Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9305583 | Method for fabricating a magnetic writer using multiple etches of damascene materials | Jinqiu Zhang, Feng Liu, Ming Sun, Xiaotian Zhou | 2016-04-05 |
| 9280990 | Method for fabricating a magnetic writer using multiple etches | Jinqiu Zhang, Feng Liu, Ming Sun, Xiaotian Zhou | 2016-03-08 |
| 9263067 | Process for making PMR writer with constant side wall angle | Jinqiu Zhang, Feng Liu, Ming Jiang, Xiaotian Zhou, Zeyu Ma | 2016-02-16 |
| 8563146 | Method and system for providing a magnetic recording pole having a dual sidewall angle | Jinqiu Zhang, Ying Hong, Hai Sun, Hongping Yuan, Guanghong Luo +2 more | 2013-10-22 |