Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235865 | Phosphonium borate compound, making method, curing catalyst, and epoxy resin composition | Hisashi Shimizu, Toshio Shiobara | 2001-05-22 |
| 6084037 | Epoxy resin composition and semiconductor device | Hisashi Shimizu, Masachika Yoshino, Toshio Shiobara | 2000-07-04 |
| 5340851 | Thermosetting resin compositions | Toshio Shiobara, Hisashi Shimizu | 1994-08-23 |
| 5096762 | Semiconductor encapsulating epoxy resin compositions and semiconductor devices | Tetsuo Yoshida, Yoshio Fujimura | 1992-03-17 |
| 5002807 | Silicone composition for impregnating electric parts | Yoshio Fujimura, Tetsuo Yoshida | 1991-03-26 |