Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201090 | Propylene/ethylene block copolymer | Takashi Sumitomo, Tsuyoshi Ota, Kazuo Sato | 2001-03-13 |
| 5332789 | Polypropylene block copolymer resin and compositions | Akira Tanaka, Masaru Nakagawa, Hideo Kusuyama, Tatsuya Housaki | 1994-07-26 |