Liji Huang
51Patents
11h-index
42Co-inventors
78Inventor score
Filing activity: Apr 21, 1998 → Mar 18, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6556338B2 | MEMS based variable optical attenuator (MBVOA) | Physics | 93 | Expired |
| US6641932B1 | Magnetic thin film media with chromium capping layer | Emerging Cross-Sectional Technologies | 51 | Expired |
| US6120890A | Magnetic thin film medium comprising amorphous sealing layer for reduced lithium migration | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6620712B2 | Defined sacrifical region via ion implantation for micro-opto-electro-mechanical system (MOEMS) applications | Performing Operations; Transporting | 17 | Expired |
| US6117570A | Thin film medium with surface-oxidized NiAl seed layer | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6245417A | Magnetic recording medium comprising multilayered carbon-containing protective overcoats | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8342018B2 | High accuracy battery-operated MEMS mass flow meter | Physics | 13 | Active |
| US9109935B2 | MEMS utility meters with integrated mass flow sensors | Physics | 12 | Active |
| US6303214A | Magnetic recording medium with high density thin dual carbon overcoats | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7780343B2 | Micromachined gas and liquid concentration sensor and method of making the same | Physics | 12 | Active |
| US6565718B1 | Magnetic recording medium with high density, thin dual carbon overcoats | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7536908B2 | Micromachined thermal mass flow sensors and insertion type flow meters and manufacture methods | Physics | 11 | Expired |
| US7765679B2 | Method of manufacturing a flow rate sensor | Emerging Cross-Sectional Technologies | 9 | Active |
| US7797997B2 | Configuration and methods for manufacturing time-of-flight MEMS mass flow sensor | Physics | 9 | Active |
| US7878056B2 | Micromachined thermal mass flow sensor with self-cleaning capability and methods of making the same | Physics | 7 | Active |
| US7908096B2 | Integrated micromachined thermal mass flow sensor and methods of making the same | Physics | 7 | Active |
| US8994552B2 | MEMS utility meters with exchangeable metrology unit | Electricity | 6 | Active |
| US6572958B1 | Magnetic recording media comprising a silicon carbide corrosion barrier layer and a c-overcoat | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7752910B2 | Micromachined mass flow sensor and methods of making the same | Physics | 5 | Active |
| US8794082B2 | MEMS time-of-flight thermal mass flow meter | Physics | 5 | Active |
| US8132455B2 | Robust micromachined thermal mass flow sensor with double side passivated polyimide membrane | Physics | 3 | Active |
| US9784607B2 | Utility mass flow gas meter | Emerging Cross-Sectional Technologies | 3 | Active |
| US9752783B2 | Smart device for gas range | Mechanical Engineering; Lighting; Heating | 3 | Active |
| USD1032386S1 | MEMS mass flow controller | General | 2 | Active |
| US6509998B2 | Tunable multi-channel optical attenuator (TMCOA) | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.