Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4554264 | Process for producing .alpha.-olefin polymers using novel catalyst system | Akinobu Shiga, Toshio Sasaki, Junpei Kojima | 1985-11-19 |
| 4514512 | Method for the production of solid titanium trichloride catalyst | Akinobu Shiga, Yukio Naito, Toshio Sasaki, Junpei Kojima, Hiroshi Yoshioka | 1985-04-30 |
| 4367322 | Process for producing propylene copolymer | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Yukio Naito, Masaharu Nishioka | 1983-01-04 |