Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8785671 | 6,13-dihalogen-5,14-dihydropentacene derivative and method for producing 6,13-substituted-5,14-dihydropentacene derivative using same | Tamotsu Takahashi, Shi Li | 2014-07-22 |
| 8115197 | Organic semiconductor material, organic semiconductor thin film and organic semiconductor device | Takahiro Ohe, Noriyuki Kawashima, Tamotsu Takahashi | 2012-02-14 |
| 6197961 | Process for preparing acid salts of .gamma.-(piperidyl)butyric acid | Toshito Sakai, Masayo Nagaoka | 2001-03-06 |