Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5606007 | Processes for preparing aromatic polycarbonates | Takeshi Sakashita, Tomoaki Shimoda, Hideyuki Itoi, Takashi Nagai | 1997-02-25 | $48,790,000 |
| 5187242 | Polycarbonate, polyestercarbonate resin compounds and preparing methods thereof | Takeshi Sakashita, Tomoaki Shimoda, Takashi Nagai | 1993-02-16 | $10,412,000 |