Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243581 | Stabilized polypropylene composition | Motonobu Minagawa, Mitsuo Akutsu, Hiroshi Fujiwara | 1981-01-06 |
| 4221700 | Stabilized polymer composition | Motomobu Minagawa, Mitsuo Akutsu, Hiroshi Fujiwara | 1980-09-09 |