Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868226 | Process for producing filler-containing polypropylene resin composition | Hideo Shinonaga, Akio Daimon | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868226 | Process for producing filler-containing polypropylene resin composition | Hideo Shinonaga, Akio Daimon | 1989-09-19 |