Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541862 | Semiconductor device including a plurality of interconnection layers, manufacturing method thereof and method of designing semiconductor circuit used in the manufacturing method | Hiroyuki Amishiro | 2003-04-01 |
| 6468857 | Method for forming a semiconductor device having a plurality of circuits parts | Hiroyuki Amishiro, Keiichi Higashitani | 2002-10-22 |
| 6299314 | Semiconductor device with electrical isolation means | Hiroyuki Amishiro, Keiichi Higashitani | 2001-10-09 |
| 6288447 | Semiconductor device including a plurality of interconnection layers | Hiroyuki Amishiro | 2001-09-11 |
| 6165878 | Method of manufacturing semiconductor device | Hideyo Haruhana, Keiichi Higashitani, Masao Sugiyama | 2000-12-26 |
| 6037630 | Semiconductor device with gate electrode portion and method of manufacturing the same | Hiroyuki Amishiro, Keiichi Higashitani | 2000-03-14 |