Hongwei Mao
18Patents
6h-index
30Co-inventors
66Inventor score
Filing activity: Apr 22, 1999 → Mar 25, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6149278A | Wavelength independent variable optical attenuator | Physics | 15 | Expired |
| US6374032B1 | Variable optical attenuator | Physics | 10 | Expired |
| US6374009B1 | TEMC fiber based optical switch | Physics | 10 | Expired |
| US8867016B2 | Wavelength selective switch | Electricity | 7 | Active |
| US6697198B2 | Optical interleavers/deinterleavers | Physics | 6 | Expired |
| US7050671B1 | Tunable compensation of chromatic dispersion using etalons with tunable optical path length and non-tunable reflectivity | Physics | 6 | Expired |
| US9588299B2 | 2×2 wavelength selective switch array | Electricity | 4 | Active |
| US7031060B2 | Non-moving parts add/drop device | Electricity | 3 | Expired |
| US10620374B2 | Wavelength selective switch | Electricity | 1 | Active |
| US9696485B2 | Optical circulator array | Physics | 1 | Active |
| US9703124B2 | Faraday rotator mirror | Physics | 0 | Active |
| US11262124B2 | System for preparing deeply subcooled liquid oxygen based on mixing of liquid oxygen and liquid nitrogen and then vacuum-pumping | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8863826B2 | Top-mounted digital-control tower pumping unit | Fixed Constructions | 0 | Active |
| US9798081B2 | Optical circulator array | Physics | 0 | Active |
| US10094368B2 | Tower drive pumping unit | Fixed Constructions | 0 | Active |
| US9927577B2 | 2×2 wavelength selective switch array | Electricity | 0 | Active |
| US9927639B2 | Athermal Faraday rotator mirror | Physics | 0 | Active |
| US9234411B2 | Tower frame combined transmitting pumping unit without guiding wheels | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.