Hung-Jen Chen
47Patents
7h-index
54Co-inventors
72Inventor score
Filing activity: Dec 13, 1993 → Sep 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD612368S1 | Double-band antenna | General | 143 | Expired |
| USD608354S1 | Double-band antenna | General | 20 | Expired |
| US5418996A | Shoe washing machine | Human Necessities | 14 | Expired |
| US7764246B2 | Wireless device and method for improving antenna characteristic of the wireless device | Electricity | 11 | Active |
| US7557759B2 | Integrated multi-band antenna | Electricity | 9 | Active |
| USD609224S1 | Antenna | General | 9 | Expired |
| US7466272B1 | Dual-band antenna | Electricity | 8 | Active |
| US8047780B2 | Assembled fan frame | Emerging Cross-Sectional Technologies | 7 | Active |
| US7965239B2 | Antenna structure | Electricity | 7 | Active |
| USD580917S1 | Antenna apparatus | General | 6 | Expired |
| USD555155S1 | Multi-band antenna | General | 6 | Expired |
| US6621915B1 | Method and system inspecting on-line cotton web homogeneity by digital image processing | Physics | 5 | Expired |
| US8231968B2 | Natural tourmaline anion fiber and filter and producing method | Emerging Cross-Sectional Technologies | 5 | Active |
| US8491825B2 | Process of making natural tourmaline fiber and filter | Emerging Cross-Sectional Technologies | 4 | Active |
| US7728783B2 | Antenna structure | Electricity | 3 | Active |
| US7619572B2 | Dual band antenna | Electricity | 3 | Active |
| US8687827B2 | Micro-electro-mechanical system microphone chip with expanded back chamber | Electricity | 3 | Active |
| US7304616B1 | Antenna structure of mobile phone | Electricity | 3 | Active |
| US9019158B2 | GNSS receiver and method for determining whether to switch from one operation state to another operation state according to state switching criterion and positioning information | Physics | 2 | Active |
| US7358903B1 | Triple-band embedded antenna | Electricity | 2 | Active |
| US7642972B1 | Antenna | Electricity | 2 | Active |
| US9778151B2 | Sample collection device and sample collection device array | Electricity | 2 | Active |
| US11115595B2 | Privacy-aware image encryption | Electricity | 1 | Active |
| USD1065508S1 | Nebulizer | General | 1 | Active |
| US7939165B2 | Protective sheet and method for manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.