Charles Hwang
85Patents
17h-index
77Co-inventors
87Inventor score
Filing activity: Mar 22, 1999 → Jul 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7047070B2 | Valved intradermal delivery device and method of intradermally delivering a substance to a patient | Human Necessities | 249 | Expired |
| US6780171B2 | Intradermal delivery device | Human Necessities | 136 | Expired |
| US7156838B2 | Intradermal delivery device | Human Necessities | 93 | Expired |
| US7837659B2 | Luer connector assembly | Human Necessities | 69 | Active |
| US7854723B2 | Needle shield assembly having hinged needle shield | Human Necessities | 69 | Active |
| US6053929A | Surgical scalpel | Human Necessities | 59 | Expired |
| US6626925B2 | Shielded surgical scalpel | Human Necessities | 56 | Expired |
| USD493526S1 | Syringe tip cap | General | 42 | Expired |
| USD829889S1 | Wearable drug delivery device with adhesive | General | 33 | Active |
| US7220249B2 | Hinged needle shield assembly having needle cannula lock | Human Necessities | 31 | Expired |
| US7112190B2 | Blood collection device | Human Necessities | 29 | Expired |
| USD470938S1 | Disposable scalpel | General | 28 | Expired |
| US7578805B2 | Blood collection device | Human Necessities | 25 | Expired |
| USD806232S1 | Drug delivery device with insertion mechanism | General | 24 | Active |
| US8827957B2 | Nighttime basal dosing device | Human Necessities | 20 | Active |
| US7537581B2 | Needle shield assembly having hinged needle shield and flexible cannula lock | Human Necessities | 20 | Active |
| USD475135S1 | Disposable scalpel | General | 18 | Expired |
| USD754843S1 | Infusion set assembly | General | 17 | Active |
| US10342918B2 | Subcutaneous infusion device | Human Necessities | 17 | Active |
| US8066679B2 | Single-handedly actuatable shield | Human Necessities | 17 | Active |
| USD754842S1 | Infusion set needle guard | General | 16 | Active |
| US10758721B2 | Infusion device with releasable fluid connector | Human Necessities | 16 | Active |
| USD878552S1 | Wearable drug delivery device | General | 14 | Active |
| USD465846S1 | Collapsible needle holder | General | 13 | Expired |
| USRE42507E1 | Surgical scalpel | General | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.