Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10580783 | Multi-tier three-dimensional memory device containing differential etch rate field oxides and method of making the same | Zhixin Cui, Hiroshi Minakata, Keigo Kitazawa | 2020-03-03 |
| 10192784 | Three-dimensional memory device containing self-aligned contact via structures and methods of manufacturing the same | Zhixin Cui, Hiroshi Minakata, Keigo Kitazawa | 2019-01-29 |
| 7390741 | Method for fabricating semiconductor device | Yukio Takigawa, Tamotsu Yamamoto, Takahiro Kono, Tsutomu Hosoda | 2008-06-24 |
| 5770260 | Process for forming silicon dioxide film | Shun-ichi Fukuyama, Daitei Shin, Yuki Komatsu, Hideki Harada, Yoshihiro Nakata +1 more | 1998-06-23 |