Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742132 | Process for the polymerization or copolymerization of ethylene | Hiroshi Morinaga, Shigeharu Yamamoto, Sakae Kamiyama | 1988-05-03 |
| 4657996 | Process for producing polyethylene | Masao Kawahara, Sakae Kamiyama, Terumi Sato | 1987-04-14 |
| 4464518 | Process for the polymerization or copolymerization of ethylene | Hiroshi Morinaga, Masao Kawahara, Sakae Kamiyama, Terumi Sato, Muneto Yokota | 1984-08-07 |
| 4357448 | Two step process for polymerizing ethylene | Kazumi Tsubaki, Hiroshi Morinaga, Yoshiho Matsuo | 1982-11-02 |
| 4223118 | Process for producing polyethylenes | Kazumi Tsubaki, Hiroshi Morinaga, Masao Kawahara | 1980-09-16 |