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Patent applications and USPTO patent grants for Zheng; Chunning.The latest application filed is for "electron source regeneration method".
Patent | Date |
---|---|
Electron source operating method Grant 11,430,625 - Liu , et al. August 30, 2 | 2022-08-30 |
Method of manufacturing electron source Grant 11,373,836 - Wang , et al. June 28, 2 | 2022-06-28 |
Electron source regeneration method Grant 11,315,748 - Wang , et al. April 26, 2 | 2022-04-26 |
Electron Source Operating Method App 20210050172 - LIU; Huarong ;   et al. | 2021-02-18 |
Electron Source Regeneration Method App 20210050173 - WANG; Xuehui ;   et al. | 2021-02-18 |
Method Of Manufacturing Electron Source App 20210050176 - WANG; Xuehui ;   et al. | 2021-02-18 |
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