Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9412749 | Three dimensional memory device having well contact pillar and method of making thereof | Seiji Shimabukuro, Ryoichi Honma, Hiroyuki Ogawa, Fumiaki Toyama | 2016-08-09 |
| 9224747 | Vertical NAND device with shared word line steps | Fumiaki Toyama | 2015-12-29 |