Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635710 | Manufacturing method for polycarbonate | Kiyoshi Kono, Kazutoyo Uno, Tomoaki Shimoda | 2003-10-21 |
| 6455667 | Method for manufacturing polycarbonate | Takato Kimura, Takayoshi Anamizu, Tomoaki Shimoda | 2002-09-24 |
| 6139591 | Wafer separating and cleaning apparatus and process | Kenichi Nakaura, Daizo Miyanari | 2000-10-31 |
| 5886132 | Method for controlling the effective level of catalyst during the preparation of a polycarbonate polymer by transesterification | Godavarthi Satyanarayana Varadarajan, Tomoaki Shimoda, Akio Kanezawa | 1999-03-23 |