Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086131 | Process for production of polyethylene | Takeo Shimada, Shigekazu Hayashi, Yoshio Kobayashi, Yoshiteru Kageyama | 1992-02-04 |
| 4719270 | Process for production of polyethylene | Takeo Shimada, Shigekazu Hayashi, Yoshio Kobayashi, Yoshiteru Kageyama | 1988-01-12 |
| 4405774 | Ethylene copolymer | Takeo Shimada, Shigekazu Hayashi, Michito Ukita, Hideaki Nakagawa, Mitsuyuki Matsuura | 1983-09-20 |