Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074728 | Semiconductor device | Toru Oka | 2018-09-11 |
| 10026808 | Semiconductor device including insulating film that includes negatively charged microcrystal | Tohru Oka, Kazuya Hasegawa, Noriaki Murakami, Nariaki Tanaka | 2018-07-17 |
| 9793369 | MIS-type semiconductor device | Tohru Oka, Kiyotaka Mizukami | 2017-10-17 |
| 9691846 | Semiconductor device including an insulating layer which includes negatively charged microcrystal | Tohru Oka, Kazuya Hasegawa, Noriaki Murakami, Nariaki Tanaka | 2017-06-27 |
| 9508822 | Semiconductor device | Toru Oka | 2016-11-29 |
| 9299567 | Manufacturing method of MIS-type semiconductor device, including heating a zirconium oxynitride (ZrON) layer | Kiyotaka Mizukami, Toru Oka, Junya Nishii | 2016-03-29 |