Chong Ma
7Patents
2h-index
15Co-inventors
48Inventor score
Filing activity: Nov 12, 2002 → Jun 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6710197B1 | Method for the preparation of copper (meth) acryloyloxyethyl phosphate coordination complex | Chemistry; Metallurgy | 2 | Expired |
| US6737526B1 | Method for preparing melamine salt of bis-(pentaerythritol phosphate) phosphoric acid | Chemistry; Metallurgy | 2 | Expired |
| US6833467B2 | Method for preparing pentaerythritol phosphate alcohol by mechanochemical synthesis | Chemistry; Metallurgy | 1 | Expired |
| US7250509B1 | Method for preparing melamine salt of pentaerypolyol phosphoric acid | Chemistry; Metallurgy | 0 | Active |
| US11450511B2 | Methods and apparatus for zone control of RF bias for stress uniformity | Electricity | 0 | Active |
| US12249484B2 | Methods and apparatus for controlling radio frequency electrode impedances in process chambers | Electricity | 0 | Active |
| US12426716B2 | Folding sofa bed | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.