Robert Choi
31Patents
22h-index
17Co-inventors
82Inventor score
Filing activity: Jul 30, 1986 → Dec 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5313187A | Battery-powered flashing superluminescent light emitting diode safety warning light | Emerging Cross-Sectional Technologies | 227 | Expired |
| US7533783B2 | Drink bottles with bite-actuated mouthpieces | Human Necessities | 170 | Active |
| US6675998B2 | Hydration system with improved fluid reservoir | Human Necessities | 116 | Expired |
| US6070767A | Personal hydration system with an improved mouthpiece | Performing Operations; Transporting | 101 | Expired |
| US5175528A | Double oscillator battery powered flashing superluminescent light emitting diode safety warning light | Emerging Cross-Sectional Technologies | 95 | Expired |
| US7073688B2 | Personal hydration system with component connectivity | Human Necessities | 86 | Expired |
| US6908015B2 | Personal hydration system with component connectivity | Human Necessities | 85 | Expired |
| US6032831A | Personal hydration system with an improved mouthpiece | Performing Operations; Transporting | 82 | Expired |
| US6497348B2 | Hydration system with improved fluid delivery system | Human Necessities | 82 | Expired |
| US6364168B1 | Personal hydration system with an improved mouthpiece | Performing Operations; Transporting | 68 | Expired |
| USD637527S1 | Bicycle frame | General | 55 | Expired |
| US5313188A | Battery-powered flashing superluminescent light emitting diode safety warning light | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5029198A | Telephone call responding system and control method and device therefor | Electricity | 43 | Expired |
| US8622237B2 | Drink bottles with bite-actuated mouthpieces | Human Necessities | 39 | Active |
| US8777048B2 | Drink bottles | Human Necessities | 36 | Active |
| US6820780B2 | Neck-supported fluid reservoir, hydration systems and pack assemblies including the same | Human Necessities | 33 | Expired |
| US4829492A | Depthfinder with color LCD display | Physics | 31 | Expired |
| USD340777S | Personal safety light | General | 28 | Expired |
| USD637526S1 | Bicycle frame | General | 23 | Expired |
| USD335195S | Bicycle helmet | General | 23 | Expired |
| US7070075B2 | Hydration system with improved fluid reservoir | Human Necessities | 23 | Expired |
| US7063243B2 | Hydration system with improved fluid reservoir | Human Necessities | 22 | Expired |
| US5436810A | Portable headlamp | Emerging Cross-Sectional Technologies | 19 | Expired |
| USD333041S | Bicycle seat with rear safety flasher light and reflector | General | 15 | Expired |
| US5641220A | Portable headlamp | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.