Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9793369 | MIS-type semiconductor device | Tohru Oka, Takahiro Sonoyama | 2017-10-17 |
| 9299567 | Manufacturing method of MIS-type semiconductor device, including heating a zirconium oxynitride (ZrON) layer | Takahiro Sonoyama, Toru Oka, Junya Nishii | 2016-03-29 |