Liu; Zhixiang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Zhixiang.The latest application filed is for "apparatus and method for detecting optimal focal plane of lithographic projection objective lens".
- Liu; Zhixiang - Chengdu CN
- Liu; Zhixiang - Shandong CN
- LIU; Zhixiang - Qingdao Shandong
- LIU; ZHIXIANG - TANGSHAN CN
- Liu; Zhixiang - Shenzhen CN
| Patent | Date |
|---|---|
| Apparatus and method for detecting optimal focal plane of lithographic projection objective lens Grant 10,976,670 - Xu , et al. April 13, 2 | 2021-04-13 |
| Apparatus And Method For Detecting Optimal Focal Plane Of Lithographic Projection Objective Lens App 20200225588 - XU; Jiajun ; et al. | 2020-07-16 |
| Track vehicle collision testing device and track vehicle collision testing method Grant 10,393,628 - Liu , et al. A | 2019-08-27 |
| Track Vehicle Collision Testing Device And Track Vehicle Collision Testing Method App 20170184473 - LIU; Zhixiang ; et al. | 2017-06-29 |
| Tramcar Power System And Method For Controlling The Same App 20170001538 - SUN; BANGCHENG ; et al. | 2017-01-05 |
| Parent-child Interactive Education System And Method App 20130149686 - Liu; Zhixiang ; et al. | 2013-06-13 |
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