Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9443717 | Conveyance system and conveyance method | Hiroya Mitsushima | 2016-09-13 |
| 6187896 | Aromatic polycarbonate composition | Masayuki Nakajima, Katsushige Hayashi, Michio Kawai | 2001-02-13 |
| 5578694 | Process for producing aromatic polycarbonate | Masuzo Yokoyama, Masami Hasegawa, Yukiko Tatsukawa | 1996-11-26 |
| 5527875 | Process for producing aromatic polycarbonate | Masuzo Yokoyama, Fumio Keitoku, Masami Hasegawa, Yukiko Tatsukawa | 1996-06-18 |
| 5391691 | Process for producing aromatic polycarbonate | Masuzo Yokoyama, Kazuhide Takakura | 1995-02-21 |
| 5250655 | Melt preparation of polycarbonate with metal compound and p compound catalysts | Masuzo Yokoyama, Kazuhide Takakura | 1993-10-05 |