Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7482449 | Process for making spirolactone compounds | Ralph P. Volante, David M. Tschaen, Steven A. Weissman, Matthew Heileman, Toshiaki Mase +4 more | 2009-01-27 |
| 7439535 | Process for exchanging functional groups by halogen-metal exchange reaction | Toshihiro Wada, Toshiaki Mase | 2008-10-21 |
| 7368569 | Process for making spirolactone compounds | Ralph P. Volante, David M. Tschaen, Steven A. Weissman, Matthew Heileman, Toshiaki Mase +4 more | 2008-05-06 |
| 6946559 | Method of converting functional group through halogen-metal exchange reaction | Toshihiro Wada, Toshiaki Mase | 2005-09-20 |
| 6605720 | Process for making spirolactone compounds | Kenji Maeda, Shinji Kato, David M. Tschaen | 2003-08-12 |
| 6559299 | Preparation and isolation of indolocarbazole glycosides | Steven A. Weissman, David M. Tschaen, Asayuki Kamatani, Shouichi Hiraga, Masashi Kawasaki | 2003-05-06 |