Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11171050 | Method for manufacturing a contact pad, method for manufacturing a semiconductor device using same, and semiconductor device | Koichi Yatsuda, Takashi Hayakawa, Takashi Tanaka | 2021-11-09 |
| 11004684 | Forming method of hard mask | Takeshi Nagao, Nobutaka Mizutani, Takashi Tanaka, Koichi Yatsuda, Kazutoshi Iwai +1 more | 2021-05-11 |