Magnetic levitation reaction sphere
US-10532832-B2 · Jan 14, 2020 · US
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Hu chuxiong patents
Hu chuxiong is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hu chuxiong |
| Total patents | 10 |
| First publication | Jan 8, 2015 |
| Latest publication | Jan 14, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Magnetic levitation reaction sphere
US-2018170581-A1 · Jun 21, 2018 · US
Six-degree-of-freedom displacement measurement method for exposure region on silicon wafer stage
US-9995569-B2 · Jun 12, 2018 · US
Six-degree-of-freedom displacement measurement method for exposure region on silicon wafer stage
US-2018080757-A1 · Mar 22, 2018 · US
Optical grating phase modulator for laser interference photoetching system
US-9869857-B2 · Jan 16, 2018 · US
Planar motor rotor displacement measuring device and its measuring method
US-9766054-B2 · Sep 19, 2017 · US
Negative stiffness system for gravity compensation of micropositioner
US-9752643-B2 · Sep 5, 2017 · US
Negative stiffness system for gravity compensation of micropositioner
US-2015369331-A1 · Dec 24, 2015 · US
Optical grating phase modulator for laser interference photoetching system
US-2015362723-A1 · Dec 17, 2015 · US
Planar motor rotor displacement measuring device and its measuring method
US-2015012242-A1 · Jan 8, 2015 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Tsinghua | 10 |
| Beijing U Prec Tech Co Ltd | 4 |
| Shanghai Microelectronics Equi | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G03F7/70758 | 4 |
| G03F7/70316 | 2 |
| G02B26/06 | 2 |
| G03F7/70408 | 2 |
| G03F7/20 | 2 |