 | Thermoplastic resin composition and method for producing the same | — | 1994-05-10 |
| 5279115 | Device for detecting the degree of deterioration of a catalyst | Hiroshi Sawada | 1994-01-18 |