Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407986 | Polypropylene composition | Manabu Nomura, Takayoshi Tanaka, Koichi Hara | 1983-10-04 |
| 4234469 | Flame retarding polyolefin resin blend composition | Yuzo Ohta, Osamu Isogai, Takahiro Hirai, Hidehiko Kaji | 1980-11-18 |